You certainly capture the mood very well in this piece. :)
Your instrument choice is good. Mixing could use work. The "lead" instrument stands out a little too much. I think a little reverb would possibly help it fit in better. That or maybe adjusting levels a bit.
Now while the song loops very well, I do have a problem with the song is that it is very... flat? There aren't any parts that stand out from the rest, and as such the piece is kind of monotonic in the mood and could use a secondary theme.
Otherwise, you're still making great music! :D
Keep it up!
~Phyrnna ^_^ <3