public function getGameCacheValue()
 {
     $factory = new ScavengerHuntGames();
     $gameId = $this->getVal('gameId', '');
     $readWrite = $this->getVal('readwrite', 0);
     $key = wfSharedMemcKey('ScavengerHuntGameIndex', $gameId, $readWrite ? 1 : 0, ScavengerHuntGames::CACHE_VERSION);
     $this->setVal('key', $key);
     $this->setVal('response', unserialize($factory->getCache()->get($key)));
 }