Every time you replay the mission, the order you have to activate the switches changes, and their location moves around to make things even harder. Randomized puzzles also appear in the form of turning on four switches in the correct order. There are even parts where you have to carry around a flamethrower to melt the ice frozen over doors to proceed. The freezing temperatures become their own mechanic as you have to find heaters to keep yourself warm. As the freezing temperatures begin to take their toll on the survivors, players have to traverse frozen bodies of water in a brand new ship graveyard. Kamchatka, on the other hand, is a whole new beast. One of the new mechanics featured in Rome is having to carry around ammo cases to restock a heavy MG on top of an army vehicle so it can provide as you move through the city streets. New Mechanics Change How You Battle And Survive The Undead The areas where you must defend against hordes of zombies are much bigger this time and have forced you to spread out more and cover more ground to prepare for the zombie horde attacks.
Both locations feature plenty of moments where you can choose which direction to go and feature much larger maps to explore.
