Here is what the game includes:
-35 levels
-24 cut scenes
-Day/Night Cycle (tied to clock, can be turned off)
-3 mini-games
-Other Extras
-Save Game/Load Game
There might be some slow-down on some of the first few levels so switch to low detail from the pause menu (not low quality, low detail changes the graphics). It'll help out in those spots where the game really slows down. And if you ever feel like the game is too dark change the Day Time to something more light