Biomes

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Biomes are the different types of areas that any Terraria world can contain. Every biome has its own characteristic terrain blocks, walls, collectible items, backgrounds, enemies, critters, theme music, Angler quest fish, and other features.

Spanning the world's ceiling is the Space biome. Biomes on the Surface layer include Forests, Deserts, the Snow biome, the Jungle, the Dungeon, the Evil biome (either the Corruption or the Crimson), and at the far ends of the world, the two Oceans. These Surface biomes extend into the Underground layer.

Going any deeper, the player will find unique subterranean variants of most of these. These include the Underground Desert, Ice biome, and Underground Jungle. The Glowing Mushroom biome also appears in the Cavern layer, and the Underworld spans the entire bottom of the world.

Once Hardmode is activated, a few new biomes form. The world's evil biome roots deeper with the Underground Corruption/Crimson, and the Hallow and Underground Hallow form as well.

The Corruption, Crimson, and Hallow are all "contagious" biomes which spread to certain adjacent tiles. In pre-Hardmode, these biomes will only overtake other biomes via grasses, but once Hardmode begins all three biomes can spread directly through most soil blocks, vines, and thorny bushes.

Space

BiomeBannerSpace.png

Space is the layer that appears at the top of the world. The sky is dark, and even if the sun is still up, the stars are visible. Gravity is decreased in Space. Harpies spawn here from the start of the game, and Wyverns, Arch Wyverns(Old-gen console and 3DS versions), and Martian Probes(Desktop, Console and Mobile versions) during Hardmode.

Surface and Underground

Below Space are the Surface and Underground layers, separated by the 0 feet line. Biomes usually span both of these layers, and their actual "underground" versions do not begin until the depths of the Cavern layer.

Forest

BiomeBannerForest.png

Forests are the most common surface biomes, and are where the player usually spawns upon starting a new world. Green grass grows across the dirt, which can spawn Mushrooms, Dayblooms, and trees. Forests appear whenever no other biome is valid.

Snow biome

BiomeBannerSnow.png

The Snow biome is a winter-themed biome predominately made of Snow and Ice Blocks. Snow falls constantly, though this is only an aesthetic effect. Relative to the world's horizontal center, the Snow biome is always located on the same side as the Dungeon and on the opposite side of the Jungle.[1]

Desert

BiomeBannerDesert.png

Deserts are large expanses of Sand. Their vegetation is comparatively sparse, consisting solely of Cacti.

Corruption and Crimson

BiomeBannerCorruption.png
BiomeBannerCrimson.png

A world will always generate with an evil biome – either Crimson or Corruption, but never both (unless in drunk worlds(Desktop, Console and Mobile versions)). There is a 1/2 (50%) chance of either of the evil biomes generating, (Desktop, Console and Mobile versions) although it can be selected manually upon world creation. The evil biomes are hazardous biomes with mostly analogous contents:

Jungle

BiomeBannerJungle.png

The Jungle is composed of Jungle grass, vines, Mud, Bamboo and Mahogany trees. The sky appears a vibrant green color. Mahogany trees regrow automatically without the need to plant Acorns. Relative to the horizontal center of the world, the Jungle is always located on the opposite side of the Snow biome and the Dungeon,[1] and the same side as the Underground Desert.

Dungeon

BiomeBannerDungeon.png

The Dungeon is a labyrinth leading from the Surface down to near-Underworld depths. The Old Man stands at the entrance, and using him to defeat Skeletron is required to gain access to the inside. Heading below 0 feet in the Dungeon without defeating Skeletron spawns one or more Dungeon Guardians, which have enormous defense and are capable of one-hitting even endgame players. The loot found in the Dungeon is rare, valuable, and much of it cannot be found elsewhere. Relative to the world's horizontal center, the Dungeon is always located on the same side as the Snow biome and on the opposite side of the Jungle.[1]

Ocean

BiomeBannerOcean.png

Oceans consist of a sandy shore against a deep body of water where dangerous swimming enemies are found and Water Chests which contain ocean-themed loot. They are always located on both horizontal edges of the world. Duke Fishron can be summoned here with a Truffle Worm. The Magic Conch(Desktop, Console and Mobile versions) can be used to teleport the player to an Ocean.

Glowing Mushroom biome

BiomeBannerMushroom.png

The surface version of the Glowing Mushroom biome does not occur naturally, and can only be cultivated by players using Mushroom Grass Seeds or an imported Clentaminator with Dark Blue Solution on surface-level Mud Blocks.

