Games like Space Betrayers
Games like Space Betrayers include UNO, Among Us, Gremlins, Inc., Tabletop Simulator, and Talisman: Digital Classic Edition. We matched them by the tags players give Space Betrayers on Steam (Social Deduction, Card Game, Board Game, Tabletop, and Indie): closest matches first, and among equally close ones the better-known games.

UNO
Shared: Card Game · Board Game · Tabletop

Among Us
Shared: Social Deduction · Survival · Online Co-Op

Gremlins, Inc.
Shared: Board Game · Card Game · Tabletop

Tabletop Simulator
Shared: Board Game · Tabletop · Card Game

Talisman: Digital Classic Edition
Shared: Board Game · Tabletop · Card Game

Slay the Spire 2
Shared: Card Game · Indie · Card Battler

Armello
Shared: Board Game · Card Game · Turn-Based

Through the Ages
Shared: Board Game · Card Game · Tabletop

Sentinels of the Multiverse
Shared: Card Game · Indie · Board Game

100% Orange Juice
Shared: Board Game · Card Game · Indie

Liars Bar
Shared: Indie · Online Co-Op · Multiplayer

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Board Game · Tabletop · Card Game

Slay the Spire
Shared: Card Game · Card Battler · Indie

Wingspan
Shared: Card Game · Board Game · Tabletop

Don't Starve Together
Shared: Survival · Multiplayer · Indie

Project Winter
Shared: Social Deduction · Survival · Team-Based

For The King
Shared: Online Co-Op · Tabletop · Turn-Based

Stacklands
Shared: Card Game · Survival · Card Battler

Root
Shared: Board Game · Tabletop · Indie

Palworld
Shared: Survival · Indie · Online Co-Op

Faeria
Shared: Card Game · Indie · Board Game

Feign
Shared: Social Deduction · Survival · Online Co-Op

Town of Salem
Shared: Social Deduction · Indie · Multiplayer

Cultist Simulator
Shared: Card Game · Board Game · Tabletop