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.
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No game lists Planet Gemini as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Build a formidable factory and go dungeoning alone or with friends. Solve logic puzzles and automate resource collection and crafting, or venture into dungeons filled with dangers and rewards. Find your own ideal gameplay balance, as any unique path will advance the story!
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A free co-op automation game where you and up to 3 friends grow a living mycelial network across an alien planet. Consume local creatures, build biological production chains, and evolve from a tiny spore into a cosmic entity together.
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A deep biological network automation game where you grow a living mycelial network across an alien planet. Consume the local flora and creatures, build biological production chains, and evolve from a tiny spore into a cosmic entity that consumes worlds.
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Build. Automate. Defend.
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Final Factory blends factory building, spaceship design, and a rich universe to explore. Build a mega factory and command a massive fleet against the hostile local aliens. Discover new technologies and unlock the secrets of an ancient civilization as you explore an infinite cosmos.
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Mine ore on the Moon, send it back to Earth to earn money, and buy Skill Cores to upgrade your abilities. Use a variety of helpful equipment on your expedition — and yes, there’s a dog! Uncover the secrets hidden beneath the lunar surface.
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Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
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Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
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A tower defense roguelite where every run deals you a different hand. Build towers, upgrade your hero with random card draws, and hold the line against waves of monsters. Play solo or in online co-op with friends.
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A 2D automation sandbox adventure. Build an automated factory with Mana-powered machines, progress through an expansive tech tree, explore a vast and wonderful world, upgrade yourself with ancient technologies, and defend it all from invasions.
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