Massive Damage has released an update to Please Stay Calm, its location-based zombie-hunting MMORPG for the iPhone and iPod touch. The latest update increases the in-game level cap to 41 and adds two more survivor avatars and new high-level zombies, weapons, armour and duel items. The new version also adds new exploration features for users in more remote areas, allowing players to investigate their own Safe House regardless of actual location and…
