Another great game with strategy, upgrading, crafting, and most of all FUN! Also, Backflip knows exactly how to do IAP and how not to! You are free to go back and re-do levels as much as you want to find items and collect gold for forging. Only dieing costs lives and can limit progress. However, re-doing levels to get more powerful items to help keep you from dieing isnt restricted in any way and although you can die in re-doing a level, it is very unlikely especially after completing it a few times. Again, awesome fun with puzzle levels, upgrades, and crafting. Great Game !!