Space Invaders Forever is a collection of three arcade classics developed by Taito. The collection includes Space Invaders Extreme, Space Invaders Gigamax 4 SE, and Arkanoid vs. Space Invaders. Space Invaders Extreme features improved graphics and sound, with 16 stages and boss fights. Space Invaders Gigamax 4 SE offers a new couch-multiplayer experience for up to 4 players with new stages, gimmicks, and music. Arkanoid vs. Space Invaders combines elements from both arcade classics, with players controlling the Arkanoid Vaus paddle ship to defeat waves of Space Invaders. The game offers 150 stages and 40 different characters to unlock from the Taito legacy, each with unique abilities. The game also features offline and online multiplayer for 2-4 players.