Games like CDL for a UFO
Games like CDL for a UFO include EVERSPACE™, STAR WARS™: Squadrons, FTL: Faster Than Light, HELLDIVERS™ 2, and Avorion. We matched them by the tags players give CDL for a UFO on Steam (Space, Flight, Action, Comedy, and Sci-fi): closest matches first, and among equally close ones the better-known games.

EVERSPACE™
Shared: Space · Action · Sci-fi

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

FTL: Faster Than Light
Shared: Space · Roguelike · Sci-fi

HELLDIVERS™ 2
Shared: Action · PvE · Sci-fi

Avorion
Shared: Space · Flight · Space Sim

Dome Keeper
Shared: Action · Singleplayer · Sci-fi

Chorus
Shared: Action · Space · Flight

Warhammer 40,000: Space Marine 2
Shared: Action · Sci-fi · PvE

House of the Dying Sun
Shared: Space · Action · Flight

Trailmakers
Shared: Space · Action · Flight

Elite Dangerous
Shared: Space · Space Sim · Sci-fi

Deliver Us The Moon
Shared: Space · Action · Sci-fi

Starfield
Shared: Space · Singleplayer · Sci-fi

Starpoint Gemini 2
Shared: Space · Sci-fi · Action

Heat Signature
Shared: Space · Action · Roguelike

Marvel's Guardians of the Galaxy
Shared: Singleplayer · Action · Sci-fi

STAR WARS™ Battlefront™ II
Shared: Space · Singleplayer · Action

No Man's Sky
Shared: Space · Sci-fi · Singleplayer

STAR WARS Jedi: Survivor™
Shared: Action · Singleplayer · Sci-fi

Project Wingman
Shared: Flight · Action · Singleplayer

X4: Foundations
Shared: Space · Space Sim · Sci-fi

SpaceEngine
Shared: Space · Sci-fi · Flight

X Rebirth
Shared: Space · Action · Sci-fi

Cosmoteer: Starship Architect & Commander
Shared: Space · Sci-fi · Singleplayer