Cavern

The Cavern layer marks the beginning of distinct underground biome variants, with separate characteristics from their surface versions.

Ice biome

BiomeBannerUndergroundSnow.png

The Ice biome is the Cavern layer's more dangerous portion of the Snow biome and is located beneath the surface part. Many ledges and bodies of water will have a layer of Thin Ice over them, and while these can support the player's weight they can break when landing on them with high enough speed. Frozen Chests contain ice-themed equipment.

Underground Desert(Desktop, Console and Mobile versions)

BiomeBannerUndergroundDesert.png

The Underground Desert is located beneath the surface Desert. The biome always has either a circular or an oval shape and contains various types of Antlions as well as Hardmode enemies themed after ancient Egypt.

Underground Jungle

BiomeBannerUndergroundJungle.png

The Underground Jungle is located beneath the surface Jungle. Its dense catacomb of compartments contain several hazards and dense vegetation. In Hardmode, the valuable Chlorophyte Ore can be mined here. Three bosses can be fought in this biome: An Underground Jungle always contains several Bee Hives, where the Queen Bee boss is usually summoned. After the mechanical bosses have been defeated, Plantera's Bulbs spawn, allowing the player to summon Plantera. The Jungle Temple is also located within the Underground Jungle, where the Golem boss can be summoned after Plantera is defeated.

Underground Mushroom

BiomeBannerUndergroundMushroom.webp

Underground Glowing Mushroom biomes feature Glowing Mushrooms on top of Mud Blocks, and if there is enough height in the cavern, Giant Glowing Mushrooms can grow as well. They are the only place where Truffle Worms can be obtained.

Underworld

BiomeBannerUnderworld.png

The Underworld spans the entire bottom of the world. Lava pools cover much of its terrain and dangerous enemies spawn frequently. Hellstone can be mined here, Ruined Houses offer valuable loot (some within their Shadow Chests), and unique furniture, and the Wall of Flesh boss can be summoned here in order to activate Hardmode. In Hardmode, the Tortured Soul(Desktop, Console and Mobile versions) spawns in the Underworld, which can be converted to the Tax Collector(Desktop, Console and Mobile versions) NPC using Purification Powder.

Hardmode

Hardmode biomes spawn or convert as a result of the game transitioning to Hardmode.

The Hallow

BiomeBannerHallow.png

The Hallow can be considered the counterpart to the evil biome. It is automatically created once the player activates Hardmode by defeating the Wall of Flesh, and has pastel-colored fairy-tale imagery.

Underground Hallow

BiomeBannerUndergroundHallow.png

The Underground Hallow is located beneath the surface Hallow, starting at the Cavern layer. It has a different soundtrack from the surface Hallow, and contains different enemies as well as valuable items, such as Souls of Light and Crystal Shards.

Underground Corruption

BiomeBannerUndergroundCorruption.png

The Underground Corruption is created in the Cavern layer upon defeating the Wall of Flesh. It is not necessarily located beneath pre-Hardmode surface Corruption biomes. While it shares the theme with the surface Corruption, it has different enemies and a different soundtrack (a mix of the regular Underground and Corruption soundtrack). It is the only place where enemies drop Cursed Flames. It and the Underground Crimson are the only places to obtain Souls of Night, which are occasionally dropped by all enemies.

Underground Crimson

BiomeBannerUndergroundCrimson.png

The Underground Crimson is the alternative to the Underground Corruption, which functions and generates in mostly the same way. The Underground Crimson, like the Corruption variant, will have enemies occasionally drop Souls of Night. It is the only place where enemies drop Ichor.

Corrupted, Crimson, and Hallowed Desert

When the world enters Hardmode, several Deserts of the world will become either Corrupted, Crimsoned, or Hallowed. These spawn unique versions of the Mummy and Sand Shark(Desktop, Console and Mobile versions) with unique drops. Sand is replaced by Ebonsand, Crimsand, or Pearlsand. It is possible for a pre-Hardmode world to be generated with a Corrupted or Crimson Desert.

Corrupted, Crimson, and Hallowed Ice

When the world enters Hardmode, the Corruption, Crimson, and Hallow can spread through the Ice biome, generating Purple, Red, and Pink Ice Blocks, respectively. Pigrons of the respective color start to spawn in these areas.

