You are one of the few surviving in the zombie apocalypse. You currently live in an abandoned apartment on the top floor. You’ve been trying to find a cure for the zombie virus.

A few days ago you caught a zombie and trapped it in your apartment to experiment on. Luckily for you, they seem to tired to attack you. They’re locked in your bathroom. The bathroom door is unlocked but they’re just to brain dead to know how to open a door.