1st nice map :D, even its a metl4 mod D:!
2nd u should try to use different lights. u added those lighttexture with different colours (like metl4 has) but u havent added a "fitting" light with it D:!
3th u should add the name of map and author, press /mapmsg "map" to do that.
4th this map is actualy very narrow, i think it would be bad because of rockets D:.
5th the jumppad u added could be less strong, maybe 15 0 0 0 0 would already do it.
6th the geometry looks sumtimes, a bit strange, even i think insta 1 on 1 or 2 on 2 wouldnt be bad on it :D!
7th detailing, some texturecombinations r a bit strange, they dont got "dept". would be nice if u would make they give a better 3D feeling (like grid them).
8th anyways, nice map :D!
please improve geometry, detailing and light to get 4/5. If u add mapname and author, improve the small rooms and jumppad, then 5/5! So at this moment, 3/5