User:Poss/Books/zap

A brief history of shoot 'em ups

 * Shoot 'em up
 * Level (video gaming)
 * Power-up
 * Boss (video gaming)
 * Spacewar!
 * Space Invaders
 * Defender (game)
 * Tempest (arcade game)
 * Xevious
 * Commando (game)
 * Gradius
 * Space Harrier
 * Ikari Warriors
 * Uridium
 * R-Type
 * Xenon (video game)
 * Batsugun
 * Geometry Wars