No Traders. This is DayZ.
No 3rd Person Combat. The combat timer locks the view to first person or when you enter a vehicle.
Orienteering. The map waypoint marker has been disabled. Familiarise yourself with visible land marks.
Famine. Unspoiled canned food is extremely rare. Hunting, fishing and gathering clean water is vital for your survival. You can also cannibilise dead players/Ai.
Extreme Environment. Expect prolonged periods of torrential rain, storms, high winds, snow, hazardous ground fog and freezing temperatures.
Radiation. The danger of radiation is also ever present on Namalsk now. The north is save, the south needs some preparations to explore it. There are also some hots-pots around Namalsk.
Complete Craft. Reduced loot and an extensive crafting system provides new solutions for your survival. Use trash to create new tools, or recycle to invent different items/functions. There are lots of custom recipes for you to discover.
Veteran AI. They are well trained and well equipped. They have bases in key locations to raid. There's also poorly equipped cannibal bandits roaming most southern sites.
Selected Vehicles. You will mostly find civil vehicles, which need to be hotwired in order to work. There are some military vehicles around the map for you to find.
Deadly Zombies. Headshots are preferable and because they walk they're stealthy, they hit hard and their count will rise over time if you do not deal with them.
Reinforced Bases. Cinder and metal bases are harder to destroy then wood bases. There are dozens if not hundreds of custom build-ables available for you.
Forsaken. The landscape has been heavily modified with many points of interest.