@ptek
Turrican II is also a must
That's what I thought before I even open the thread, you've got great taste. One of my favourite parts is the side scrolling shooter section got to be some the fastest scrolling I've seen in a game.
@ivanjpm
Here's a few.
Chaos Engine
Gods
Magic Pockets (I love the way the power up system works)
Speedball 2
Canon Fodder
Sensible Soccer (any version)
Alien Breed (any or all versions)
The Settlers
Populous
Syndicate
Walker
