R.E.K. 3000

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
R.E.K. 3000
  • R.E.K. 3000 item sprite
Stack digit 1.png
TooltipDisplays number of monsters, kill count, and rare creatures
RarityRarity level: 3
Sell3 GC
Research1 required
  • Internal Item ID: 3122 (Desktop, Console and Mobile versions)

The R.E.K. 3000 is a post-Skeletron informational accessory which provides information about the number of nearby enemies, the player's enemy kill count, and nearby rare creatures. It combines the functionalities of its ingredients, the Radar, Tally Counter, and Lifeform Analyzer.



ResultIngredientsCrafting station
R.E.K. 3000R.E.K. 3000(Desktop, Console and Mobile versions)Tinkerer's WorkshopTinkerer's Workshop

Used in

ResultIngredientsCrafting station
PDAPDA(Desktop, Console and Mobile versions)
  • GPSGPS(Desktop, Console, Old-gen console and Mobile versions)
  • Fish FinderFish Finder(Desktop, Console and Mobile versions)
  • Goblin TechGoblin Tech(Desktop, Console and Mobile versions)
  • R.E.K. 3000R.E.K. 3000(Desktop, Console and Mobile versions)
Tinkerer's WorkshopTinkerer's Workshop


  • Unlike most accessories, informational accessories such as the R.E.K. 3000 do not need to be equipped in an accessory slot. The R.E.K. 3000 may be carried in the player's inventory without loss of functionality, unless equipped to a social slot. Additionally, the info it provides will be shared with players of the same team in multiplayer that are within 50 tiles. Keep in mind modifiers will no longer apply to the player when not equipped.
  • In a drunk world, it is possible to get the R.E.K. 3000 before defeating Skeletron.



  • R.E.K. may stand for the words Rares, Enemies, and Kills, the three displayed functions of this item.
  • It is possible that the R.E.K. 3000 is a reference to the Garden of Eden Creation Kit, commonly abbreviated as "G.E.C.K.", and the Pip-Boy 3000 from the post-apocalyptic role-playing video games series Fallout.