Games like Running Man 3D
Games like Running Man 3D include Totally Accurate Battle Simulator, Hollow Knight, Hollow Knight: Silksong, A Story About My Uncle, and Game Dev Tycoon. We matched them by the tags players give Running Man 3D on Steam (Indie, Simulation, Adventure, Platformer, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Totally Accurate Battle Simulator
Shared: Simulation · Indie · Singleplayer

Hollow Knight
Shared: Platformer · Indie · Singleplayer

Hollow Knight: Silksong
Shared: Indie · Singleplayer · Platformer

A Story About My Uncle
Shared: Adventure · Indie · Singleplayer

Game Dev Tycoon
Shared: Simulation · Indie · Singleplayer

Plague Inc: Evolved
Shared: Simulation · Indie · Singleplayer

BEEP
Shared: Indie · Adventure · Platformer

House Flipper
Shared: Simulation · Singleplayer · Indie

Dust: An Elysian Tail
Shared: Indie · Platformer · Adventure

Slime Rancher
Shared: Adventure · Singleplayer · Simulation

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Adventure

Ori and the Will of the Wisps
Shared: Platformer · Singleplayer · Adventure

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

Streamer Life Simulator
Shared: Simulation · Indie · Singleplayer

Chained Together
Shared: Adventure · Platformer · Simulation

Pumpkin Jack
Shared: Adventure · Indie · Singleplayer

Firewatch
Shared: Adventure · Walking Simulator · Singleplayer

Celeste
Shared: Indie · Platformer · Singleplayer

The Escapists
Shared: Simulation · Indie · Singleplayer

Seen
Shared: Indie · Adventure · Singleplayer

Internet Cafe Simulator
Shared: Indie · Simulation · Adventure

GRIS
Shared: Indie · Adventure · Platformer

Drug Dealer Simulator
Shared: Simulation · Indie · Singleplayer

Home Behind
Shared: Adventure · Indie · Simulation

