Zewm is basically Tron created in Java.
It was the first real-time game I created using a programming language back in 2006.

Controls:
Player 1: WASD
Player 2: Arrow Keys

Key Features:
 - Multiplayer!
 - Make your own maps! (replace images/1.bmp with your own image)
 - No menu system!
 - Requires application restart when one player wins.