Is probably worms.

I know its old, but i've just been playing it on my psp, and god its great! I debated making a team leaders team to shoot up after the pants jobs me and my colleague were given to do (some small satisfaction however that I handed in my notice last night yay!) but decided against it, instead i went for "Positive":
Worm 1 - Good
Worm 2 - Great
Worm 3 - Yay
Worm 4 - Whooo

They were trounced by "Star Worm" controlled by me
Annelid Wormwalker
Worm Solo
R2 DWorm
Obi Worm

I'm such a geek