JSW, by Matt Smith, is possibly the most addictive game I've ever had the pleasure to own. It was basically a mansion that Willy bought after finding all the treasure in his previous game, Manic Miner. The point to JSW was to ...
Jetpack was a computer game for the ZX Spectrum by Ultimate Software (which later became famous as RARE) where you had to guide a spaceman round an alien planet picking up pieces of his spaceship and assembling them. Sounds pretty simple ...