Update #7:

1) Fix bugs during unlocking the Fan Item
2) Fix the Chapter 2 shader issues
3) Make some processes easier in Chapter 4

Update #6:

1) Updated Credits.
2) Fix a bug when showing the end puzzle's title after restoring backup
3) Remove the killer in Domino in World 5

Update #5:

Fixed some unintended solutions

Update #4:

1) "Apophi": Made the fan machine undetachable.
2) "Plagued by Crises": Expanded the scope of the turret's scanning
3) "Domino": Redesigned. The solution is no longer applicable.
4) "Poppy in Tears": Redesigned. The solution is no longer applicable. (The star is getting harder.)
5) Optimized the guided jump area when you go over the fence with a cube
6) Fix a bug when showing the end puzzle's title
7) Add a new music in Epilogue when the cat is free

Update #3:

1) For the "Moonlet" puzzle in Chapter 2, if you failed solving puzzle by offical solution, you will be hinted to ask the Moon for help. The hidden cube exists still. Can you find it?
2) Optimized the visual effect in each level, especially in Chapter 2 and 5.
3) Add a small easter egg in Chapter 1, and it's obvious.
4) In some levels contains a key, if you revisit the level which you already finished, the key will be more easier to get.

Update #2:

1) Remove some strange killers.
2) Updated credits.
3) Add a script in "Split Personality" puzzle in Chapter 5, prevent you from forgetting to press the pressure plate.

Update #1:

1) For the "Moonlet" puzzle in Chapter 2, if the offical solution doesn't work, you can find an extra cube in the "Moonlet" chamber. (This puzzle will be re-designed later)
2) Removed the extra parts from the Crypt model in the hub scene.
3) Some other bugs.