Dive into the Ocean Keeper – a cooperative roguelike where four survival miners defend their Mech Spider, fight with endless hordes of monsters, and dig for resources. Team up with your friends, upgrade between waves, and survive the deep caves, full of treasures… if you can.
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No game lists Ocean Keeper Co-op Drill Multiplayer as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Octomech Survivors is a top-down mech action roguelite focused on movement, survival, and auto-fire combat. Manage weight across 8 weapon slots, with up to 4 copies of the same weapon. Choose 1 of 3 mechs and create your own build!
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Simultaneously control a sword-wielding robot and a gunslinging space frog in Shoulders of Giants, an explosively colourful sci-fi roguelike. Play alone, with a friend, or as part of a four-person team, cutting through waves of enemies on a quest to rescue the galaxy from the forces of Entropy!
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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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Synthetic Paradox is a sci-fi action rogue-lite mixed with tower defense elements. Fight never-ending waves of enemies and bosses, collect items and build up your defenses alone or in co-op for up to 4 players! Discover unique combinations of towers and items to help you protect your Core!
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In this top-down, multiplayer, co-op game, you must protect your Core Crystal by any means necessary. Build up your defenses, explore, refine, and upgrade to reach your goal. Play alone or with up to 8 people.
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A roguelike tower defense where every draft permanently mutates your build. Stack modifiers, trigger massive Surge events, and watch your defenses evolve into unstable, compounding systems that fight in ways you didn’t design.
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In the forest outside of town, four friends discover a mysterious black pool that transports them to an unknown world. To fight their way home, they must unlock and master supernatural abilities. Play cooperative or solo in this high-paced action game of skill that varies each session.
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Descend through the Mesopotamian underworld in a fast pixel-art survivors-like. Your weapons fire on their own while you dash, parry and fuse your way past swarms and bosses across 24 realms, solo or in online and same-screen co-op.
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Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
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Control a mighty champion in a cursed medieval realm from a top-down view while building and upgrading towers to fight back waves of enemies. Play solo or in online co-op in this hero tower-defense.
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