Games like Perihelion: Rogue Orbit
Games like Perihelion: Rogue Orbit include FTL: Faster Than Light, Heat Signature, Dome Keeper, The Binding of Isaac, and Skul: The Hero Slayer. We matched them by the tags players give Perihelion: Rogue Orbit on Steam (Action, Roguelike, 2D, Top-Down, and Sci-fi): closest matches first, and among equally close ones the better-known games.

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

Heat Signature
Shared: Roguelike · Action · Space

Dome Keeper
Shared: Roguelike · Action · Sci-fi

The Binding of Isaac
Shared: Roguelike · Action · Indie

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

Space Pirates and Zombies
Shared: Action · Space · Top-Down

EVERSPACE™
Shared: Action · Space · Sci-fi

BALL x PIT
Shared: Action · Roguelike · Top-Down

Vampire Survivors
Shared: 2D · Roguelike · Action

Rogue Legacy
Shared: Roguelike · Action · 2D

Sephiria
Shared: Roguelike · Action · Combat

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

Hades
Shared: Action · Roguelike · Indie

Risk of Rain Returns
Shared: 2D · Action · Sci-fi

Dead Cells
Shared: Roguelike · 2D · Action

暖雪 Warm Snow
Shared: Roguelike · 2D · Top-Down

Reassembly
Shared: Action · 2D · Space

STAR WARS™ Battlefront™ II
Shared: Action · Space · Sci-fi

Ocean Keeper: Dome Survival
Shared: Action · 2D · Roguelike

Hades II
Shared: Action · Roguelike · Roguelite

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · 2D · Space

Endless Sky
Shared: Space · Sci-fi · 2D

Jump Space
Shared: Sci-fi · Space · Action

Deep Rock Galactic: Survivor
Shared: Top-Down · Action · PvE