AD move left / right
W jump — hold at the top for a block
S dive on the ground, spike in the air
SPACE serve
P pause M mute
◀▶ move left / right
JUMP jump — hold at the top for a block, and serve
SPIKE dive on the sand, spike in the air
Super throws fire on their own: charge one by hitting an orb, then
just play the ball as normal.
Second local player: arrow keys, with ↑ to jump and ↓ to spike.