This is great!
It reminds me very much to the original first Ragnarok Online series BGMs, which I liked very much back then, and as I listened to your music some Ragnarok game pics actually popped into my mind :), this really could be in a Ragnarok game. I liked these song so much that I've copied the .mp3 files onto my mp3 player and listened to these when I went to school, this makes it even more nostalgic for me, it was long time ago. (I didn't like all of the songs, but which I liked, I liked them a lot.)
I especially like the double speed snare starting at 0:59, if there would be maybe just 1 or 2 more extra layers of drums, this would be a perfect vgm transition to "Fight-scene"-version of this track, I mean when a video game uses stems as a non-linear background music, and changes the volumes and patterns (FL FTW! :)) according to the players position and state (calm/fight). I don't know how they call this technic in English, I forgot sorry, you know.
I didn't know that THIS is IDM. I never listened or Google-d, or YouTube-d IDM before, actually I don't even know what IDM stands for, but at least now I know that some of my favorite Ragnarok VGMs are IDM. :)
Have a nice day!