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1WEEK

Also known as 1, 1WEEK, 1week

1WEEK is a PvE sandbox in which you'll live in a post-apocalyptic world of exploration and survival in the underground by looting, building, crafting, farming, and fighting. Be self-sufficient before your week’s supplies run out.

Last update
7 Aug 2026
Players now
1

Latest update

Security

v1.51WEEK 1.5 — The Survival Rework

1WEEK 1.5 is not a regular update. Over the last months, large parts of the game have been reworked to make 1WEEK faster to understand, smoother to play, and much more enjoyable from the very beginning. The tutorial has…

64 changesFixGameplayRead security notes

Update history

Browse past updates and patch notes for this game.

18 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 15 Steam achievements, sorted by player unlock rates.

  • PirateBreak your leg and walk like a pirate.56.0%
  • Organic fertilizerDie one Time.43.6%
  • Heat and LightPlace your first campfire.29.2%
  • Hobbyist HunterKill 10 monsters.27.1%
  • Chef MichelinCooking for the first time26.8%
  • GardenerFind your first plant.21.9%