Stick Soldiers 2

Stick Soldiers 2 is a keyboard-based, side-scrolling deathmatch shooter in which players control a pencil-drawn stick soldier with various weapons—ranging from the Uzi to the Grenade Launcher, Sniper Rifle, and Flamethrower—to destroy other stick soldiers in their attempt to reach the specified frag limit. [More info at Wikipedia]

The game: http://www.andrewrussellstudios.com/wsu/