IK+

Change sun's reflection:
Press [Asterisk] to alter the sun's reflection in the water.

Change sky and water color:
Press D + E + M + O.

Change background color:
PressC + O + L.

Instant recovery:
Press [Shift Lock] to pause game play after being knocked down.
Press any key to resume game play already standing.

Speed Select:
Press a key from 1 (fastest) through 5 (slowest) to adjust the game speed.