Don't be afraid of thirteens, because it's just a number. However, this terrifying place is too dangerous to stay. Tap on the screen to change the surface and escape sharp blades, sticking out from both floor and ceiling.
Every man afraid of something, but there are people which become pale every time they see number thirteen. for the first time you might think it's not that dangerous, until you see where these thirteens come from. It's a dark and terrifying place full of sharp blades and moving walls. Click on the screen to change the surface and stay far from dangerous things!