Escape From Basement House

A billiard player invites his friend to play billiard in his basement house. On receiving an urgent call leaves out,

informing his maid to ask his friend to stay in a room.

But, unfortunately the maid locks the door by forgetting that the person is inside. After waiting for a long time, the

friend decides to leave since it was getting late for him.

When he decides to leave, he comes to know that the house is locked and no one is home.

Now, the friend has to search for the spare key to escape. Help him in his search.