Games like Probo Rush
Games like Probo Rush include Bit Blaster XL, Huntdown, Vampire Survivors, Planes, Bullets and Vodka, and LUFTRAUSERS. We matched them by the tags players give Probo Rush on Steam (Shoot 'Em Up, Side Scroller, Bullet Hell, Pixel Graphics, and Boss Rush): closest matches first, and among equally close ones the better-known games.

Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Shooter

Huntdown
Shared: Side Scroller · Pixel Graphics · Shoot 'Em Up

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · 2D

Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Shooter

LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Pixel Graphics

Super Meat Boy
Shared: Pixel Graphics · 2D Platformer · Difficult

Kero Blaster
Shared: Side Scroller · Shoot 'Em Up · Shooter

Broforce
Shared: Pixel Graphics · Side Scroller · 2D

Terminator 2D: NO FATE
Shared: Side Scroller · Pixel Graphics · 2D Platformer

Celeste
Shared: Pixel Graphics · Difficult · 2D Platformer

ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Pixel Graphics

Alex Jones: NWO Wars
Shared: Shoot 'Em Up · Side Scroller · 2D Platformer

SANABI
Shared: Pixel Graphics · 2D Platformer · Action

Super Time Force Ultra
Shared: Side Scroller · Bullet Hell · Shoot 'Em Up

Blazing Chrome
Shared: Side Scroller · Pixel Graphics · Shoot 'Em Up

Exit the Gungeon
Shared: Bullet Hell · Arcade · Pixel Graphics

Downwell
Shared: Pixel Graphics · 2D Platformer · Arcade

METAL SLUG
Shared: Side Scroller · Shoot 'Em Up · Arcade

Cuphead
Shared: Difficult · Platformer · Bullet Hell

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Platformer · Side Scroller

DRAINUS
Shared: Shoot 'Em Up · Shooter · Bullet Hell

Katana ZERO
Shared: Pixel Graphics · 2D Platformer · Platformer

Touhou Luna Nights
Shared: Side Scroller · Bullet Hell · Difficult

Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade