"Vortex is a retro styled physics driven local multiplayer top down shooter where the goal is to fly around in neat looking spaceships and kill your opponents by making their lives miserable."
This game is local multiplayer only with split-screen graphics, so bear that in mind before you buy the game. I'm sure there are still people out there who enjoy the local multiplayer experience! - but be aware that currently there is no single-player or online multiplayer mode. Check it out on Steam.