Challenge your friends to a duel of speed and tactics.
Keep your energy (as shown in the gauge) from running out.
Whoever runs out of energy first loses!
Rotate the large gear, and rotate the pellets on the gear around.
Collect pellets of energy to regain energy.
Send bombs flying to your opponent!
Play with friends head-to-head offline with the Local mode, or send them invites on Game Center with Online mode.
**When you have accepted the invite, just enter Online mode, the match will be started with your inviting friend as the opponent automatically.