Online co-op Boss Rush games

Every online co-op Boss Rush game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 1–4 of 4 games matching Boss Rush · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
100% of 12

Slipping into a junk food‑induced coma during a late‑night movie marathon, you wake up as an astronaut stranded in a galaxy overrun by living junk food! Play solo or co‑op online with up to 3 friends (4 players max) to battle hordes of junk food and Souls‑like bosses as you fight to escape alive!

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
100% of 10

Hold the arena solo or with three friends in online co-op. Ninety-second waves, twelve bosses, ten guns, seventy perk cards, and a build that snowballs with every kill. Survive to wave 36, kill the guardian, then see how far Endless goes.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
93% of 698

Perennial Order is a 2D plant horror boss rush with challenging one-hit-death combat. Set in an atmospheric Dark Age world plagued by nature-infested horrors, explore a lore-filled and eldritch land alone or in two player co-op, all in a realistic painterly style.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
80% of 10

Destroy enemy ships, blast away asteroids and unlock new weapons / ship abilities in this endless arcade roguelite. Earn resources through each of the 7 game modes to upgrade your weapons to outlast them all.

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