Games like Gun Game
Games like Gun Game include Brawlhalla, Pizza Tower, Sonic Superstars, Broforce, and Stick Fight: The Game. We matched them by the tags players give Gun Game on Steam (Action, Casual, 2D Fighter, Platformer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Brawlhalla
Shared: 2D Fighter · Casual · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Sonic Superstars
Shared: Action · Platformer · Casual

Broforce
Shared: Action · Platformer · 2D

Stick Fight: The Game
Shared: Action · 2D Fighter · Casual

Cuphead
Shared: Platformer · 2D · Action

BattleBlock Theater®
Shared: Platformer · Comedy · 2D

KarmaZoo
Shared: Action · Casual · Platformer

Twin Shot Deluxe
Shared: Action · Casual · 2D Platformer

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Sonic Origins
Shared: Action · 2D Platformer · Platformer

Vampire Survivors
Shared: Bullet Hell · Casual · 2D

Sonic Mania
Shared: Platformer · 2D · Action

Stick It to the Stickman
Shared: Action · 2D Fighter · Platformer

MARVEL Tōkon: Fighting Souls
Shared: Action · Casual · 2D Fighter

Super Meat Boy
Shared: Platformer · 2D Platformer · 2D

Your Only Move Is HUSTLE
Shared: Action · 2D Fighter · 2D

SANABI
Shared: Action · 2D Platformer · Platformer

ANTONBLAST
Shared: Action · 2D Platformer · 2D

Rivals of Aether
Shared: 2D Fighter · Platformer · Action

Bopl Battle
Shared: 2D Fighter · Action · Cartoony

LEGO® Brawls
Shared: Action · Casual · Platformer

Gravity Circuit
Shared: Action · Platformer · 2D Platformer

Bing in Wonderland
Shared: Casual · 2D Platformer · Cartoony

