Oh it's because the bench is lying. You need to pass each level without failing, if you fail a level, it count as you "lost" the minigame. The fact it start

Oh it's because the bench is lying. You need to pass each level without failing, if you fail a level, it count as you "lost" the minigame. The fact it start to get a score means it managed to get a 100% score on one of the minigame.