Games like Spacewar
Games like Spacewar include Hotline Miami, Arma 3, Broforce, Pixel Gun 3D: PC Edition, and Hotline Miami 2: Wrong Number. We matched them by the tags players give Spacewar on Steam (Action, Simulation, Arcade, Shooter, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Hotline Miami
Shared: Action · Pixel Graphics · Top-Down

Arma 3
Shared: Action · Simulation · Shooter

Broforce
Shared: Action · Pixel Graphics · Shooter

Pixel Gun 3D: PC Edition
Shared: Action · Shooter · Pixel Graphics

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

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

KovaaK's
Shared: Action · Simulation · Shooter

LUFTRAUSERS
Shared: Action · Arcade · Pixel Graphics

WARDOGS
Shared: Action · Shooter · Simulation

War Thunder
Shared: Action · Simulation · Combat

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

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

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

Retrowave
Shared: Simulation · Action · 1980s

Huntdown
Shared: Action · Shooter · Pixel Graphics

FPV Kamikaze Drone
Shared: Action · Simulation · Shooter

UFO 50
Shared: Action · Pixel Graphics · Arcade

Duck Game
Shared: Action · Pixel Graphics · Shooter

Battlefield™ 2042
Shared: Shooter · Action · Multiplayer

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · PvP

Blazing Chrome
Shared: Action · Pixel Graphics · Shoot 'Em Up

ACE COMBAT™ 7: SKIES UNKNOWN
Shared: Arcade · Shooter · Action

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

Warhammer 40,000: Boltgun
Shared: Action · Shooter · Pixel Graphics