Water + Water = Lake
Lake + Water = Ocean
Earth + Water = Plant
Plant + Plant = Tree
Tree + Tree = Forest
Earth + Earth = Mountain
Mountain + Earth = Volcano
Volcano + Water = Steam
Steam + Earth = Mud
Mud + Plant = Swamp
Swamp + Earth = Clay
Clay + Fire = Brick
Brick + Brick = Wall
Wall + Wall = House
House + House = Village
Village + Village = Town
Town + Town = City
City + Earth = Civilization
Civilization + Fire = Technology
Technology + Earth = Tool
Tool + Tool = Weapon
Weapon + Tool = Pickaxe
Pickaxe + Earth = Mine
Mine + Craft = Minecraft