Current MobyGoal: Help us reach 250 documented ZX81 Games
Yet another colour change
A game in progress
Defending your cities!
The game in black and white mode
Atari logo and game title
Title screen and game options
Watch out for those planes, they can be trouble!
Protecting my few remaining cities
Blasting incoming missiles
Try to blast that enemy satelite
One of my cities has been destroyed, better defend the rest carefully
Watch out for that tricky smart missile
The enemy goes all out in later levels
Each level begins by showing the point multiplier
My missile base has been destroyed, now I'm in trouble
Menu (Colour monitor)
The first slow waves
Lots of action and a satellite
The town is basically gone, but at least some bonus points after the level finish
Level 1 (Monochrome monitor)
Due to the higher vertical frequency (70hz monochrome, 50Hz colour), the game runs overall faster than on colour monitors
And also longer distances have to be covered
The oldest and most comprehensive game database. Information, credits, reviews, screenshots and more covering 145 video game platforms from 1971 to date!
MobyGames™ Copyright © 1999-2014
Blue Flame Labs. All rights reserved.