Phantasy Star Online: Blue Burst Cheats

Control loading screen:

When the sparkles appear in a loading screen, press the Cursor Keys to move it around.
Dressing Room:

The Dressing Room is available after you have 3,000 points.
Photon Chair:

Press Down + Left + Right while in a lobby to create a Photon Chair. Press A or D to turn the chair, Down to move it forward, or Right to get out of it.
Ranger Wall:

The Ranger Wall is available in Galleons shop after you have 300 points if you are playing with a Ranger class character.