Games like Redd's Runaway
Games like Redd's Runaway include Bit Blaster XL, LUFTRAUSERS, Blazing Chrome, Cuphead, and Shovel Knight: Treasure Trove. We matched them by the tags players give Redd's Runaway on Steam (Runner, Side Scroller, Difficult, Procedural Generation, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

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

LUFTRAUSERS
Shared: Bullet Hell · Action · Shoot 'Em Up

Blazing Chrome
Shared: Side Scroller · Retro · Action

Cuphead
Shared: Difficult · Bullet Hell · Retro

Shovel Knight: Treasure Trove
Shared: Retro · Difficult · Pixel Graphics

ZeroRanger
Shared: Bullet Hell · Shoot 'Em Up · Action

Huntdown
Shared: Side Scroller · Pixel Graphics · Action

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

Enter the Gungeon
Shared: Bullet Hell · Difficult · Pixel Graphics

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Indie

Devil Daggers
Shared: Difficult · Retro · Action

Exit the Gungeon
Shared: Bullet Hell · Difficult · Action

Star of Providence
Shared: Bullet Hell · Difficult · Shoot 'Em Up

Hotline Miami 2: Wrong Number
Shared: Difficult · Pixel Graphics · Action

UBERMOSH
Shared: Action · Pixel Graphics · Retro

METAL SLUG
Shared: Side Scroller · Action · Retro

METAL SLUG 3
Shared: Side Scroller · Retro · Action

Dino Run DX
Shared: Runner · Side Scroller · Pixel Graphics

METAL SLUG X
Shared: Action · Side Scroller · Retro

Bloodstained: Curse of the Moon
Shared: Retro · Side Scroller · Action

SANABI
Shared: Pixel Graphics · Action · Difficult

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

UBERMOSH Vol.5
Shared: Retro · Action · Bullet Hell

Contra Anniversary Collection
Shared: Side Scroller · Retro · Action