Games like Space Crisis
Games like Space Crisis include PUBG: BATTLEGROUNDS, Starbound, STAR WARS™: Squadrons, No Man's Sky, and Terraria. We matched them by the tags players give Space Crisis on Steam (Side Scroller, Flight, 2D Platformer, Survival, and Space): closest matches first, and among equally close ones the better-known games.

PUBG: BATTLEGROUNDS
Shared: Survival · Shooter · PvP

Starbound
Shared: Survival · Space · Adventure

STAR WARS™: Squadrons
Shared: Flight · Space · PvP

No Man's Sky
Shared: Space · Survival · PvP

Terraria
Shared: Survival · 2D · PvP

Trailmakers
Shared: Space · Flight · Action

Among Us
Shared: Survival · Space · 2D

Broforce
Shared: Side Scroller · Action · Shooter

SANABI
Shared: 2D Platformer · Action · Side Scroller

EVERSPACE™
Shared: Space · Flight · Space Sim

Rust
Shared: Survival · PvP · Adventure

ACE COMBAT™ 7: SKIES UNKNOWN
Shared: Flight · Shooter · Arcade

Warhammer 40,000: Shootas, Blood & Teef
Shared: Side Scroller · 2D Platformer · PvP

Chorus
Shared: Space · Flight · Shooter

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Action-Adventure

Alex Jones: NWO Wars
Shared: 2D Platformer · Side Scroller · Shooter

Terminator 2D: NO FATE
Shared: Side Scroller · 2D Platformer · Shooter

Rain World
Shared: Survival · 2D Platformer · Indie

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · 2D

Space Engineers
Shared: Survival · Space · PvP

DayZ
Shared: Survival · PvP · Shooter

Huntdown
Shared: Side Scroller · Shooter · Action

Project Wingman
Shared: Flight · Arcade · Action

Cosmoteer: Starship Architect & Commander
Shared: Space · Space Sim · Survival