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Best free online co-op games on Steam
Free-to-play online co-op games on the US Steam store, as of 2026-10-29. 9 games, ranked by Steam review score weighted by how many reviews back it. Data as of 2026-10-29.
The list
Supermarket Together
FreeVery Positive
+16 online✓ PCGW
- Crossplay unverified unverified
buildingchill
Once Human
FreeVery Positive
? playersunverified
- Crossplay unverified unverified
buildingcompetitive
Brawlhalla
FreeMostly Positive
8 online✓ PCGW
- Crossplay unverified unverified
chillcompetitiveRemote Play
Every card keeps its verification label. Open a game for sources and dates, or use the tonight picker to match your whole group.