Awesome, Thank you Kyle07.

@ Herc: Well, I used an "game_player_equip" set on "weapon_knife 1". You are right, that this doesn't exist in CSGO, I can't edit the "weapon_knife 1", its marked with an red colour.
How did I used it for CSGO? This map was created for CSS first in september 2011. I ported and edited this map for CSGO.

So try to create the game_player_equip in Source SDK for CSS, save the map-file and then open the map with CSGO SDK. This should be the way to get it work.

We need to figure out how to script knife arena back into the map. I know in cs 1.6 you could use a player equip entity to strip the player of weapons. :/ but I havent seen this entity in the cs go sdk. :(.

@ sNk_Snake: Both teams have 16 spawns, that makes 32 spawns in total

max spawn player?