Some kind of army marching, a dark planet with those spider-people marching over it, a few bits of terrain from a few different planets, 3 players (terran, protoss, zerg) stood back-to-back at the end?
Ha I got ya with that
Well Maybe I will create some terrain, but it will be for horror movie just like:
Some dudes running from rain find some abandoned house and...
Start Outside -> Some Damn Dark House -> basement -> passage to dungeon/underground -> AAAAAAAA