Maybe a ravine biome would be called for soon home to reapers, silences (see my other comment on new leviathans), and brine lakes as well as crash fish just to top it off for those adrenaline dude types and it will pay of for them for example ion cu…
It would be amazing if in the Arctic dlc or other there was a degasi I ship crashed or trailers that you can use by attaching them to the subs. You could also add in amphibious vechials
By the way I spelt amphibious right first time with…
Just put us out of our misery and add the zoom map or maybe something like a mini camera drone for the map or a 2D biome map to be filled by seeing the biome type or ground