Co-op games like Infernal Wave
Below are 8 cooperative Steam games similar to Infernal Wave, ranked by player overlap and content similarity. Every pick supports cooperative play — online co-op, LAN co-op, or shared/split-screen — so you can play with friends right out of the box. imho.run pulls from the same Steam category data Valve uses internally, so "Co-op" here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Infernal Wave page.
Ranked picks
- 1
Affiliated Homies
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action and Early Access with Infernal Wave.
Banana!
- 2
DotStrike
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action and Early Access with Infernal Wave.
DotStrike is a 3D online shooter in which alien invaders in the form of colored spheres fight each other in a seaport. But the aliens are not fighting alone.
- 3
Broken War
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action and Early Access with Infernal Wave.
Broken War is an intense first-person shooter that combines different multiplayer modes.
- 4
Antiutopia
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action with Infernal Wave.
Antiutopia is a fast-paced, skill-based multiplayer FPS set in a fractured sci-fi world. Built from the ground up in a custom engine by a solo developer, it delivers classic arena gun-play, tight matches, and pure competitive action. No progression grind, no gimmicks, just skill.
- 5
Unreal Tournament 3
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action with Infernal Wave.
Now includes the free Titan Pack expansion! The Titan Pack gives players a substantial amount of enhanced features and new content, including many original environments, new gametypes, the namesake Titan mutator, powerful deployables and weapons, new characters, and the Stealthbender.
- 6
After the Fall®
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action and Adventure with Infernal Wave.
From the team that brought you Arizona Sunshine® comes an epic VR action FPS with intense co-op gameplay at its core. Team up with friends and take on a hostile VR world filled with ferocious undead--mutated and twisted by the relentless cold.
- 7
Finnish Cabin Mayhem - Mökkimähinä
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action with Infernal Wave.
Alcohol. Action. Violence. Get ready to take your friends "behind the sauna" using whatever there is at hand.
- 8
Zombie Survival Game Online
Online Co-op alternative to Infernal Wave — playable with friends. Shares Action and Adventure with Infernal Wave.
Zombie Survival Game Online is an open-world, post-apocalyptic, looter shooter. Craft, quest, explore, build, and fight for survival. Parkour up a mountainside, ramp a truck over a horde, and grab a gasmask to explore the sewers. Can you survive? Doubtful.