hehe:
Turrican
R-Type
http://en.wikipedia.org/wiki/Mayhem_in_Monsterland – Just posting a link as most of ye won’t know it – this was on a C64 remember.
Command & Conquer – Attention to detail.
Last Ninja
Unreal & Unreal Tournament – These are works of art.
Ground Control – Attention to detail.
Half Life