If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Defend your platters of food before they're whisked away by a chef. Kill your enemies with stacks of cash, exploding pots, or a cash tornado. Play the chef and ward off the dashing diners. Beware of the bosses!
WASD - to move.
J, K, L - to fire your 3 weapons.
C - Change view.