Mini-biomes

Biomes in this category tend to be small in size, but some make up for it with large numbers. They generally have unique characteristics and enemy or critter spawns, but usually have neither unique backgrounds nor music.

Oasis(Desktop, Console and Mobile versions)

BiomeBannerOasis.png

The Oasis is a mini-biome that spawns in the Desert. It consists of palm trees surrounding a pool of water where cattail plants grow, attracting Dragonflies. If the player places enough water in the Desert, it will become an Oasis.

Granite Cave(Desktop, Console and Mobile versions)

BiomeBannerGranite.png

Granite Caves are cave areas made completely of Granite Blocks, usually fairly spacious with interspersed ledges and platforms. They contain granite-themed enemies such as Granite Elementals and Granite Golems.

Marble Cave(Desktop, Console and Mobile versions)

BiomeBannerMarble.png

Marble Caves are cave areas that are horizontal in shape and made completely out of Marble Blocks. They contain ancient-Greek-themed enemies such as Hoplites and Medusas.

Spider Nest

BiomeBannerSpiderNest.png

Spider Nests are characterized by black background walls and numerous webs filling the area. This mini-biome will spawn Wall Creepers in pre-Hardmode and Black Recluses during Hardmode. The Cobwebs rapidly grow back, which is a unique feature of the biome. Spider Nests are the only location where Web Covered Chests are found, and therefore the only place to obtain a Web Slinger. The Stylist NPC is found in this mini-biome.

Bee Hive

BiomeBannerHive.png

Bee Hives are located in the Underground Jungle. They are made from Hive blocks and contain honey and often a Larva. Destroying the Larva summons the Queen Bee boss. Breaking a Hive block may spawn a Bee and/or some honey.

Glowing moss biome(Desktop, Console and Mobile versions)

BiomeBannerGlowingMoss.png

Glowing moss biomes are located in the Caverns layer of the world, but never under the spawn area. Within them, almost every exposed Stone Block is covered in glowing moss. The glowing moss can be any variant other than Helium Moss. Every instance of the biome in a single world will use the same moss variant. This mini-biome is much larger than the Moss chamber. There can be up to 2, 3, or 4 instances of this biome, depending on world size, though there is no guarantee that any are generated. There are no unique enemies in glowing moss biomes.

Ash forest(Desktop, Console and Mobile versions)

BiomeBannerAshForest.webp

Ash forests are barren, fiery-looking forests located on the edges of the Underworld. They feature Ash trees growing on Ash grass. There are always exactly 2 ash forests, which fully occupy the leftmost & rightmost sixths of the Underworld. They are the only significant vegetation in the Underworld. There are no unique enemies in ash forests.

Jungle Temple

BiomeBannerJungleTemple.png

The Jungle Temple is a large, nearly impenetrable structure that spawns deep in the Underground Jungle. It is filled with powerful enemies and is generally only accessible after defeating Plantera, using the Temple Key she drops to open the door. In the largest chamber, there is a Lihzahrd Altar to spawn Golem with a Lihzahrd Power Cell.

Meteorite

BiomeBannerMeteor.png

The Meteorite biome is sometimes generated after the player (Desktop, Console and Mobile versions) defeats the Eater of Worlds or Brain of Cthulhu / (Old-gen console and 3DS versions) breaks a Shadow Orb or Crimson Heart. There is a 1/2 (50%) chance that within the next day at midnight the game will spawn a Meteorite, converting an area of the Surface into a crater with three layers. Blocks in the innermost area will be deleted without dropping anything; surrounding this, all blocks around the empty area will be converted into Meteorite ore; and in a much larger radius outside this mass of ore, only occasional blocks similarly converted. Meteorite ore will afflict the player with the Burning debuff on contact, unless they either have an accessory to nullify its effects, or are under the effect of an Obsidian Skin Potion. Mining Meteorite requires 50% pickaxe power, i.e. a Tungsten Pickaxe, Gold Pickaxe, or better is mandatory. Meteor Heads (Nintendo 3DS version and, in Hardmode, Lava Bats) override all native enemies of the biome the meteor crashed into.

Town(Desktop, Console and Mobile versions)

BiomeBannerTown.png

A Town is a player-created mini-biome that can be made by having three or more NPCs in close proximity. In Normal mode, they negate enemy spawn rates entirely; even in Expert and Master mode they will sharply reduce enemy spawns. However, enemy spawns are not affected when an event is occurring.

