Games like Ultra Mission™
Games like Ultra Mission™ include BALL x PIT, Sky Force Reloaded, Planes, Bullets and Vodka, Hotline Miami, and Bit Blaster XL. We matched them by the tags players give Ultra Mission™ on Steam (Action, Arcade, Shooter, Shoot 'Em Up, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

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

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

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

Hotline Miami
Shared: Action · Top-Down · 1980s

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

Hotline Miami 2: Wrong Number
Shared: Action · Top-Down · Pixel Graphics

Halo: Spartan Assault
Shared: Action · Top-Down Shooter · Shooter

Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade

LUFTRAUSERS
Shared: Arcade · Action · Shoot 'Em Up

Huntdown
Shared: Action · Shooter · Shoot 'Em Up

12 is Better Than 6
Shared: Action · Shooter · Top-Down Shooter

Alex Jones: NWO Wars
Shared: Action · Arcade · Shooter

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Top-Down Shooter · Shooter

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

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

Vampire Survivors
Shared: 2D · Arcade · Action

Crimzon Clover World EXplosion
Shared: Action · Arcade · Shoot 'Em Up

METAL SLUG
Shared: Action · Arcade · Shoot 'Em Up

ARCADE GAME SERIES: GALAGA
Shared: Action · Arcade · Shoot 'Em Up

ZeroRanger
Shared: Shoot 'Em Up · Action · Arcade

Kill The Crows
Shared: Action · Arcade · Top-Down Shooter

Broforce
Shared: Action · 2D · Shooter

METAL SLUG X
Shared: Action · Arcade · Shoot 'Em Up

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