Spacewar!

Lore & Background

Spacewar! Russell had recently read the Lensman series by E. E. 'Doc' Smith, which inspired the spaceship dogfight concept. The game features two spaceships, 'the needle' and 'the wedge', controlled by human players, maneuvering in the gravity well of a star. Ships have limited ammunition and fuel, and remain in motion when not accelerating. A hyperspace feature allows random relocation but carries a risk of destruction. Initially controlled by console switches, Bob Saunders soon built an early gamepad to improve playability. Spacewar! was later expanded by Dan Edwards and Peter Samson, and spread to many of the few dozen PDP-1 installations. Its public domain code was widely ported to other computer systems, especially as monitors became more widespread.

Reader's Guide

Spacewar! holds a foundational place in video game history as one of the earliest and most influential digital games. Its gameplay—two players controlling spaceships in a gravity well, with limited ammunition and fuel—established core mechanics that would appear in countless later games. The game's public domain code allowed it to be ported to other systems, spreading its influence. In 2007, Spacewar! was named to a list of the ten most important video games in history, forming the start of the game canon at the Library of Congress, and in 2018 it was inducted into the World Video Game Hall of Fame. Its legacy endures as a pioneering work that shaped the medium's early development.

Did You Know?

• The game features two spaceships called 'the needle' and 'the wedge'.
• Bob Saunders built an early gamepad to replace the awkward console switches.
• Spacewar! was inducted into the World Video Game Hall of Fame in 2018.