Games like MMM Weird Adventure
Games like MMM Weird Adventure include The Stanley Parable, The Wolf Among Us, The Henry Stickmin Collection, Tales from the Borderlands, and Half-Life 2. We matched them by the tags players give MMM Weird Adventure on Steam (Action, Visual Novel, Choose Your Own Adventure, 2D, and First-Person): closest matches first, and among equally close ones the better-known games.

The Stanley Parable
Shared: Comedy · First-Person · Psychological

The Wolf Among Us
Shared: Choose Your Own Adventure · Visual Novel · Adventure

The Henry Stickmin Collection
Shared: Choose Your Own Adventure · Comedy · 2D

Tales from the Borderlands
Shared: Comedy · Adventure · Choose Your Own Adventure

Half-Life 2
Shared: Action · First-Person · Sci-fi

Class of '09: The Flip Side
Shared: Visual Novel · Choose Your Own Adventure · Comedy

Senren * Banka
Shared: Visual Novel · First-Person · Adventure

BioShock Infinite
Shared: Action · First-Person · Adventure

Road 96
Shared: First-Person · Choose Your Own Adventure · Adventure

The Coffin of Andy and Leyley
Shared: Visual Novel · Dark Comedy · Psychological

Grand Theft Auto V Legacy
Shared: Action · First-Person · Adventure

Black Mesa
Shared: Action · First-Person · Sci-fi

The Test
Shared: Choose Your Own Adventure · Visual Novel · Psychological

Reventure
Shared: Adventure · 2D · Comedy

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choose Your Own Adventure · Choices Matter

High On Life
Shared: Comedy · Action · Adventure

Dispatch
Shared: Choose Your Own Adventure · Comedy · Choices Matter

Far Away
Shared: Visual Novel · Choose Your Own Adventure · Choices Matter

South Park™: The Stick of Truth™
Shared: Comedy · Action · Adventure

Love Is All Around
Shared: Visual Novel · First-Person · Choose Your Own Adventure

Portal
Shared: First-Person · Comedy · Action

The NOexistenceN of you AND me
Shared: Visual Novel · Psychological · 2D

Suzerain
Shared: Visual Novel · Choose Your Own Adventure · Choices Matter

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · 2D · Psychological