Nice chiptune approach for this jam, the structure is good and it gets pretty addictive. You also introduced melody development, which is good and keeps the track from getting tiring to listen at.
Now what I think lacks most in your track is melody impact. Your melody doesn't seem to have a clear direction, and seems sort of random at moments, and the overall track hardly builds any tension or emotion related to battle or a weapon. I'd recommend introducing other harmony elements or other instruments, although I'm not that well versed in chiptune to say for sure what would be best here.
Keep up the good work!
Melody clarity 5/5
Melody impact 1/5
Composition 3/5
Listenability 2/5 (The track is very repetitive overall)
Correlation to theme 1/5