This game is a great example of how connecting some assets in a smart way makes game really enjoyable.
Game Design:
Maps are really smart. You really can't just spam LMB to find items, game really requires you to find those "blessed" by light objects. Sometimes I felt kind of repetitive tho, it would be nice if there was some kind of checkpoint system to avoid finding battery for the 26th time :P
Also sensitivity and volume settings are changing on each scene reset. Maybe think about storing them somewhere to avoid that.
Fun:
Oh I had a lot! Game seems simple and tasks to do aren't for big brains :P but I really enjoyed the enviro, music and challanges I had. To make this experience even better I would try to work on movement a bit. It's really fast and it would be nice to add some smooth transitions instead of just going 0-1 speed, it would feel more natural.
Innovation:
I can't say that I found this game innovative, but I don't think it was the point of it. Hmm if you would like to try making it more innovative, I suggest looking at some games references and trying to mix some interesting mechanics or ideas.
Theme:
I have to say that I really like idea with rewinding thorugh your old projects and making them one. It would be cool if there were some examples or hints how they looked like ;)
Graphics:
Really well chosen assets. I would make those red rods have some emission and that would make it look really well.
Audio:
Great music you have picked, same with sounds. Nothing to critisize there.
Great game overall :)