DJMax Portable: Black Square

DJMax Portable: Black Square
Developer: Pentavision Publishers: Pentavision (KR), CyberFront (JP) Platform: PlayStation Portable Released in JP: March 22, 2012 Released in KR: December 24, 2008 This game has anti-piracy features.

DJMax Portable: Black Square is a rhythm action game, it added various enhancements built on from DJMax Portable 2 and DJMax Portable Clazziquai Edition.

Anti-Piracy

To do: Shorten the video to only show the Black Square section.

The game performs two checks to detect if a game is being played on a real copy. upon startup, the game checks the directory ms0:/PSP/ISO on the inserted Memory Stick regardless of owning a real copy of the game or not. If the directory is detected on the inserted Memory Stick, The game will delete certain ISO files on the ISO root of the Memory Stick before quitting the game.

As with most DJMAX Portable games in the series after DJMAX Portable International, The game will perform an additional check on a real UMD drive to ensure if the game is present. if it is not present, Then after playing the game for a few minutes, the anti-piracy will; Add the crackles to the background music before becoming a distorted high pitched sound, randomize the playback speed of the keysounds and SFX audio, and flicker the graphics list to randomly skip drawing textures which causes the screen to flash rapidly. After attempting to change the song one or two times, It will lock up the game.