Collect all Dead Hungry trophies.
Beat a stage with three stars.
Change the tape in the radio.
Make a burger over one meter tall.
Make a burger worth 2,000 points or more.
Beat 10 stages with three stars.
Beat 20 stages with three stars.
Defeat a Mega Zombie with one burger.
Use the Hannya Mask and Noh Mask in one burger.
Use an egg and the Chicken Wing in the same burger.