Games like StellarFish
Games like StellarFish include Cyberhunt, Vampire Survivors, Timberman, Bit Blaster XL, and Planes, Bullets and Vodka. We matched them by the tags players give StellarFish on Steam (Action, Casual, Point & Click, Arcade, and Hack and Slash): closest matches first, and among equally close ones the better-known games.

Cyberhunt
Shared: Action · Casual · Shoot 'Em Up

Vampire Survivors
Shared: Pixel Graphics · 2D · Casual

Timberman
Shared: Casual · Action · Pixel Graphics

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

Planes, Bullets and Vodka
Shared: Action · Casual · Shoot 'Em Up

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · 2D

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

LUFTRAUSERS
Shared: Action · Arcade · Shoot 'Em Up

Katana ZERO
Shared: Action · Pixel Graphics · Hack and Slash

UFO 50
Shared: Action · Arcade · Pixel Graphics

Akane
Shared: Action · Casual · Pixel Graphics

Distant Space
Shared: Arcade · Shoot 'Em Up · Casual

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

There Is No Game: Wrong Dimension
Shared: Point & Click · Casual · Pixel Graphics

Broforce
Shared: Action · Pixel Graphics · 2D

ZeroRanger
Shared: Action · Shoot 'Em Up · Arcade

DJMAX RESPECT V
Shared: Casual · Action · Arcade

Star Saviors
Shared: Action · Shoot 'Em Up · Arcade

Waveform
Shared: Casual · Arcade · Action

Papers, Please
Shared: Point & Click · Pixel Graphics · Indie

Starblast
Shared: Action · Casual · Arcade

Dome Keeper
Shared: Action · Sci-fi · Pixel Graphics

Defy Gravity Extended
Shared: Action · 2D · Casual

Downwell
Shared: Action · Arcade · Pixel Graphics