An incremental swarm tower defense. Play solo or 2–4 player Steam co-op. Defend a doomed mining colony through a full campaign, infinite procedural maps and Workshop creations. Build towers. Call orbital strikes. Kill billions. The only good bug is a dead bug. Do your part!
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No game lists Bugs. Billions of Bugs. as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Start with 400 gold to build your defenses. Earn more by defeating enemies and use it to place new towers or upgrade existing ones. After wave 15, enemies that reach the end destroy your towers, raising the stakes. Survive as long as possible.
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This is a 3D PVE Tower Defense rouge game that supports teams of up to 4 people. You and your teammates can choose the right trap turret according to their own division of labor to deal with different scenarios, so as to resist the wave of insects.
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Command your ship and fleet in a galaxy that truly lives: 150 sectors where six factions mine, haul, trade, build and wage war whether you're there or not. Trade it, rob it, defend it — or forge your own fleet and carve out your place in it. Play solo or in online co-op.
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Galactic Simulator is a clicker game based on the Fermi Paradox and the Great Filter theory. Players can simulate the evolution of celestial bodies and civilizations in the galaxy from an observer's perspective. The game supports multiplayer mode. Create a unique galaxy with friends!
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Command a mining fleet that never clocks out. Train 7 skills, automate them with drones, trade on a player-driven market, and forge the legendary Vanguard hull — all server-side, so your fleet keeps working while you sleep. Log in to progress you actually earned.
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Discover one of the hardest tower defense games with strategic elements, individual gameplay and challenging mechanics. Play together with your friends in co-op mode, create a team and compete with other players in the online ranking.
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A tower defense game supporting up to 4 players online, with various equipment to boost your power.
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Escape from the enemies and build a fortress to face them, you can play alone or in online games of up to 4 players.
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Fast-paced co-op action roguelite × tower defense. Fight escalating waves, risk resources in a dangerous mine, defeat the boss - then see how long you survive in Endless.
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Compete at your pace in solo or fast-paced PvP tower defense while adapting to ever-changing paths. Survive infinite dimension loops, or defend alongside a friend in online co-op. Build powerful turret combinations, and climb a global ELO ladder.
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