Achievements
Episode 1 secret floor
In first floor in room where floor 2 elevator is turn right and search the wall to find hidden room Search walls until you find elevator to floor 10
Secret level 10
Go to the end of the first level Instead of going through the exit turn right and open a secret door in the corner of the wall Then turn 90 degrees to your right to open another secret passage At the end you will find the elevator to level 10