The ticket on the left shows the burger bottom to top, with a number next to every layer.
Press them in order: 1 bun, 2 patty, 3 cheese, 4 lettuce, 5 tomato, 6 pickles, 7 ketchup.
Sides can be made any time: 8 fries and 9 cola, 3 presses each.
Mistakes cost time and reset your combo. Clean orders in a row multiply your score.
Esc pauses the game.