Games like Out There: Ω Edition
Games like Out There: Ω Edition include FTL: Faster Than Light, No Man's Sky, Starfield, Outer Wilds, and Cosmoteer: Starship Architect & Commander. We matched them by the tags players give Out There: Ω Edition on Steam (Space, Sci-fi, Roguelike, Resource Management, and Strategy): closest matches first, and among equally close ones the better-known games.

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

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

Starfield
Shared: Space · Sci-fi · Singleplayer

Outer Wilds
Shared: Space · Exploration · Sci-fi

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

Dome Keeper
Shared: Roguelike · Sci-fi · Singleplayer

Oxygen Not Included
Shared: Resource Management · Singleplayer · Survival

Stellaris
Shared: Space · Sci-fi · Strategy

The Alters
Shared: Sci-fi · Strategy · Exploration

Shortest Trip to Earth
Shared: Space · Sci-fi · Strategy

Crying Suns
Shared: Space · Strategy · Sci-fi

Heat Signature
Shared: Space · Roguelike · Sci-fi

The Long Journey Home
Shared: Space · Strategy · Roguelike

Fallout 4
Shared: Exploration · Singleplayer · Atmospheric

Prey
Shared: Sci-fi · Space · Singleplayer

Trigon: Space Story
Shared: Space · Roguelike · Strategy

Void War
Shared: Space · Strategy · Roguelite

Dungeon of the ENDLESS™
Shared: Roguelike · Strategy · Sci-fi

Stoneshard
Shared: Roguelike · Strategy · Survival

IXION
Shared: Space · Strategy · Resource Management

SUNLESS SEA
Shared: Exploration · Roguelike · Survival

This War of Mine
Shared: Strategy · Singleplayer · Survival

Homeworld 3
Shared: Space · Sci-fi · Strategy

Brotato
Shared: Roguelike · Singleplayer · Sci-fi