Planet Gemini

Planet Gemini is a factory-building and tower defense game. After crash-landing on two planets during an interdimensional journey, fend off waves of enemies and research a portal to survive.

Developer: decidone. Publisher: Planet Gemini.

Tags: Solo · Co-op, Automation, Base Building, Tower Defense.

Steam reviews: Positive (94% of 19).

Price: Free to play on Steam.

Released 2026-05-21.

Last updated 2026-07-19.

Planet Gemini on Game Goose · Steam store page

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