Games like Running Guys
Games like Running Guys include SpeedRunners, Broforce, Brawlhalla, Duck Game, and Rivals of Aether. We matched them by the tags players give Running Guys on Steam (Action, Racing, Runner, Platformer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

SpeedRunners
Shared: Racing · Multiplayer · Action

Broforce
Shared: Action · Platformer · Multiplayer

Brawlhalla
Shared: Multiplayer · 2D Platformer · Platformer

Duck Game
Shared: Action · Multiplayer · Local Multiplayer

Rivals of Aether
Shared: Multiplayer · Local Multiplayer · Platformer

Move or Die
Shared: Action · Multiplayer · Local Multiplayer

ROUNDS
Shared: Multiplayer · Action · Local Multiplayer

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Need for Speed™ Heat
Shared: Racing · Action · Multiplayer

Stick Fight: The Game
Shared: Action · Multiplayer · Local Multiplayer

BattleBlock Theater®
Shared: Platformer · Multiplayer · Action

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Racing

TowerFall Ascension
Shared: Action · Local Multiplayer · Platformer

Rocket League®
Shared: Racing · Multiplayer · Action

Superfighters Deluxe
Shared: Action · Multiplayer · Platformer

Awesomenauts
Shared: Action · Platformer · Multiplayer

Wreckfest
Shared: Racing · Action · Multiplayer

Need for Speed™ Unbound
Shared: Racing · Action · Multiplayer

Streets of Rage 4
Shared: Action · Indie · Local Multiplayer

The Crew™ 2
Shared: Racing · Action · Multiplayer

Distance
Shared: Racing · Action · Multiplayer

TEKKEN 7
Shared: Action · Multiplayer · Local Multiplayer

TEKKEN 8
Shared: Action · Multiplayer · Local Multiplayer

GRIP: Combat Racing
Shared: Action · Racing · Multiplayer