Overview
If you get stuck on any part in any of the chapters (that’s not Achievement related) you can check through these videos. Most are around 20 minutes except for Chapter 6 which is around 30 Minutes including the End Credits.
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Last I checked there was a bug when you use the bomb at the right time it might freeze the game, fix is to exit game and continue, then try again.