gc_gametype - enter either a string gametype name, or the numeric index
gc_gametypelist - prints out a list of gametype names and their numeric indexes
gc_gametype_maplist - prints out a list of gametypes, as well as the maps each supports, and whether or not the maps are installed, along with the workshop IDs associated with those maps
gc_randomly_pick_gametype_and_map - defaults to 0 - if set to 1, then there will be no gametype and no map votes, instead the gamemode will pick a random gametype & map for it on it's own
gc_meme_radio_chance - within the range of 1000, set to higher numbers for very funny memes! (defaults to 1)
gc_team_damage - set to 0 to disable team damage (defaults to 1)
gc_allow_gametype_votes - set to 0 to disable gametype votes, so you can have a server dedicated for a specific gametype (defaults to 1)
gc_autopunish_teamdamage - adjust amount of tolerable team damage before an automatic vote kick is enabled (defaults to 300)
gc_invincibility_time_period - set the time after spawn for which each player is invulnerable (for anti-spawn camp purposes, defaults to 3)

as of 1.03 there is a system for automatically updating the server title based on the current gametype and round being played, there are 3 server-side console variables for this:
		gc_auto_adjust_server_name - defaults to 0, set to 1 to enable this system
		gc_base_server_name - set this as the base server name
		gc_insert_to_front - defaults to 1, if set to 1 it will insert the game info in front of the server name

as of 1.04 there is the ability to enable proximity voice chat:
proximity voice chat with 4 variables:
		gc_proximity_voicechat - if set to 1, nearby enemies will be able to hear other enemies speak
		gc_proximity_voicechat_distance - distance in source units within which players will hear other players
		gc_proximity_voicechat_global - if set to 1, everybody, including your team mates and your enemies, will only hear each other within the distance specified by gc_proximity_voicechat_distance
		gc_proximity_voicechat_directional - if set to 1, voice chat will be directional 3d sound (as described in the gmod wiki)

as of 1.09 there are a couple of new console variables:
gc_door_move_speed - controls door open/close speed (defaults to 350)
gc_rounds - controls how many rounds have to be played on the map before a gametype + map switch occurs
gc_afk_timer - controls time in seconds that a player has to remain stationary (no input) for them to get kicked out (time is counted down only while the player is alive)

Gametypes list:
1 - Rush (onesiderush)
2 - Assault (assault)
3 - Urban Warfare (urbanwarfare)
4 - Ghetto Drug Bust (ghettodrugbust)


Supported map list for gametypes:
1 - Rush (onesiderush)
	de_dust
	de_dust2
	cs_assault
	cs_compound
	cs_havana
	de_cbble
	de_inferno
	de_nuke
	de_port
	de_tides
	de_aztec
	de_chateau
	de_piranesi
	de_prodigy
	de_train
	de_secretcamp
2 - Assault (assault)
	cs_jungle
	cs_siege_2010
	gc_outpost
	de_desert_atrocity_v3
3 - Urban Warfare (urbanwarfare)
	ph_skyscraper_construct
	de_desert_atrocity_v3
4 - Ghetto Drug Bust (ghettodrugbust)
	cs_assault
	cs_compound
	cs_havana
	cs_militia
	cs_italy
	de_chateau
	de_inferno
	de_shanty_v3_fix

Server name auto-adjuster (updates the server name based on things like current round and current game type)
    gc_auto_adjust_server_name - defaults to 0, set to 1 to enable this system
    gc_base_server_name - set this as the base server name
    gc_insert_to_front - defaults to 1, if set to 1 it will insert the game info in front of the server name