# Pump it Up The O.B.G: The Season Evolution Dance Floor
This document collects various information about the game itself.
## Trivia
* Release: September 2000
* Korea exclusive
* First version to feature the `Crazy` game mode
* 14 new songs, 1 new remix
* First game to introduce a non-unlockable songwheel
# Game modes
* Easy
* Hard
* Crazy: Must be unlocked [using a code](#crazy-mode)
* Double
* Non-stop remix double: Needs to be unlocked [using a code](#non-stop-remix-double) which needs to be entered on the
non-stop remix screen.
* Battle: When player 2 joins in the mode select screen, battle mode becomes visible by replacing double mode.
When the second player joined by also pressing the center panel, battle modes is available on the mode select screen
instead of double.
## Unlock and modifier codes
All codes must be entered in the song select menu (after selecting easy, hard, double, non-stop remix or battle) except
the [non-stop remix double code](#non-stop-remix-double). When a code was entered successfully, a sound effect is
played. For some modifiers, an icon is also displayed on left side of the screen for player 1 and on the right side of
the screen for player 2.
### Velocity 2x
Arrow scroll speed 2x the BPM.
### Velocity 4x
Arrow scroll speed 4x the BPM.
### Velocity 8x
Arrow scroll speed 8x the BPM.
### Vanish
The arrows vanish before reaching the target at the top.
### Mirror
All steps are mirrored along the "x axis", i.e. arrows
 <-> 
and
 <-> 
are switched.
### Synchro
???
### Couple
???
### Random step
Randomizes the step chart.
### Cancel
Clear all modifiers previously enabled.
### Nonstep
Hide all steps.
### Union
???
### Random Vanish
???
### Random Speed
???
### Non-stop remix double
Must be entered on the non-step remix select screen.
### Crazy mode
Must be entered on the mode select screen. When entered successful, the "Non-stop remix" panel is replaced with "Crazy".
