Prey

Successfully complete the game. Then, select "New Game" at the main menu. The "Casino Mode" option will now appear above the normal difficulty setting. Select thatoption to play the casino games in Jen's bar.

To unlock the first gallery, successfully complete the game under the normal difficulty setting. To unlock the first gallery, successfully complete the game under the Cherokee difficultysetting.

When you reach the Spatial Anomaly Corridors (hallways with all the mirrors on the walls), take the first left then the first right. Walk ahead until you reach a corner, where you must take a left. Walk ahead towards the wall. Look to your left to see a mirror. Walk towards the mirror. Crouch below the bars and approach the mirror. You will see what appears to be a face, made of two health pads for eyes, and a Mutant "slit" door. When you get close enough to the "face," it will say something to you.