Both players have 100 HP, first to 0 HP loses.
Each turn, players choose an action simultaneously.

There are 4 possible actions on each turn: Strike, Block, Grab and Ultimate.

- Strike beats Grab.
- Grab beats Block.
- Block beats Strike and Ultimate.
- Ultimate beats everything except Block.

If both players choose the same action, they both take damage.

You gain 1 charge of Ultimate only when you successfully Block or Grab.
At 3 charges, Ultimate becomes available.

Sudden Death: If both players reach 0 HP on the same turn, both revive at 1 HP with 0 charge. This can happen up to 5 times.

Turn limit: 20 turns max. If no KO, highest HP wins. If HP is tied, the player who dealt the most total damage wins. If everything is still tied, a coin flip decides.