From what I heard... You're VERY talented!
I was actually working on an "imaginary game soundtrack" myself, but due to certain circumstances, I stopped.
All of the melodies sound very fitting and I especially liked the unconventionally beautiful "The Battle at Night."
You should have no trouble finding work around here if you're looking for it and honestly, I think you are Nintendo qualified. The melodies are very distinct and have their own... flavor.
What I DO recommend, though, is work a little on your dynamics. The audio can get a little crusty when it's loud. Also, the instruments used (and I mean no offense, just advice from a fellow composer) sound a bit cliché'. Never be afraid to experiment with odd or wacky instrument combinations for certain styles. IT just seems like you were playing it a bit safe. That's not a bad thing, though. Also, I may just be forgetful, but I think most of the works were in 4/4 or 6/8. Try to brach out a little bit. Listen to John Powell's "Death and Transfiguration," which uses a cool 3/4 time to portray a hero's struggle. Other than that, VERY good stuff! Even made me close my eyes a few times!
Also, your "237 Years" pitch seems like a wonderful idea (this is coming from a current film student).