Games like Balloonatics
Games like Balloonatics include Garry's Mod, Gang Beasts, How to Fish, Stick Fight: The Game, and RV There Yet?. We matched them by the tags players give Balloonatics on Steam (Physics, Action, Fast-Paced, Cartoony, and Casual): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Physics · Multiplayer · Funny

Gang Beasts
Shared: Action · Physics · Funny

How to Fish
Shared: Physics · Multiplayer · Action

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

RV There Yet?
Shared: Physics · Funny · Multiplayer

Shotgun Farmers
Shared: Action · Multiplayer · Funny

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

Counter-Strike: Source
Shared: Action · Multiplayer · Shooter

BeamNG.drive
Shared: Physics · Driving · Simulation

Human Fall Flat
Shared: Physics · Funny · Multiplayer

Counter-Strike
Shared: Action · Multiplayer · Team-Based

Apex Legends™
Shared: Action · Multiplayer · Shooter

Half-Life 2: Deathmatch
Shared: Action · Physics · Multiplayer

Battlefield™ 2042
Shared: Action · Multiplayer · Shooter

Paladins®
Shared: Action · Multiplayer · Team-Based

Apewar
Shared: Action · Multiplayer · Shooter

Move or Die
Shared: Action · Fast-Paced · Funny

Pavlov
Shared: Action · Multiplayer · Shooter

Witch It
Shared: Casual · Action · Funny

Goat Simulator
Shared: Physics · Funny · Action

PUBG: BATTLEGROUNDS
Shared: Action · Multiplayer · Shooter

Arma 3
Shared: Action · Multiplayer · Shooter

Blood and Bacon
Shared: Action · Funny · Multiplayer

Wreckfest
Shared: Physics · Action · Driving