Games like Theralite
Games like Theralite include FTL: Faster Than Light, Dome Keeper, The Binding of Isaac: Rebirth, Caves of Qud, and Stoneshard. We matched them by the tags players give Theralite on Steam (Roguelike, Sci-fi, 2D, Traditional Roguelike, and Procedural Generation): closest matches first, and among equally close ones the better-known games.

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

Dome Keeper
Shared: Roguelike · Sci-fi · Singleplayer

The Binding of Isaac: Rebirth
Shared: Roguelike · Indie · 2D

Caves of Qud
Shared: Procedural Generation · Sci-fi · Turn-Based Combat

Stoneshard
Shared: Roguelike · 2D · Pixel Graphics

Vampire Survivors
Shared: 2D · Roguelike · Indie

Path of Achra
Shared: Roguelike · Turn-Based Combat · Traditional Roguelike

Skul: The Hero Slayer
Shared: Roguelike · Indie · 2D

The Binding of Isaac
Shared: Roguelike · Indie · Procedural Generation

Darkest Dungeon®
Shared: Roguelike · Turn-Based Combat · Singleplayer

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

Tales of Maj'Eyal
Shared: Roguelike · Traditional Roguelike · 2D

Shattered Pixel Dungeon
Shared: Roguelike · Traditional Roguelike · 2D

Elin
Shared: Roguelike · Traditional Roguelike · Pixel Graphics

Heat Signature
Shared: Roguelike · Indie · Sci-fi

Rogue Legacy
Shared: Roguelike · Indie · 2D

Noita
Shared: Roguelike · 2D · Pixel Graphics

Dead Cells
Shared: Roguelike · 2D · Pixel Graphics

Jupiter Hell
Shared: Roguelike · Traditional Roguelike · Indie

Brotato
Shared: Roguelike · Singleplayer · Sci-fi

Into the Breach
Shared: Roguelike · Indie · Pixel Graphics

Dungreed
Shared: Roguelike · 2D · Pixel Graphics

Enter the Gungeon
Shared: Roguelike · Indie · Pixel Graphics

Dungeons of Dredmor
Shared: Roguelike · Traditional Roguelike · Indie

