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COSMONAUT

Also known as COSMONAUT, c, cosmonaut

Unravel the mystery surrounding the lost vessel Diogenes. A story-driven retro platformer with elements of horror. Use the zero-g suit to explore the eerie corridors of a derelict ship filled with unknown lifeforms and dark secrets.

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Last update
16 Jun 2026

Latest update

Announcement

COSMONAUT becomes Free-to-Play Jan. 1, 2020!

Greetings from Neon Chasm! COSMONAUT will become Free-to-Play by January 1st, 2020. We sincerely thank all those who supported us by purchasing the game over the past two years. It is our hope this change will allow the…

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Update history

Browse past updates and patch notes for this game.

3 updates

Gallery

In-game media