Simple, fun, and unmatched
So the game is very basic in gameplay. The goal is to hit the other player more than they hit you. Now, there is no computer player to go up against, so you need to find someone to play with. The tank games include a couple different maps, but the variations make it interesting. You can be invisible except when you shoot, have shots bounce off the walls, or have to get a direct shot to score a point. The planes are a little different. You will be in constant motion, but there are no obstacles. Instead, you change direction, speed up and slow down, and shoot your opponent with either a single plane, two planes, three planes, or a jumbo jet.
Fun, just plain fun.