Games like Alpha Particle
Games like Alpha Particle include Hollow Knight, Hollow Knight: Silksong, STAR WARS Jedi: Survivor™, FTL: Faster Than Light, and Nine Sols. We matched them by the tags players give Alpha Particle on Steam (Sci-fi, Singleplayer, Metroidvania, Exploration, and Space): closest matches first, and among equally close ones the better-known games.
Hollow Knight
Shared: Metroidvania · Difficult · Singleplayer
Hollow Knight: Silksong
Shared: Metroidvania · Difficult · Singleplayer
STAR WARS Jedi: Survivor™
Shared: Singleplayer · Sci-fi · Action
FTL: Faster Than Light
Shared: Sci-fi · Space · Singleplayer
Nine Sols
Shared: Metroidvania · Difficult · Souls-like
Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · Singleplayer · Space
No Man's Sky
Shared: Sci-fi · Space · Exploration
Outer Wilds
Shared: Exploration · Space · Singleplayer
Starfield
Shared: Singleplayer · Sci-fi · Space
Ori and the Will of the Wisps
Shared: Metroidvania · Singleplayer · Exploration
Blasphemous
Shared: Metroidvania · Souls-like · Indie
Deliver Us The Moon
Shared: Sci-fi · Space · Singleplayer
MIO: Memories in Orbit
Shared: Metroidvania · Exploration · Singleplayer
STAR WARS Jedi: Fallen Order™
Shared: Sci-fi · Souls-like · Exploration
The Swapper
Shared: Sci-fi · Singleplayer · Space
TUNIC
Shared: Exploration · Metroidvania · Souls-like
V: Rings of Saturn
Shared: Sci-fi · Singleplayer · Space
ENDER LILIES: Quietus of the Knights
Shared: Metroidvania · Singleplayer · Souls-like
Defy Gravity Extended
Shared: Singleplayer · Space · Indie
Prey
Shared: Sci-fi · Singleplayer · Space
Axiom Verge
Shared: Metroidvania · Indie · Sci-fi
Stellaris
Shared: Sci-fi · Space · Exploration
Elite Dangerous
Shared: Sci-fi · Space · Exploration
Gato Roboto
Shared: Metroidvania · Indie · Singleplayer