Shoot and slash your way through Enemies and Levels while upgrading, in Endless Mode and the Campaign in this fast-paced Hack 'n' Slash. You can even face these challenging levels while playing up to 64 players online!
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No game lists NULL: INITIATIVE as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
A fast-paced arcade platformer where platforms vanish behind you. Collect coins, upgrade your runner, and customize your character with your own 32x32 sprites. Three difficulties. Multiple game modes. How far can you run?
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Dark Scrolls is a fantasy-themed action platformer that fuses shmup-style chaos with roguelite progression and is packed with charm, challenge, and secrets.
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Trees Adventure is a 2D side-view platformer where in single player you control two characters at once, and in online or local co-op each player controls their own character
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You are a brave sheep who was sent to space by the USSR to test a new spaceship, but it veered off course and crashed on an alien planet! You must travel across strange worlds and fend off enemies to make it back to Earth safely.
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Critter Climb is an online 2D platformer where you and your friends climb through unique biomes with dangerous hazards. There’s only one way to go... UP! Give your friends a little kick on the adventure.
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Two balls of wool, one thread, one big adventure! Jump, swing and puzzle your way together through more than 50 interwoven levels — in co-op or multiplayer.
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Fight. Loot. Die. Repeat. Begin your plight into this 2D rogue-lite, and try to survive. Battle enemies, bosses, charge orbs, enter portals, and try to make it farther than last time, uncovering new items, challenges, and secrets. Adventure alone or with up to 3 other friends in co-op.
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Portal Dungeon is a side-scrolling Roguelite adventure game that supports up to 4 players in co-op mode. You control an adventurer as you and your friends bravely set out to find the last portal in this world. Go forth! Defeat powerful enemies! Save the world!
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Escape a dangerous dungeon with your friends as royal babies. Solve puzzles, dodge traps and laugh through chaotic co-op action for 2–8 players!
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Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.
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