Games like Junkyard Astronauts
Games like Junkyard Astronauts include Among Us, Garry's Mod, R.E.P.O., Gang Beasts, and PEAK. We matched them by the tags players give Junkyard Astronauts on Steam (Physics, Party Game, Online Co-Op, Building, and Space): closest matches first, and among equally close ones the better-known games.

Among Us
Shared: Online Co-Op · Multiplayer · Space

Garry's Mod
Shared: Physics · Building · Multiplayer

R.E.P.O.
Shared: Online Co-Op · Co-op · Physics

Gang Beasts
Shared: Co-op · Physics · Multiplayer

PEAK
Shared: Co-op · Online Co-Op · Physics

RV There Yet?
Shared: Co-op · Online Co-Op · Multiplayer

Party Animals
Shared: Co-op · Party Game · Multiplayer

How to Fish
Shared: Co-op · Online Co-Op · Multiplayer

HELLDIVERS™ 2
Shared: Online Co-Op · Co-op · Multiplayer

Space Engineers
Shared: Building · Physics · Space

Human Fall Flat
Shared: Co-op · Physics · Multiplayer

Machine Party
Shared: Party Game · Co-op · Multiplayer

Super Battle Golf
Shared: Co-op · Online Co-Op · Physics

MECCHA CHAMELEON
Shared: Party Game · Multiplayer · Online Co-Op

Pummel Party
Shared: Online Co-Op · Party Game · Multiplayer

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

Overcooked! 2
Shared: Co-op · Online Co-Op · Multiplayer

Tricky Towers
Shared: Party Game · Physics · Multiplayer

Chained Together
Shared: Co-op · Online Co-Op · Multiplayer

Trailmakers
Shared: Space · Online Co-Op · Action

Content Warning
Shared: Online Co-Op · Physics · Co-op

Empyrion - Galactic Survival
Shared: Co-op · Space · Building

Climber Animals: Together
Shared: Physics · Party Game · Co-op

Scrap Mechanic
Shared: Building · Physics · Co-op