This map has a discussion topic which can be visited here

This my first map of obj map
the word m2p mean
<B>1 map 2 playstyles</B>
PLEASE give comment after playing, no whether it's good or bad
and I promise i'll make my best

To activate dm mode, just switch your HL2DM game mode to
<B>Deathmatch</B>
then the dm mode will automatly activate

To activate obj mode, just switch your HL2DM game mode to
<B>TeamDeathmatch</B>
then the obj mode will automatly activate.

Try searching around the map, new weapon, new vehicle you will
discivered. And player must first read the instruction web page to play this map well.

ps: better try obj mode, for dm mode it still some buggy
but you can be more familar with the map in dm mode, because
access are free in dm mode!