Here are some tracks I made as part of assignments for an online course I took through ELVTR called Music Composition for Games, taught by the wonderful and well accomplished Jason Graves.

Heroic Pitch Demo Theme
Brian Twohig
Fantasy Game Theme
Brian Twohig
Ambient Experiment
Brian Twohig
Theme for Perfect Dark level
Brian Twohig

The purpose of this final assignment was to take a gameplay video and set three different pieces we had written to it. First a menu theme, followed by a low and high tension track during gameplay, as well as including stingers to transition between these tracks.

Music Composition for Games