Games like Dangerous Galaxy
Games like Dangerous Galaxy include Rogue Legacy 2, Skul: The Hero Slayer, Hades, Vampire Survivors, and FTL: Faster Than Light. We matched them by the tags players give Dangerous Galaxy on Steam (Roguelite, Action, Side Scroller, Space, and Arcade): closest matches first, and among equally close ones the better-known games.

Rogue Legacy 2
Shared: Action · Arcade · Roguelite

Skul: The Hero Slayer
Shared: Action · Roguelite · Action Roguelike

Hades
Shared: Roguelite · Action · Action Roguelike

Vampire Survivors
Shared: Roguelite · Action Roguelike · Action

FTL: Faster Than Light
Shared: Space · Sci-fi · Perma Death

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

BALL x PIT
Shared: Roguelite · Action · Arcade

EVERSPACE™
Shared: Action · Space · Roguelite

Dead Cells
Shared: Roguelite · Action Roguelike · Adventure

Void War
Shared: Roguelite · Space · Perma Death

Spelunky
Shared: Action Roguelike · Procedural Generation · Arcade

Deep Rock Galactic: Survivor
Shared: Roguelite · Action Roguelike · Action

Nova Drift
Shared: Roguelite · Arcade · Action Roguelike

Rogue Legacy
Shared: Action · Roguelite · Action Roguelike

Heat Signature
Shared: Space · Action · Roguelite

30XX
Shared: Roguelite · Side Scroller · Action Roguelike

UnderMine
Shared: Roguelite · Action · Action Roguelike

Dungreed
Shared: Roguelite · Action · Action Roguelike

Noita
Shared: Action · Perma Death · Roguelite

Hades II
Shared: Action · Roguelite · Action Roguelike

Halls of Torment
Shared: Roguelite · Action · Action Roguelike

Caveblazers
Shared: Roguelite · Action Roguelike · Procedural Generation

Streets of Rogue
Shared: Roguelite · Action · Action Roguelike

暖雪 Warm Snow
Shared: Roguelite · Action Roguelike · Action