Prey

Unlock Concept Art Galleries Complete the following difficulty setting to unlock the corresponding Concept Art gallery. Unlock Gallery 1:Complete Normal Difficulty Unlock Gallery 2:Complete Cherokee Difficulty Unlockable Difficulty Levels Unlock Casino Mode:Complete the game on Normal difficulty setting to unlock Casino mode. In Casino mode you can play the casino games in Jen's Bar. Unlock Cherokee Mode:Complete the game on Normal difficulty setting to unlock the Cherokee difficulty setting