BBC Micro - ELITE (frequent user of the keypress cheat to drop into a Thargoid ambush - and why would anyone WANT a barely survivable encounter with the Thargoids - it was profitable to both your credits and your rating, lots of kills, and lots of Alien Items - 60+Cr a go, and used no cargo space)
On a borrowed C64, favourite game was PARADROID
http://search.yahoo.com/search?fr=sl...-8&p=paradroid - Like many, it's been remade several times for PC