>Snow, rock, and mud shelves now spawn high up- yelling too loud in the wrong place triggers an avalanche
>Quicksand in tropics, rope can be lowered to rescue people
>Mountaineering ropes that tie people together- if too many people fall, others get pulled with them
>Glacier map that breaks apart as time passes
>New mechanic where you can catch someone's hand from a further distance jumping a chasm, but their stamina drops to zero temporarily when you catch them and it takes a chunk of your stamina to actually pull them up (there is a dedicated drop button if you need to let them go)