Games like Astral Flux
Games like Astral Flux include Caveblazers, No Man's Sky, Rain World, Skul: The Hero Slayer, and Dead Cells. We matched them by the tags players give Astral Flux on Steam (Roguelite, Procedural Generation, Space, Pixel Graphics, and Aliens): closest matches first, and among equally close ones the better-known games.
Caveblazers
Shared: Roguelite · Pixel Graphics · Procedural Generation
No Man's Sky
Shared: Space · Procedural Generation · Exploration
Rain World
Shared: Pixel Graphics · Exploration · Survival
Skul: The Hero Slayer
Shared: Pixel Graphics · Roguelite · Action Roguelike
Dead Cells
Shared: Roguelite · Pixel Graphics · Action Roguelike
FTL: Faster Than Light
Shared: Space · Perma Death · Procedural Generation
Vampire Survivors
Shared: Roguelite · Pixel Graphics · Action Roguelike
Wall World
Shared: Roguelite · Pixel Graphics · Procedural Generation
Noita
Shared: Pixel Graphics · Difficult · Perma Death
The Binding of Isaac: Rebirth
Shared: Pixel Graphics · Action Roguelike · Difficult
Terraria
Shared: Pixel Graphics · Survival · Exploration
30XX
Shared: Roguelite · 2D Platformer · Perma Death
Risk of Rain (2013)
Shared: Pixel Graphics · Action Roguelike · Perma Death
UnderMine
Shared: Roguelite · Pixel Graphics · Action Roguelike
Starbound
Shared: Space · Pixel Graphics · Survival
Celeste
Shared: Pixel Graphics · Difficult · 2D Platformer
The Binding of Isaac
Shared: Procedural Generation · Action Roguelike · Difficult
ScourgeBringer
Shared: Roguelite · Pixel Graphics · Action Roguelike
Dungreed
Shared: Roguelite · Pixel Graphics · Action Roguelike
Void War
Shared: Roguelite · Space · Perma Death
Megabonk
Shared: Roguelite · Action Roguelike · Pixel Graphics
SANABI
Shared: Pixel Graphics · 2D Platformer · Action
Everything is Crab: The Animal Evolution Roguelite
Shared: Roguelite · Pixel Graphics · Action Roguelike
Spelunky 2
Shared: Perma Death · Procedural Generation · 2D Platformer