Here's the real MVP tip.
You can replace the files within the game to change what levels load.
Level 0 - Loading screen
Level 1 - Menu
Level 3 - Mei Puzzle
Level 4 - DVA Puzzle
Level 5 - Widow Puzzle
Level 6 - Mei CG
Level 7 - DVA CG
Level 8 - Widow CG
Levels 2/9 seem to be the get all three CG.
I recommend deleteing Level3, Level4, Level5. And renaming Level6 to Level3, Level7 to Level4, Level8 to Level5. This makes so that when you try starting up the puzzle, you go to the CG. I might of gotten some of those numbers wrong, but you get the point.