Awesome Music (Web Games)

The site Notessimo happens to have a fanbase that seems to be made of Genius composers. Here is a list a few to get you started.
- A man that goes by the name "Starwars" (who changes his name a good amount has made some of the more popular songs. "Building full of experiments" is one of them. He has his own forum thread for his songs.
- Roastmasters is another Mozart of the site. "Rise Of Credence", "On The Moon", and "Field of Theories" Are his most famous songs. Thread here.
As if "I Just Can't Wait to Be King" wasn't Crowning Music of Awesome already, take a listen to this chiptune rendition of it. Then ponder the fact that this particular mix comes from a bootleg cartridge.
- Broken link.
Sonny is a flash game that has simply mind blowing music. Epic hardly begins to describe it. Just listen to the the battle music or the boss battle music and see for yourself.
- Aftermath between fights, and Aftermath 2 for the second game. Just to name a few more.
To varying degrees, all eight tracks from the flash game, the Arrow of Time
The online Flash game series MARDEK RPG has some pretty sweet music, especially for the battles. You can listen to it on its website here.
Erasure's "Always (2009 Mix)", used as the background music to Robot Unicorn Attack, to absolutely wondrous effect. Warning: Ear Worm ahead.
- Pink and black versions of RUA.
The flash game Coma has music that is both awesome and touching at the same time.
Epic Battle Fantasy 3 has plenty of this. Whether it be battle themes, from the standard battle music, Wings, to boss musics like Rave v2 and DiVINe MaDNEss, or overworld themes, like Estavius for the nameless town, or Sisters of Snow Dissent for the Slippy-Slidey Ice World. Even the music on the title screen, which most players will spend no more than a few seconds on, is amazingly beautiful: That We Have Lost And Forgotten.
The BIONICLE Music from the Mata Nui online game.
How about the ending theme of You Have to Burn The Rope? And now you're a hero...
Cartoon Network's online games have some pretty good tunes. Check out Sky Stacker.
The battle theme from The Room Tribute is pretty good.
All the music from Age of War is absolutely epic.
The Winter Garden music from Sub Machine 7: The Core is beautiful.
All 17 songs from the flash game Starwish, especially this one.
Every song in Symphonic Tower Defense. Every. Song.