| Spoiler warning!|
This article contains the solution to a puzzle! Are you sure you want it spoiled for you?
The solution to Puzzle 22 (APP5).
How to SolveEdit
Within the gameplay footage (originally found on YouTube) there are multiple live action clips of someone playing Dance Dance Revolution. By writing out the steps of that player as through they appeared in game, the arrows spell out letters:
v^ < > v^ <v < > < > < > < ^ < > < > v^ < > etc. v^ v^ < > < > > < > < ^ <v