The Hobbit Cheats

At the end of each level, you will be taken to the vendor. Here, you can buy upgrades for your rock bag and medicine chest. Each affects your carrying capacity. The upgrades are as follows:
Rock Bag

Defeating Smaug:
The Ring will be no help you have to stay behind debris until all of the fires are gone. If you take one step out you will die even though it appears he has stopped there is still fire there.
Saving Beorn:
Push four different blue barrels located around the area in order to save Beorn on the last level.
Follow the Courage Crystals without stopping to
fight and use the ring when you encounter enemies to advance quickly as you are being timed.
Wine bottle riddle in Lake Town:
Get all 5 wine bottles in Lake Town and Malloc will tell you a riddle about how the bottles are arranged. The following is the order:
1. Yellow Wine Bottle
2. Blue Wine Bottle
3. Red Wine Bottle
4. Black Wine Bottle
5. Purple Wine Bottle

On the last level when you meet Liana, she will start fighting the Goblins. There will be an unlimited amount of them. If you need to level up, stay there for awhile and collect all of the courage points.

Early in the game you will meet a man that says his house is infested
with rats.Go to his house and immediately go to a hole in the wall.
Inside the rats hide when you go near if you hit where they hide they
come out after that. After that room go to the back and get the rats
there go to the middle room and get them. Now your done.