As the earth discovered by aliens, they were friendly but humans thought that was an invasion. Painful experiments started on "Ozyasu" who is the captain of Alien spaceship. Ozyasu should escape from the earth before their secrets are solved, however, AREA 51 is a maximum security facility and designed to do experiments on aliens.

They know that even if they escape from this well-protected prison, they will be killed as soon as they are detected. So they have to be very careful. The thing that humans don't know is Ozyasu is able to capture the human body and control it, but it is never enough because there are many security puzzles to be solved even if it captures the human body in the area. There will be many puzzles to solve and many doors to open on their way.

In this game, where mystery and excitement never diverge, only those who can cope with stress and show their skill with cold blood will be successful, for others, the inevitable end is very close. Keep your secret and survive in this story-driven first-person stealth, puzzle-solving game.

Capture the body: Be one of them. Think like a human to solve a mystery.

Hack the system: To pass the security mechanism.

Make your escape: Play carefully, use stealth skills.