Release 0.6.18 — Ultimate Zombie Defense 2 Steam update #240680

As we get closer to the next map release, the update is much larger than previous ones. In addition, with these changes, I hope the smaller patches will be smaller in download size. Release notes 0.6.18: -Add a red beacon to the weapon upgrade machine -Allow special zombies to target high-value buildings -Change the building upgrade costs to 2.5k, 5k and 10k respectively -Don't allow the fortress perk to stack with other players Fortress perks -Don't limit the maximum level a player can reach -Fixed MECHANICAL BOSS gaining permanent slowdown when going through BARBED WIRE -Fixed money drop glitch where all clients lost all their money -Implement an overheating behaviour to the HEAVY-MOUNTED MACHINEGUN -Implement rebuild all buildings button -Increase HEAVY MOUNTED MACHINEGUN price by 200% -Increase HELL DOGS damage to the buildings -Increase odds of getting better weapons in the mystery ...