Games like Stellar Space
Games like Stellar Space include BALL x PIT, Vampire Survivors, Nova Drift, Brotato, and Deep Rock Galactic: Survivor. We matched them by the tags players give Stellar Space on Steam (Arcade, Shoot 'Em Up, Action Roguelike, Top-Down Shooter, and Singleplayer): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Arcade · Action Roguelike · Shoot 'Em Up

Vampire Survivors
Shared: Action Roguelike · Singleplayer · Arcade

Nova Drift
Shared: Shoot 'Em Up · Arcade · Action Roguelike

Brotato
Shared: Action Roguelike · Singleplayer · Roguelike

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Top-Down Shooter · Arcade

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

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Singleplayer

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

SNKRX
Shared: Action Roguelike · Shoot 'Em Up · Top-Down Shooter

Nuclear Throne
Shared: Action Roguelike · Roguelike · Top-Down Shooter

Megabonk
Shared: Action Roguelike · Roguelike · Arcade

Halo: Spartan Assault
Shared: Top-Down Shooter · Singleplayer · Sci-fi

Cyberhunt
Shared: Shoot 'Em Up · Arcade · Action

20 Minutes Till Dawn
Shared: Action Roguelike · Shoot 'Em Up · Top-Down Shooter

Rogue Legacy
Shared: Action Roguelike · Singleplayer · Roguelike

Halls of Torment
Shared: Action Roguelike · Arcade · Roguelike

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Pixel Graphics

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Top-Down Shooter · Arcade

Yet Another Zombie Survivors
Shared: Action Roguelike · Top-Down Shooter · Arcade

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Shooter

Slime 3K: Rise Against Despot
Shared: Action Roguelike · Shoot 'Em Up · Top-Down Shooter

Talented
Shared: Action Roguelike · Shoot 'Em Up · Arcade

LUFTRAUSERS
Shared: Arcade · Shoot 'Em Up · 2D

EVERSPACE™
Shared: Action Roguelike · Sci-fi · Singleplayer