Games like FTL: Faster Than Light
Games like FTL: Faster Than Light include Heat Signature, Void War, The Binding of Isaac: Rebirth, Crying Suns, and Cosmoteer: Starship Architect & Commander. We matched them by the tags players give FTL: Faster Than Light on Steam (Roguelike, Space, Strategy, Sci-fi, and Indie): closest matches first, and among equally close ones the better-known games.

Heat Signature
Shared: Space · Roguelike · Indie

Void War
Shared: Space · Strategy · Roguelike

The Binding of Isaac: Rebirth
Shared: Roguelike · Indie · Difficult

Crying Suns
Shared: Space · Strategy · Roguelike

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

The Binding of Isaac
Shared: Roguelike · Indie · Difficult

Stellaris
Shared: Space · Strategy · Sci-fi

Balatro
Shared: Roguelike · Strategy · Singleplayer

Dungeon of the ENDLESS™
Shared: Roguelike · Strategy · Indie

Trigon: Space Story
Shared: Roguelike · Space · Strategy

Slay the Spire
Shared: Roguelike · Strategy · Singleplayer

Battlevoid: Harbinger
Shared: Space · Strategy · Roguelike

Dome Keeper
Shared: Roguelike · Singleplayer · Sci-fi

Plague Inc: Evolved
Shared: Strategy · Indie · Singleplayer

Slay the Spire 2
Shared: Roguelike · Strategy · Indie

XCOM: Enemy Unknown
Shared: Strategy · Sci-fi · Singleplayer

The Long Journey Home
Shared: Strategy · Space · Roguelike

Door Kickers
Shared: Strategy · Indie · Singleplayer

Into the Breach
Shared: Strategy · Roguelike · Indie

Tharsis
Shared: Space · Strategy · Roguelike

Darkest Dungeon®
Shared: Roguelike · Difficult · Strategy

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

Kerbal Space Program
Shared: Space · Indie · Simulation

Brotato
Shared: Roguelike · Singleplayer · Sci-fi