Games like Untitled Space Game
Games like Untitled Space Game include UFO 50, Duck Game, TEKKEN 8, Stick Fight: The Game, and TEKKEN 7. We matched them by the tags players give Untitled Space Game on Steam (1980s, Old School, Local Multiplayer, Multiplayer, and Retro): closest matches first, and among equally close ones the better-known games.

UFO 50
Shared: Retro · 1980s · Strategy

Duck Game
Shared: Multiplayer · Local Multiplayer · Pixel Graphics

TEKKEN 8
Shared: Multiplayer · Local Multiplayer · PvP

Stick Fight: The Game
Shared: Multiplayer · Local Multiplayer · PvP

TEKKEN 7
Shared: Multiplayer · Local Multiplayer · Arcade

Rivals of Aether
Shared: Multiplayer · Local Multiplayer · Pixel Graphics

Among Us
Shared: Multiplayer · Space · Local Multiplayer

Broforce
Shared: Multiplayer · Pixel Graphics · Action

Street Fighter™ 6
Shared: Multiplayer · PvP · Arcade

DRAGON BALL FighterZ
Shared: Multiplayer · Local Multiplayer · PvP

ROUNDS
Shared: Multiplayer · Local Multiplayer · PvP

Streets of Rage 4
Shared: Local Multiplayer · Arcade · Action

THE KING OF FIGHTERS 2002 UNLIMITED MATCH
Shared: Multiplayer · Local Multiplayer · Arcade

GUILTY GEAR -STRIVE-
Shared: PvP · Multiplayer · Arcade

DRAGON BALL: Sparking! ZERO
Shared: Multiplayer · Local Multiplayer · PvP

Brawlhalla
Shared: Multiplayer · Local Multiplayer · PvP

PUBG: BATTLEGROUNDS
Shared: Multiplayer · PvP · Action

Mortal Kombat X
Shared: Multiplayer · Local Multiplayer · Action

Mortal Kombat 11
Shared: Multiplayer · Local Multiplayer · PvP

Street Fighter 30th Anniversary Collection
Shared: Multiplayer · Retro · Local Multiplayer

Counter-Strike
Shared: Multiplayer · Action · PvP