Graveyard(Desktop, Console and Mobile versions)

BiomeBannerGraveyard.png

Graveyards appear around large clusters of Tombstones. They generate Ecto Mist and spawn enemies such as Ravens, Ghosts and Maggot Zombies, as well as spawn the typical nighttime enemies, even during the day. These are not generated with the world, but are produced by the player(s)... not always on purpose!

Aether(Desktop, Console and Mobile versions)

BiomeBannerAether.png

The Aether is a mini-biome that generates in the outermost edges of the world in either the Underground or Cavern layers. Only a single Aether biome can be generated per world, always being located on the same side as the Jungle. The main feature of this biome is a large pool of Shimmer found in its center, which is surrounded by various Gem Trees. Faelings can sometimes be found flying around the center pool.

Micro-biomes

These biomes have unique tiles or structures, but are very small and have no other exclusive properties.

Flower patch(Desktop, Console and Mobile versions)

Flower Patch.png

Flower patches are small patches of Surface ground densely populated by flowers.

Stone patch

Stone Patch.png

Stone patches are small patches of ground made of stone found at the surface, consisting of Stone Blocks with matching ambient objects on the top.

Large ore vein(Desktop, Console and Mobile versions)

Large Ore Vein.png

Large ore veins are located at the surface layer and consist of a large vein of Copper/Tin or Iron/Lead Ore buried near the ground, with a few ore blocks above it.

Moss chamber

Moss Chamber.jpg

Moss chambers are very small chambers located in the Underground and Cavern layers that contain one color of moss with a matching back wall.

Gemstone cave

Diamond chamber.png

Gemstone caves are filled with concentrated gem deposits of one or more varieties and feature a unique background (a gemstone wall) that is speckled with gems of the same color found in the gemstone cave.

Thin Ice patch(Desktop, Console and Mobile versions)

Thin ice patch.png

Thin Ice patches are micro-biomes found in the Ice biome that are made entirely of Thin Ice and occasional ore veins.

Treasure rooms

Treasure rooms are spawned upon world creation and appear as if they were man-made structures. They generally contain loot and furniture.

Underground Cabin

Ice Chest Terraria.png

Underground Cabins are found in the Cavern layer. They are typically wooden buildings full of dusty, broken furniture as well as Chests, vases, and occasionally usable furniture and decorations. On the Desktop version Desktop version, Console version Console version, and Mobile version Mobile version, Underground Cabins spawn with blocks representing their biome.

If the player patches the holes in the walls and fulfills all NPC requirements, NPCs can move in.

Living Tree

BiomeBannerLivingTree.png

Living Trees are huge, thick trees consisting of foreground blocks (as opposed to regular background trees). Cutting the tree yields regular Wood, while the leaves yield nothing. Some Living Trees can be hollow and lead deep underground. There may be rooms containing Living Wood Chests with related loot inside, as well as Living Wood furniture. It is not guaranteed that one will spawn in every world. In 1.4, Gnomes spawn in hollow Living Trees.

Floating Island

BiomeBannerFloatingIsland.png

Floating Islands are independent masses of land in the sky. They contain a Skyware Chest with valuable loot like the Starfury sword, the Shiny Red Balloon, the Lucky Horseshoe, (Desktop, Console and Mobile versions) or the Fledgling Wings. Deposits of ore can be found sometimes as well. Depending on world size, there are between two and nine Floating Islands in a world.

Floating Lakes(Desktop, Console and Mobile versions) are a variation of Floating Islands and do not contain a Skyware Chest, but instead contain a lake for fishing in.

Living Mahogany Tree

Living Mahogany Tree.png

Living Mahogany Trees are large trees generated in the Underground Jungle. Cutting the tree yields Rich Mahogany wood, while the leaves yield nothing. They always have a hollow trunk, which contains an Ivy Chest.

Jungle Shrine

Shrine.png

Jungle Shrines are small brick buildings and typically contain only a single Ivy Chest and a light source. They are found in the Underground Jungle and several can appear in one biome.

Ruined House

Ruined House.png

Ruined Houses are generated upon world creation in The Underworld in the middle 50% of the Underworld. They are towers with multiple levels, constructed with missing parts for a "ruined" look, from Obsidian Brick or Hellstone Brick. They are sometimes partially submerged in lava and there are often deposits of Hellstone just outside their walls.

