Solve the puzzle and try for the top floor!
First, you'll defeat the zombies with things around yourself, like a kitchen kife.
The uppper floor you go, the zombies become stronger.
Make your health and weapons more powerful with crystals and coins which you can get in the game.
Crystals require payment but you can get some crystals in game!
You can change crystals to coins or your life points.
You can continued if the game is over.
You can change crystals to coins and get when you complete the floor.
You can buy weapons with coins.