foreach (PhotonPlayer playersInRoom in PhotonNetwork.playerList)    
       {
        /*if(GUILayout.Button(playersInRoom.name))
        {
           
        }*/
       }
       playerSelect = GUILayout.SelectionGrid(playerSelect, playersNames, 1);///////////выбор  игрока

bool ok = true;
foreach (bool a in List)
{
     if (!a) ok = false;
}

if (ok) ...

for(p=0;p<playersInRoom.Length;p++)
        {

         ArrayList trueGO = new ArrayList();
         trueGO.Add((bool)playersInRoom[p].customProperties["rdy"]);
         if(!trueGO.Contains(false))
         {
          load=true;
          Hashtable someCustomPropertiesToSet = new Hashtable() {{"load", load}};
          playersInRoom[p].SetCustomProperties(someCustomPropertiesToSet);
         }
        }

using UnityEngine;
using System.Collections;

public class myContains : MonoBehaviour {
     public string[]   playersInRoom = {"Петя", "Миша", "Петро", "Василь", "Монстр", "Зомби", "ХСГ", "ДД", "ПолныйП"};
     public bool vari;
     // Use this for initialization
     void Start () {
      for (int p=0; p<playersInRoom.Length; p++)
      {
       ArrayList trueGO = new ArrayList();     
       if (Random.Range (0,10)>5)
       {
        vari = true;
       } else vari = false;
       trueGO.Add(vari);     
       if(!trueGO.Contains(false))     
       {     
        print(p+"ЛОЖЬ!");
       } else print(p+"ИСТИННО ТАК!");
      }
     }     
}

for(p=0;p<playersInRoom.Length;p++)   
          {   

           ArrayList trueGO = new ArrayList();   
           trueGO.Add((bool)playersInRoom[p].customProperties["rdy"]);   
          }

foreach (bool a in trueGO)   
{   
       if (!a) load = false;   
}   

if (load) {
    if (int i=0; i<playersInRoom.Length; i++)
    {
            Hashtable someCustomPropertiesToSet = new Hashtable() {{"load", load}}; //за эти две строки не скажу, т.к. не знаю, чего ты здесь добиваешься : )
            playersInRoom[i].SetCustomProperties(someCustomPropertiesToSet); //
    }
}

playersInRoom=PhotonNetwork.playerList;
      for(p=0;p<playersInRoom.Length;p++)     
      {     
       ArrayList trueGO = new ArrayList();     
       trueGO.Add((bool)playersInRoom[p].customProperties["rdy"]);   
       load=true;
       foreach (bool a in trueGO)     
       {     
        if (!a) load = false;    
       }
      }     
      if (load)   
      {   
       for (i=0;i<playersInRoom.Length;i++)   
       {   
        if(creator)
        {
         Hashtable someCustomPropertiesToSet = new Hashtable() {{"load", true}};
         playersInRoom[i].SetCustomProperties(someCustomPropertiesToSet);   
        }
       }   
      }

void Update(){
if(z == false){
        void OnMouseDown(){
        n = 1;
}
}
}

void Update()
{
       if(Input.GetMouseButtonDown(0) && !z)
       {
           n=1;
       }
}

void OnMouseDown()
{
       if(!z)
       {
           n=1;
       }
}

public AudioSource as;

void ChangeVolume()
{
as.volume = 0.5f;
}

AudioSource as;  

function ChangeVolume()  
{  
as.volume = 0.5f;  
}