Setup: After deploying fleets, assign 1 objective token to each ship.
Special Rule: The first time a ship performs an attack against another ship, discard the attacker's objective token. If the attacker belongs to the first player, he adds 2 red dice to the attack pool. If the attacker belongs to the second player, he adds 2 dice, each of any color, to the attack pool.
End of Game: each player increases his final score by half the fleet point cost of each enemy ship in the play area that has at least 1 damage card, rounded up.