Games like Disc Room
Games like Disc Room include Hotline Miami, Hotline Miami 2: Wrong Number, CARRION, Celeste, and Blasphemous. We matched them by the tags players give Disc Room on Steam (Indie, Action, Difficult, Violent, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Hotline Miami
Shared: Action · Indie · Violent

Hotline Miami 2: Wrong Number
Shared: Action · Violent · Gore

CARRION
Shared: Action · Indie · Gore

Celeste
Shared: Difficult · Indie · Singleplayer

Blasphemous
Shared: Indie · Violent · Gore

Ape Out
Shared: Indie · Violent · Action

Super Meat Boy
Shared: Indie · Difficult · Singleplayer

Hollow Knight: Silksong
Shared: Indie · Difficult · Singleplayer

SANABI
Shared: Action · Indie · Adventure

UFO 50
Shared: Indie · Action · Retro

SUPERHOT
Shared: Action · Indie · Singleplayer

Jump King
Shared: Difficult · Indie · Action

Rogue Legacy 2
Shared: Action · Indie · Arcade

A Dance of Fire and Ice
Shared: Difficult · Indie · Singleplayer

DOOM Eternal
Shared: Action · Gore · Violent

My Friend Pedro
Shared: Indie · Action · Violent

Defy Gravity Extended
Shared: Indie · Action · Singleplayer

LIMBO
Shared: Indie · Puzzle · Adventure

12 is Better Than 6
Shared: Action · Indie · Singleplayer

Hollow Knight
Shared: Difficult · Indie · Singleplayer

Exit the Gungeon
Shared: Indie · Action · Adventure

RUINER
Shared: Action · Indie · Violent

Lucius
Shared: Adventure · Indie · Singleplayer

Paint the Town Red
Shared: Action · Violent · Gore