Pyramid

Pyramid.png

Pyramids are rarely generated in the Desert upon world creation. They are made of Sandstone Bricks and contain a narrow passage. The treasure room is filled with Coin Stashes, vases and a Gold Chest that can contain unique loot. There is also a passage to a cave at the bottom.

Enchanted Sword Shrine(Desktop, Console and Mobile versions)

BiomeBannerEnchantedSwordShrine.png

Enchanted Sword Shrines house a breakable background sword sprite, which has a 1/50 (2%) chance of dropping a Terragrim, and a 49/50 (98%) chance of dropping an Enchanted Sword when destroyed.

Mosaic(Desktop, Console and Mobile versions)

Mosaic.png

Mosaics are found in the Underground and Cavern layers, consisting of a small room with tiles randomly set inside, with a pile of gold coins in it.

Campsite(Desktop, Console and Mobile versions)

Campsite.png

Campsites are found in the Underground and Cavern layers, usually containing a Campfire, a few Silver / (Desktop, Console and Mobile versions) Gold Coin Piles, and a background object of skeletal remains. The campsite is 12–20 blocks wide, and not quite as tall.

Other biomes

These biomes do not fit into any of the above categories.

Abandoned Minecart Track

Abandoned Minecart Track.png

Abandoned Minecart Tracks are found in the Underground & Cavern layers. They are long, continuous paths of Minecart Tracks which always have enough space for the player to ride to the end unhindered and often connect multiple larger cave systems. The length and number of Abandoned Minecart Tracks found in a world is proportional to its size, see World size for a detailed comparison. On the Desktop version Desktop version, Console version Console version, and Mobile version Mobile version, some Abandoned Minecart Tracks generate extra-long, roughly 3 times longer than standard tracks and can span across multiple biomes.

Note that the journey is not guaranteed to be safe. While riding, the player is likely to bump into enemies, and the tracks may also lead through liquids including lava. On the Desktop version Desktop version, Console version Console version, and Mobile version Mobile version, there may also be Pressure Plate Track Traps.

Removed biomes

The following two biomes were exclusive to the Mobile version Mobile version, and were removed in the Mobile 1.3.0.7 update.

Heart Shrine

Heart Shrine.png

Heart Shrines were heart-shaped caves sometimes found in Snow biomes. They held two Crystal Hearts and a Chest that contained heart-themed items for the Valentine's Day celebration event.

Jungle Sanctum

Jungle Sanctum.png

A Jungle Sanctum was a structure that occasionally appeared in the Jungle. Jungle Sanctums were larger versions of Jungle Shrines and contained Coin Stashes, along with an Ivy Chest that contained several Jungle-themed items.

Hybrid biomes

Although many basic biomes appear at the world generation or are triggered by events, hybrid biomes may be synthesized by world mechanics or through player action.

Hybrid biomes are those created by the requirements being met for multiple biomes in a certain area. The simplest examples are Hallowed, Crimson, and Corrupted Deserts; however, not only Deserts can be hybridized. Floating Islands can be Corrupted/Crimsoned or Hallowed upon entry of Hardmode, and such high-layered biomes are even required by some Angler quests. Player action can similarly introduce Corruption, Crimson, Hallow, Desert, Jungle, Mushroom, Meteorite, or Snow biomes to any location from Underworld to Space. This can lead to, for example in an Underworld Crimson, Underworld and Crimson enemies both spawning in the applicable areas.

Biome existence requirements

The area used for counting required tiles for the existence of biomes at a location appears to be (Desktop, Console and Mobile versions) 85 / (Old-gen console and 3DS versions) 50 tiles to each side and approximately (Desktop, Console and Mobile versions) 61 / (Old-gen console and 3DS versions) 42 below and (Desktop, Console and Mobile versions) 64 / (Old-gen console and 3DS versions) 44 above, from the location of the player. In the following table, the "Compatible biomes" column lists the biomes which can co-exist in the same general location, and has nothing to do with spreading mechanics.

