Your first map is oasis, so the line set d_initial "set g_gametype 4 ; oasis ; set nextcampaign vstr d2" should be set d_initial "set g_gametype 4 ; oasis ; set nextcampaign vstr d1" As you starting with the campaign cmpgn_warzone at the moment which doesn't have the oasis map in it that's why its crashing.