Well here are a few:Slime,Zombie,Goo,ash. Goo:A element in specal that sticks together and hangs off objects colored lime green.Its very strong and when heated up to 500 F turns into glow.Zombie:attacks the player colored green,Heated to deadly temp lights on fire and turns black after 10 seconds it dies,If freezed to a deadly temp it turns sky blue and turns into ice.Slime:A more sticky tipe of goo that sticks to other objects and can form a bridge between 2 solid objects colored Blueish green when cooled downto a cold temp it acts more like goo.Ash:black texture is like dust exept lighter generates heat and when cooled turns grey can be made from burning wood.
Physics:A option that makes solid objects fall and react to high pressure by moving.Avalible in the options menu.