When you beat story mode, you unlock 2 new features: A sound test, and another story.
Sound Test lets you play all the tunes from the game, while watching a dance robot grooving to the beat.
Another Story is a very short mode that lets you redo some of the love scenes from the main story, but instead of wooing the main love interest, you are now a robot trying to woo the rival girl.
Beating certain scenes allow you to play new games in Time Attack/Survival challenge mode.
Normally you have to get 55555, 77777 or even 88888 Love points to get these gloves.
You have to complete the Snowball fight in the story.
You have to beat the Eye in story.
You have to complete Snowball Chase in the story.
You have to complete the same game in the story.
You have to complete Disk in the story.
When you beat easy mode you get the ninja gloves,the ninja costume,the ninja hair,and the ninja shoes.
When you beat hard mode you get the angel hair,the angel costume, and you also get the love mage costume,love mage shoes,and the love mage hat, and when you beat another story (unlocked after beating easy mode) you get the skiing costume and shoes.
There are 3 difficulties that can be unlocked: Hard, Hell, and Heaven.
On your birthday Christmas, or at new year the girl wishes it to you for that day.
Press Down+Y in the title screen, you will be able to record your voice for 3 seconds. Press Down+Y in the title screen again to play it.
Hold [Down]+[Y] to record yourself speaking on the main menu. You may press [Down]+[X] to replay your voice message.