|Unlockable||How to Unlock|
|Acquire archive 087 on Kyoya Sudo's stage, Day 3, 03:00||Puzzle Game (PAL)|
|Complete the first 19 missions in the game.||Stage Select|
|Complete every scenario and objectives one and two for all stages.||Time Attack Mode (PAL)|
Contributed By: GLAMPIRE and BolerosCloud.
After you finished the game and unlocked the zuno game, go to the stage where your archive is missing, take it, then in the menu select Back To Title.Then, enter the zuno game and immediately exit. The game should ask you to save on your game file. Save and the archive will be saved also.
Contributed By: abuzor.
Complete the game w/ the 2nd ending & collect all 99 archive items to unlock the 100th item. Go to the Stage Select screen then move the cursor to the upper right corner, and start the movie.
Contributed By: Undergrads2003.