Valhalla Knights

Successfully complete the game and save when prompted after the credits. Load the cleared saved game file. Go to the entrance of the prison and talk to the guard. Select the first response when he asks if you are a true adventurer. The monsters will become more challenging. To have them return to their normal difficulty, talk to the guard again and select the second response.

Note: This trick requires two PSPs with their own copy of the game. Start a Co-op mode game with the other PSP. Complete the game and trade. Send all your items to the other PSP, then quit the game without saving. Your items will all be on the first PSP, while their copies will be available on the second PSP.

Note: This trick requires two PSPs with their own copy of the game. Start a Versus mode game with the other PSP. Offer all your money. Intentionally lose and quit without saving the game. You will not lose all your money, and the second PSP will still have the amount given.

Beat the game and at the end of the credits, you will have a choice to save. Save and load your game. Go to the entrance of the prison and talk to the guard. He will ask if your a true adventurer. Select the first option and the monster will becomes stronger than normal. Talk to the guard again and select the 2nd option to return the monsters to normal.