Rules:
The old known Nibbles game: you control a snake that grows as it eats fruits. The differences from classical variant is: you don't die when you hit the obstacle, just get shorter. The interest of the game instead is to play against someone. Choose a field size and hit "Create" to start.
Controls:
1st snake - arrow keys
2nd snake - w,s,a,d
Fruits:
Gray: -10
Red: +1
Yellow:+10
Orange:+15
Purple:+25
Something else: Teleport