Games like Comet Clash
Games like Comet Clash include Planes, Bullets and Vodka, BALL x PIT, Halo: Spartan Assault, Cyberhunt, and 12 is Better Than 6. We matched them by the tags players give Comet Clash on Steam (Action, Arcade, Shooter, Shoot 'Em Up, and 2D): closest matches first, and among equally close ones the better-known games.

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

Halo: Spartan Assault
Shared: Action · Shooter · Singleplayer

Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade

12 is Better Than 6
Shared: Action · Shooter · Singleplayer

Bit Blaster XL
Shared: Shoot 'Em Up · Shooter · Arcade

Sky Force Reloaded
Shared: Arcade · Shoot 'Em Up · Action

A Dance of Fire and Ice
Shared: Arcade · Singleplayer · 2D

Revolution Ace
Shared: Action · Shoot 'Em Up · Shooter

LUFTRAUSERS
Shared: Arcade · Action · 2D

Nova Drift
Shared: Shoot 'Em Up · Arcade · Shooter

Cube Destroyer
Shared: Action · Arcade · Shoot 'Em Up

METAL SLUG
Shared: Action · Arcade · 2D

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

Star Saviors
Shared: Action · Shoot 'Em Up · Arcade

BioShock Infinite
Shared: Action · Shooter · Singleplayer

Zombotron
Shared: Action · 2D · Shooter

Just Cause™ 3
Shared: Action · Shooter · Singleplayer

Half-Life 2
Shared: Action · Shooter · Singleplayer

Banana
Shared: 2D · Singleplayer · Arcade

Exit the Gungeon
Shared: Arcade · Action · 2D

Titanfall® 2
Shared: Shooter · Action · Singleplayer

Ikaruga
Shared: Arcade · Shoot 'Em Up · Action

Call of Duty®: Black Ops III
Shared: Action · Shooter · Singleplayer