Explore, loot, and rush back to defend your ship against alien hordes. Solo or 4-player coop, grow stronger run after run in this frantic action roguelite with a touch of tower defense.
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No game lists Kritter: Defend Together as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
The Horde Wants You Dead is a casual, top-down shooter with up to 4-player online co-op. Ambushed by an angry horde, you and your friends face a fight for survival against thousands of relentless enemies!
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Cut through thousands of undead and survive until rescue. ZedFall: Outbreak is a co-op twin‑stick roguelite where levelling and evolving upgrade cards unleash chaotic builds. Fight to the chopper, hold the generator in Tower Defence, or Scavenge supplies. Play solo or with up to 7 of your friends.
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Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!
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Enter the quarantine zone with your squad, build devastating loadouts, and survive endless infected hordes in this co-op zombie extraction shooter. Complete dangerous contracts, uncover the truth behind the outbreak, and fight your way out alive.
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Can you Survive the Swarm? Unlock mighty abilities and upgrades, find and collect Tems to evolve and become stronger, discover overpowered strategies, and battle massive bosses in this survivor-like bullet heaven! Play solo or online co-op with up to 3 players, building the wildest synergies.
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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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Team up with up to 4 players in this fast-paced online co-op top-down shooter where humanity’s last hope stands against endless hordes of radioactive mutant frogs.
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Entropy Survivors is a bullet hell roguelike where you simultaneously control a powerful mech and a sharpshooting space frog, featuring outrageously creative abilities and powerful weapon customization. Save the universe in single player or 2-4 player online co-op!
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Creator’s Fall is an action roguelike with various classes, where you can choose between different paths. The goal is to reach and defeat the final boss at the end of the path. Levels are dynamically generated and feature different biomes. You can choose an upgrade after each level up.
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RIFTSTORM is a co-op PvE looter-shooter where squads of Weavers deploy to take on missions, fight escalating hordes, collect powerful weapons and resources, and extract.
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