Keys:
Player 1: Left - A, Jump - W, Right - D, Grab - S.
Player 2: Left - J, Jump - I, Right - L, Grab - K.
'B' to toggle double-buffering (makes it slower but not flickery).

Title Screen:
Click a button to decide game length, or choose World Cup Mode
S/K to change identity to your favourite World Cup side.
6 to toggle superslimeness.