Games like Madness^3 OST
Games like Madness^3 OST include Last Oasis, Notes of Soul, Madness Cubed, Drug Dealer Simulator, and Hand Simulator: Survival. We matched them by the tags players give Madness^3 OST on Steam (Massively Multiplayer, Indie, Simulation, Action, and Adventure): closest matches first, and among equally close ones the better-known games.

Last Oasis
Shared: Massively Multiplayer · Action · Indie

Notes of Soul
Shared: Massively Multiplayer · Action · Indie

Madness Cubed
Shared: Indie · Massively Multiplayer · Action

Drug Dealer Simulator
Shared: Simulation · Indie · Action

Hand Simulator: Survival
Shared: Simulation · Adventure · Indie

Wobbly Life
Shared: Adventure · Simulation · Indie

Infestation: The New Beginning
Shared: Massively Multiplayer · Action · Indie

Beasts of Bermuda
Shared: Simulation · Massively Multiplayer · Adventure

OMON Simulator
Shared: Simulation · Indie · Action

House Flipper
Shared: Simulation · Massively Multiplayer · Indie

Touhou Big Big Battle
Shared: Indie · Massively Multiplayer · Action

The Isle
Shared: Simulation · Massively Multiplayer · Adventure

Feed and Grow: Fish
Shared: Simulation · Action · Indie

War Thunder
Shared: Simulation · Action · Massively Multiplayer

KovaaK's
Shared: Action · Simulation · Indie

Gloria Victis: Medieval MMORPG
Shared: Massively Multiplayer · Action · Simulation

Aimlabs
Shared: Simulation · Action · Indie

Deliver Us The Moon
Shared: Indie · Adventure · Action

Totally Accurate Battle Simulator
Shared: Simulation · Indie · Adventure

鬼谷八荒 Tale of Immortal
Shared: Simulation · Action · Adventure

Thief Simulator
Shared: Simulation · Adventure · Indie

Dinosaur Hunt
Shared: Indie · Action · Adventure

Elite Dangerous
Shared: Massively Multiplayer · Simulation · Action

Internet Cafe Simulator
Shared: Indie · Simulation · Adventure