I tried to use
game_type 6; game_mode 0; map dz_blacksite;or
game_type 6; game_mode 0; changelevel dz_blacksiteand
game_type 6; game_mode 0; changelevel dz_blacksite; sv_dz_team_count 2; sv_dz_jointeam_allowed 1; sv_dz_autojointeam 0; sv_dz_player_spawn_armor 1but the game ended right after the map loaded
Reset to default