- There are 5 keys, but only 4 of them are needed to complete the game
-  There are at least 2 finals.
- There are 2 kinds of dolls: 1 white with a mark (evil) and 1 colored (pacify);
- The marked dolls move;
- The person carrying the keys is the only one (besides AI and players transformed in dolls) who can open locked doors;
- The girl has 2 modes (Calm and Monster);
- The dolls and wood ARE LIMITED.
- If you read the papers, you'll understand the story.