DefendPC Port

Four invaders cross the screen from the right toward your side. Move your base up and down the left edge and fire along your row: the first invader in that row is destroyed for 10 points, and another appears on the right. A shot that hits nothing costs 5 points, so line up before you fire. Several invaders can share a row, and a new one may appear on top of another. Your base turns from red to white after its first shot. Once you pass 500 points the invaders come twice as fast. The game ends as soon as one reaches your side, when the whole column flashes red at the breach. Afterwards you can try again or return to the title.

Controls: Use either joystick. The stick moves the base up and down, and the button fires; holding it fires once. The button also starts the game and answers questions. The keypad is not used.

ColecoVision version credited in the source to Claude (an AI made by Anthropic) for Amy Studio, in Amy, the language by Amy Bienvenu, 2026: a faithful adaptation of the published rules. From COMPUTE!'s Gazette, September 1983, page 120: original VIC-20 program by C. Regena. This is a modern homebrew adaptation, not a commercial Coleco release.