Name Tile and location requirements[2][3] Compatible biomes
Forest Above the Underworld. Space, Surface, Underground, Cavern, Ocean
Graveyard(Desktop, Console and Mobile versions) At least 5 TombstoneTombstones for basic biome, 7 Tombstones for all features. An additional Tombstone is required for each nearby Sunflower. Not Underground, Cavern, Underworld, Meteorite or Dungeon
Corruption At least (Desktop, Console and Mobile versions) 300 / (Old-gen console and 3DS versions) 200 tiles of the following:

Each Sunflower increases the requirement by (Desktop, Console and Mobile versions) 80 / (Old-gen console and 3DS versions) 5, and each Hallow tile increases the requirement by 1.

Not Forest, Meteorite or Hallow
Crimson At least (Desktop, Console and Mobile versions) 300 / (Old-gen console and 3DS versions) 200 tiles of the following:

Each Sunflower increases the requirement by (Desktop, Console and Mobile versions) 80 / (Old-gen console and 3DS versions) 5, and each Hallow tile increases the requirement by 1.

  • Unlike the Corruption and Hallow, the small plants that grow in the Crimson do not contribute towards its tile count requirement.
Not Forest, Meteorite or Hallow
Mushroom At least 100 of the following: Not Forest or Meteorite
Jungle At least (Desktop, Console and Mobile versions) 140 / (Old-gen console and 3DS versions) 80 of the following: Not Forest or Meteorite
Hallow At least (Desktop, Console and Mobile versions) 125 / (Old-gen console and 3DS versions) 100 of the following:

Each Corruption or Crimson tile increases the requirement by 1.

Not Forest, Meteorite, Corruption or Crimson
Desert At least (Desktop, Console and Mobile versions) 1,500 / (Old-gen console and 3DS versions) 1,000 of the following: Not Forest or Meteorite
Ocean At least 1,000 tiles of WaterWater.

The lateral location must be within 338 tiles (676 feet)[4][5] from either edge of the map. The vertical location must be above roughly the (Desktop, Console and Mobile versions) midpoint[5] / (3DS version) start[6] of the Underground layer.

Not Meteorite, Corrupt Desert, Crimson Desert, or Hallowed Desert
Snow At least (Desktop, Console and Mobile versions) 1,500 / (Old-gen console and 3DS versions) 300 of the following: Not Meteorite or Desert
Meteorite At least (Desktop, Console and Mobile versions) 75 / (Old-gen console and 3DS versions) 50 tiles of MeteoriteMeteorite Any
Dungeon At least 250 Dungeon BrickDungeon BrickDungeon BrickDungeon Bricks (regular or cracked(Desktop, Console and Mobile versions)) and any unsafe Dungeon Brick WallDungeon Brick WallDungeon Brick WallDungeon Brick Wall[7] below −4 feet. None

Notes

  • For Hallowed and Crimson/Corruption biome detection: There is a Hallowed value, a Crimson value, and a Corruption value. Each Hallowed tile adds 1 to the Hallowed value and subtracts 1 from both the Crimson and Corruption values. Each Crimson tile adds 1 to the Crimson value and subtracts 1 from the Hallowed value. Each Corruption tile adds 1 to the Corruption value and subtracts 1 from the Hallowed value. This can be proven by placing 125 Hallowed tiles in an otherwise completely neutral area, observing that the area will change to Hallowed on placement of the 125th tile, then that it will return to neutral on placement of a Crimson or Corruption tile, then back to Hallowed on placement of an additional Hallowed tile, ad infinitum.
  • For Snow biome detection: While the area functionally changes to a Snow biome at 1,500 related tiles, the background of a Snow biome will not appear until 1,501 Snow biome tiles are present.
  • For Glowing Mushroom biome detection: While the area functionally changes to a Glowing Mushroom biome at 101 related tiles, the background of a Glowing Mushroom biome will not appear until 201 Glowing Mushroom biome tiles are present. The Funkytown achievement requires 200 Glowing Mushroom biome tiles.
  • For Dungeon biome detection: The game checks the number of Dungeon tiles (≥250), and checks only the single background wall the player is standing in front of.
  • Inactive tiles (actuated tiles) will count towards the formation of a biome.

Trivia

  • There were originally supposed to be alternative biomes for the Jungle, Underworld, and Hallow called Swamp, Hell, and Candyland, respectively, which would have replaced the original biomes in the same way the Crimson occasionally replaces the Corruption. The Hell was going to be based on the Hell from the 1997 American animated musical fantasy movie Hercules. However, these ideas were scrapped as the developers changed direction.[8][9]
  • (Desktop, Console and Mobile versions) If a supported RGB keyboard and/or mouse is detected, the colors will change depending on the biome the player is in.
  • In a drunk world seed, world generation of Ruined Houses is altered in that they only spawn in the outer thirds of the Underworld instead of the inner half. This causes a large ocean of lava to be generated in the middle of the Underworld.

