Spacewar, Space Wars, or variation, may refer to:

• Space warfare, war in outer space

• Spacewar!, a 1962 game for the PDP-1, one of the earliest examples of a video game.
• Spacewar, a Steamworks integration tool/test game, delivered to developers for games on Steam
• Space Wars, a 1977 vector graphics arcade game
• Space War, a 1978 video game for the Atari VCS

• The War in Space (1977 film) Japanese science-fiction film
• Interstellar war

This disambiguation page lists articles associated with the title Spacewar.
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