To see a special Thank You "Along with some awsome music" during the Quest "Seat Of The Quest being one the longest and difficult quests in the game you can get a Thank You from the creators of said quest. The get this do the following.
1. Get through Control Tower and arrive on the beach.
2. Talk to Elly. She will ask you to wait at the Pioneer 2 for Her.
At this point a Portal back will open up but do NOT go in. Instead follow her as she starts to walk away she will go to a different portal that leads to Pioneer 2 but once again do NOT go in this one either. She will say "I just want to stay alittle longer im so sad" or somthing along those lines. At which point a great In-game cutscene will take place showing your character and Elly watching the Ocean. Then a message will appear on the screen -Impossible to miss- and it will give a thanks from the developers and a Credit Roll for this Quest.
Note: This optional bonus does nothing for your character or storyline that i know of, but its great to actually go through the whole quest.
To unlock Hard Mode beat the game on Normal. To unlock Very Hard Mode, beat the game on Hard Mode. To unlock Ultimate Mode, Beat the game on Very Hard Mode.
In order to unlock these difficulties online you must achieve Level 20 for Hard, 40 for Very Hard, and 80 for Ultimate.
If you beat a difficulty in either episode it will be unlocked for the other episode also.
In some quests, passageways are walled off using barriers (debris, rocks, etc.) rather than locked doors. These barriers can be passed through with a little patience. Walk up to the barrier in question until you are as close as possible to it; to save time, try and find the spot where the barrier is closest to the wall. Face the barrier, centre the camera behind your character, then cast Ryuker or use a telepipe. Head back through the portal, then turn around and come back. As your game loads in, hold forward on the analogue stick.Your character will inch forward very slightly into the barrier, as the game allows you to move briefly before spawning your character and the barrier. Cast Ryuker/use a telepipe again and repeat the process. It will likely take several dozen telepipes/Ryukers before you make it all the way through the barrier, but eventually you will emerge on the other side.Using this method, you can reach areas players were never meant to access. Most of these are empty rooms with nothing in them, but some areas have enemy spawns. Easily the most lucrative area to access with this glitch comes in the Caves in the Letter from Lionel quest; using this glitch, you can access an area filled with Poifully Slimes, allowing easy farming of an enemy that typically does not spawn in high numbers.