[Aleksandar_Zivanovci]

set global variable gGodMode[MAX_PLAYERS];

Код:

if(strcmp(cmd, "/god", true) == 0){
   if(gGodMode[playerid] == 0){
     SetPlayerHealth(playerid, 9999999);
     gGodMode[playerid] = 1;
   }else{
     SetPlayerHealth(playerid, 100);
     gGodMode[playerid] = 0;
   }
   return 1;
}