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Steam

入替人-ReplaceR-

Also known as r, replacer, steam:1667160

It's a 2D action shooting adventure game where you switch between multiple guns and use interchangeable gimmicks to try to break through the stages! What awaits you in a mysterious facility in a corner of the universe?

Last update
21 May 2026
Players now
0

Latest update

Announcement

Mini-fixes

Fine-tuned key configurations. Fixed that the R key is removed when the restart operation key is changed. This is in response to the case where the number of restarts should not be increased by accidental operation.

2 changesFixGameplayRead announcement

Update history

Browse past updates and patch notes for this game.

20 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 11 Steam achievements, sorted by player unlock rates.

  • Welcome to the Forgotten SatelliteWhen you get the ability to switch.68.8%
  • Position changerWhen you clear the stage to change the position.32.9%
  • SwapperWhen you complete a stage that swaps.26.9%
  • Wall reflectorWhen you clear a stage that bounces.26.3%
  • Parabolic moverWhen you clear a stage with a parabola.25.5%
  • Abyss challengerThe one who activated the four types of keys.23.9%