You did a really good job covering the song it sounds like a pretty good hq version of the song and i like how you decided to use a guitar instead of a normal synth. In my opinion the guitar added a more tense theme that was needed to the song.but you need to brighten up the song a bit in terms of mastering because compared to the original even though it was pretty much chiptune all the sounds were crisp and stuff this rendition sounds somewhat flat just bring the percussion out more is all im saying. Otherwise good job and keep it up!
Please contact me if you would like to use this in a project. We can discuss the details.