Games like Quest Rooms
Games like Quest Rooms include Human Fall Flat, Monster Hunter: World, Risk of Rain 2, HELLDIVERS™ 2, and Grand Theft Auto V Legacy. We matched them by the tags players give Quest Rooms on Steam (Action, Early Access, Indie, Puzzle, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Human Fall Flat
Shared: Co-op · Puzzle · Funny

Monster Hunter: World
Shared: Action · Co-op · Multiplayer

Risk of Rain 2
Shared: Co-op · Action · Multiplayer

HELLDIVERS™ 2
Shared: Action · Online Co-Op · Multiplayer

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Third Person

Who's Your Daddy?!
Shared: Multiplayer · Funny · Co-op

PAYDAY 2
Shared: Action · Co-op · Multiplayer

Monster Hunter Wilds
Shared: Action · Co-op · Multiplayer

Gang Beasts
Shared: Action · Co-op · Multiplayer

Clone Drone in the Danger Zone
Shared: Action · Multiplayer · Co-op

Overcooked! 2
Shared: Multiplayer · Co-op · Online Co-Op

Witch It
Shared: Indie · Action · Multiplayer

Saints Row: The Third
Shared: Action · Co-op · Funny

RV There Yet?
Shared: Co-op · Multiplayer · Funny

The Mean Greens - Plastic Warfare
Shared: Action · Multiplayer · Indie

ELDEN RING NIGHTREIGN
Shared: Co-op · Multiplayer · Action

PUBG: BATTLEGROUNDS
Shared: Action · Multiplayer · Co-op

Escape the Backrooms
Shared: Multiplayer · Co-op · Online Co-Op

Orcs Must Die! 2
Shared: Action · Co-op · Indie

Liars Bar
Shared: Multiplayer · Co-op · Indie

How to Fish
Shared: Co-op · Multiplayer · Indie

skate.
Shared: Action · Multiplayer · Early Access

Cuphead
Shared: Co-op · Indie · Multiplayer

Untitled Goose Game
Shared: Co-op · Funny · Multiplayer