Co-op games like ATLYSS
Below are 10 cooperative Steam games similar to ATLYSS, 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 ATLYSS page.
Ranked picks
- 1
Blacklode
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Adventure with ATLYSS.
A medieval dungeon extraction game for parties of one to three. Take a torch and a blade into the halls under Karnhollow, fight monsters and rival crews for the gold in the black stone, and get out before the gates seal. Die down there and you lose everything you carried.
- 2
Direlands: Extraction
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Indie with ATLYSS.
Direlands: Extraction blends looter shooter progression, extraction gameplay, and classic fantasy RPG adventure. Explore dangerous realms through ancient portals, gather powerful loot, and fight your way home—or lose everything you carry.
- 3
Few Shall Return
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Adventure with ATLYSS.
Few Shall Return is a PvPvE multiplayer dungeon extraction adventure. You have to work together to survive, but you're on your own at the end of the day. Each round only takes 7.5 minutes
- 4
FriendOS
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Indie with ATLYSS.
FriendOS is a 1-3 player action RPG where viruses must die! Strike and batter your opponents in Cartoon Sports Combat, and create the virtual animal avatar of your dreams. Hang out in lobbies with up to 12 friends and team up to protect the world of FriendOS from virus corruption.
- 5
ZuOnline
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Adventure with ATLYSS.
Return to the legendary world of Zu Online - a martial arts MMORPG reborn. Explore ancient skies, master cultivation, and battle for immortality in a world inspired by Chinese mythology.
- 6
Brave Legends
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Indie with ATLYSS.
Collect equipment and skill books to build your own unique build.
- 7
Avaroth Online
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Indie with ATLYSS.
Avaroth Online is an open-world MMORPG with PvP combat, character progression, and exploration across lands inspired by Argentina. Gather resources, build, and face enemies and players alike in a hostile, persistent world.
- 8
The Story Page
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Indie with ATLYSS.
An indie Online RPG game set in an open world from a solo developer. Create your own character, immerse yourself in an exciting story, engage in various activities: from fishing and farming, to managing industries and cities.
- 9
Phantasy Star Online 2 New Genesis
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and RPG with ATLYSS.
Phantasy Star Online 2 New Genesis is a free-to-play action MMO. Join players around the world to explore the planet Halpha and fight in epic battles as ARKS Defenders! Unleash your imagination with our ultimate character creation experience and creative spaces to create your own phantasy.
- 10
Path of Exile 2
Online Co-op alternative to ATLYSS — playable with friends. Shares Action and Adventure with ATLYSS.
Path of Exile 2 is a next generation Action RPG from Grinding Gear Games, featuring co-op for up to six players. Set years after the original Path of Exile, you will return to the dark world of Wraeclast and seek to end the corruption that is spreading.