Games like Killer Chambers
Games like Killer Chambers include Celeste, Super Meat Boy, Skul: The Hero Slayer, Jump King, and Enter the Gungeon. We matched them by the tags players give Killer Chambers on Steam (Action, Indie, Bullet Hell, Pixel Graphics, and Difficult): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Pixel Graphics · Indie · Difficult

Super Meat Boy
Shared: Indie · Difficult · Pixel Graphics

Skul: The Hero Slayer
Shared: Action · Indie · Pixel Graphics

Jump King
Shared: Indie · Difficult · Pixel Graphics

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

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Indie · Action

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Indie

Pizza Tower
Shared: Indie · Pixel Graphics · Funny

DELTARUNE
Shared: Pixel Graphics · Bullet Hell · Funny

Katana ZERO
Shared: Action · Pixel Graphics · Indie

SANABI
Shared: Action · Pixel Graphics · Indie

Dungeon Munchies
Shared: Action · Indie · Pixel Graphics

Nuclear Throne
Shared: Indie · Pixel Graphics · Action

Exit the Gungeon
Shared: Indie · Action · Bullet Hell

Geometry Dash
Shared: Difficult · Singleplayer · Indie

The End Is Nigh
Shared: Indie · Difficult · Action

VVVVVV
Shared: Pixel Graphics · Indie · Difficult

Hotline Miami
Shared: Action · Indie · Pixel Graphics

Cuphead
Shared: Difficult · Indie · Platformer

Hollow Knight
Shared: Difficult · Indie · Platformer

Getting Over It with Bennett Foddy
Shared: Difficult · Singleplayer · Indie

The Binding of Isaac: Rebirth
Shared: Indie · Difficult · Pixel Graphics

Hollow Knight: Silksong
Shared: Indie · Difficult · Singleplayer

Angry Video Game Nerd Adventures
Shared: Indie · Action · Difficult