California based Punflay has released Rafter HD 1.0, the celebrated physics puzzle on iPad. Rafter HD offers more challenges within the 101 levels. It allows gamers to get the power to unlock and skip levels. Till now, Rafter has been following a sequential process, where the gamer has to proceed to each level in a linear fashion. The developers are keen to pep up the app with more exciting features to attract more users.