Incredible!
This is a really great game all around. The artwork is gorgeous, the music fits well, the gameplay is awesome, and the story is interesting. I liked the other games in the series too, but this one is a big improvement.
I did run into a bug on the puzzle level (I got stuck on the side of a pillar, where I should have fallen off, but couldn't move) but it went away when I refreshed and didn't affect the game too badly, and that was the only glitch I came across. The only other suggestion I could make that might help is to watch the spelling, which only was a problem in the final climactic cutscene, when Network yelled "What is this rubbish!" the 'rubbish' was misspelled, which jarred me out of the story a bit. If the rest of the game wasn't so well-constructed and well-written, it probably wouldn't have been as jarring, but it seemed very out of place.
Excellent job overall, and now I'm going to go back though and get all the music tracks.