Cheat mode: Enter one of the following passwords, then choose the "Start" option to display a cheat menu with unlimited lives, play as monster, and level select options: Left, Up, C-Down, C-Left, C-Right, C-Up, C-Left, Down C-Down, Up, C-Up, C-Left, C-Up, Left, C-Down, C-Left C-Down, Up, C-Up, C-Left, C-Right, Left, C-Left, Up C-Down, Up, Left, Down, Down, C-Left, C-Left, C-Right Level - Password 2 - Up, Down, C-Up, C-Down, C-Up, Down, Left, C-Right 4 - Up, Left, C-Up, C-Down, C-Up, Left, C-Up, C-Right 5 - Up, C-Down, C-Up, Left, C-Up, C-Left, C-Down, Left 9 - Up, Right, C-Up, C-Down, C-Up, C-Up, C-Right, C-Right 11 - Down, Left, C-Up, Down, C-Up, C-Right, C-Left, Up 13 - Down, C-Left, Right, C-Down, Up, C-Down, Down, Up 14 - Down, C-Down, C-Right, C-Left, C-Up, C-Up, Left, C-Up 16 - Left, C-Left, C-Up, C-Left, C-Up, Down, C-Right, C-Left Hint: More inventory items: Each time a weapon is upgraded, the items in the inventory will increase by five.