hunger sistem, if you are 5 minutes without eating any food, you starting to take damage every 5 seconds, and you take 2 damage every 5 seconds, you can get food by killing werewolves, wolfs, and etc, and you can cook food with fire, like torches, the train fire, campfires, and there will be fireplaces in safe spots, you can also get food from zombies, but you will get illness effect, and if you die, you become a zombie with your items, and class