Valve the company behind the games such as Half Life and Half Life 2 is located in Bellevue, Washington. They are a exciting and dynamic company well known for picking up mods as retail games and welcoming budding game designers to there head office for tours.
Dm_barricadebox is a map with a box with barricades in it. Simple! has a limit to about 18 players. It might not be good but it was perfect in my vision. A Counter-strike Source map. Have fun!