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COGEN: Sword of Rewind / COGEN: 大鳥こはくと刻の剣

Also known as COGEN: Sword of Rewind / COGEN: 大鳥こはくと刻の剣, cogen sword of rewind cogen, cogen-sword-of-rewind-cogen

Rewind, rethink, redo. COGEN is a brand-new kind of 2D action game where there's no time for death.

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Last update
19 May 2026
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MAY SAVING SALE 66% OFF!!

GEMDROPS is currently holding its “MAY SAVING SALE”! This title is also 66% off. Don't miss out on this great opportunity! [dynamiclink href="https://store.steampowered.com/app/1514380/"] Please be sure to take advantag…

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Update history

Browse past updates and patch notes for this game.

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Gallery

In-game media

Achievements

Community progression

Top picks from 39 Steam achievements, sorted by player unlock rates.

  • Time LimitUse up all rewind charges. I'd like to go back, please.87.3%
  • Beginning of the EndClear Stage 1. I will be your sword, and your guide.80.1%
  • Time TravelerRewind time. A lot. I have a habit for never giving up.73.8%
  • Scrap DealerDefeat 100 enemies. Isn't that a little much?72.6%
  • Bullet to BatReflected 100 enemy bullets. Bullet time!68.2%
  • EL-Bird Heavy IndustriesClear Stage 2. Only a few companies in the world have enough power to build a facility this big.64.1%