Thanks a lot! There will be around 50 actual levels for the main story. Not including all of the areas between puzzles where you get to explore a little. We are hoping to have a special area that will be "Kickstarter backer" created puzzles (if you are a backer of that tier). So that could be a lot of fun as well!
The game will first come out on PC for Mac, Windows and Maybe Linux if it doesn't give us any problems. PS4 a couple of months after the PC release.