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About game
Find your way through 10 hallways and spot the differences in each environment. The first hallway (0) is the starting point — remember it well. In the next hallways, count the changes you see and go through the door. If your guess is correct, you can proceed. If not, you have to start again.
How to play
Keyboard:
W, A, S, D – move in different directions;
Space – jump.
Mouse – look around.
Mobile:
Slide your finger on the left side of the screen to move;
Rotate the camera with a swipe on the right side of the screen.