I don't see this as a good deathmatch map. It's really annoying and the rooms aren't suited for killing each other.
Apart from that theres no detail at all, everything is really bold and simple.
Liked the bouncing room wich reminded me of a really good fight in Serious Sam: Second Encounter.

Max: Deathmatch maps are NOT linear.
Trim textures are called trims, because they are used to trim stuff.
Not to fill walls and floors.

That jumping room would make a fun little gimmik map itself (though that has been done already).

I advise you to take a look at the good maps, and see what makes them look like maps. There´s no problem with unusual ideas, but they must work. And they must be somewhat appealing to the eye.

Sorry, it's just my 3th sauer map, and i'm a noob...
I've never said it's a DM map !