Well, I don't really have much criticism, I love the 8-bit main theme thing, the vocals are done well..

The breakdown is pretty good and transitions well into the main theme again which is still awesome and gets even more awesome with the super effective melody of the "Synth" track and it works really well in the break leading into the breakdown, lovely as always.

And the main theme is still super duper, I mean, it's such a simple melody but it just doesn't get tiresome throughout the song, improvement-wise though, there's: 1. longer breaks between the choruses could potentially make them more epic when they come back, and 2. making the breakdown-ish thingy at bar 83-90 more 'noticeable'

It's awesome nonetheless, please do inform me if you record it!