History

  • Desktop 1.4.0.1:
    • Added the Oasis, Graveyard, glowing moss, and Town mini-biomes.
    • Added the flower patch, stone patch, large ore vein, and mosaic micro-biomes.
    • Campsite micro-biomes can now generate with Gold Coin Piles in place of Silver Coin Piles.
    • Number of tiles required to generate a biome increased for most biomes.
    • Horizontal scan distance for determining biomes increased to 85 tiles.
    • Vertical scan distance for determining biomes increased to 61 tiles below, and 64 tiles above.
  • Desktop 1.3.0.1:
    • Added the Underground Desert.
    • Added the Marble and Granite mini-biomes.
    • Added the Thin Ice patch micro-biome.
    • Added the Enchanted Sword Shrine and Living Mahogany Tree.
    • Added Abandoned Minecart Tracks.
  • Desktop 1.2:
    • Added the Crimson, Underground Crimson, and Ice biome.
    • Added the Bee Hive, Jungle Temple, and Spider Nest mini-biomes.
    • Added the gemstone cave and moss chamber micro-biomes.
    • Added the Living Tree and Pyramid.
  • Desktop 1.1:
    • Added the Hallow, Underground Hallow, and Underground Corruption.
    • Added the Underground Cabin.

References

  1. 1.0 1.1 1.2 Information taken from the Desktop version Desktop 1.4.2.3 source code, method GenerateWorld() in Terraria.WorldGen.cs. The relevant world generation pass is called "Reset". There may be inaccuracies, as the current Desktop version Desktop version is 1.4.4.9.
  2. Information taken from the Desktop version Desktop 1.4.4.9 source code, methods UpdateBiomes() in Terraria.Player.cs and ExportTileCountsToMain() in Terraria.SceneMetrics.cs.
  3. Information taken from the Desktop version Desktop 1.3.5.3 source code, methods UpdateBiomes() in Terraria.Player.cs and PreRenderPhase() in Terraria.Lighting.cs.
  4. Players cannot come within 41 tiles from the absolute edge of the map. Thus, from a player's perspective, the oceans end roughly 338 tiles (686 feet) from either lateral end, but technically they actually end 380 tiles (760 feet) from either end. Information taken from the Desktop version Desktop 1.4.0.5 source code, method BordersMovement() in Terraria.Player.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.4.9.
  5. 5.0 5.1 Information taken from the Desktop version Desktop 1.4.0.5 source code, method oceanDepths() in Terraria.WorldGen.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.4.9.
  6. On Desktop version Desktop, Console version Console, and Mobile version Mobile, the Ocean vertically ends at a point 40 tiles (80 feet) deeper than the middle of the Underground layer. On 3DSNintendo 3DS version, the Ocean vertically ends at a point 10 tiles (20 feet) deeper than the start of the Underground layer – i.e. ending at a depth of approximately 23 feet, as shown by a Depth Meter.
  7. On Old-gen console version Old-gen console and 3DSNintendo 3DS version versions, the requirement for unsafe (naturally placed) walls makes a artificial Dungeon biome nearly impossible and, if accomplished, it would be unable to spawn Hardmode Dungeon enemies or Cursed Skulls (as they require naturally-placed Dungeon Brick Walls). It appears that the only option for expanding the space in which Hardmode Dungeon enemies can spawn is by mining blocks already inside the area in which the Dungeon originally generated, without damaging any naturally-placed walls they are covering. On Desktop version Desktop, Console version Console, and Mobile version Mobile versions, the Cursed Dungeon Brick Walls, obtained via Shimmer, allow placing unsafe walls.
  8. Cenx: "We had several biomes we started designing that were scrapped as we changed direction. Before the Jungle became the massive beast it is today Jimmarn had started designing sprites for a Swamp Alternative. We also had concepts for a Candyland version of the Hallow and ideas for a Hell alternative based on the color schemes from the Hell in Disney's Hercules."
    Terraria's 8th Anniversary - Ask Redigit and Cenx! May 20, 2019
  9. Terraria's 10th Anniversary: We are Re-Logic, Ask Us Anything! May 17, 2021