GLtron 

You steer a futuristic bike, called lightcycle. Combat takes place in a rectangular arena. Your bike leaves a trail behind, which is like a wall. The goal is to force the other players to drive into a wall. The winner is the last player alive.
tron race grid lightcycle lightcycles bike bikes split-screen

Adorage Magic 

THE giant effect collection for every use in video editing and DVD production. Perfect professional and awesome effects such as transitions, picture-in-picture, framework comositings, motive effects, smoke, particles, optical reflections, Splitscreen
adorage video effects transitions composites edit fx plugin dvd authoring editing svcd adobe

Scudden Death 2 

A real-time 2D war game. You can play singleplayer missions and multiplayer splitscreen. You can even add additional levels and missions created by yourself or others, and generate random missions on the fly, using the in-game mission generator.
2d shareware game split screen war units singleplayer single player multiplayer multi player real time real-time realtime