Spacewar! - Wikipedia

File:Spacewar! is alive! (8420887916).jpg - Wikipedia

Spacewar! History - Analogue

Space War I.: The Burning Stars, Board Game

The First Video Game Ever Made: Spacewar!

Data Driven Gamer: Game 1: SpaceWar! (1962)

Space Themed Games for Learning

Chapter 1 EXTRA: Space War for Two Guide

Computer Space - Wikipedia

Spacewar - Sven Co-op Map Database

SuperRetroComputing (SRC) – probably the very first computer game – 1962 DEC's PDP-1 SpaceWar!

Spacewar! History - Analogue

Spacewar GB - GameBrew

Spacewar!' and the Birth of Video Games