Air + Air = Pressure
Earth + Water = Mud
Fire + Fire = Energy
Earth + Fire = Lava
Earth + Earth = Land
Fire + Water = Steam
Air + Water = Rain
Water + Water = Puddle
Puddle + Puddle = Pond
Pond + Pond = Lake
Lake + Lake = Sea
Sea + Earth = Primordial Soup
Earth + Water = Plant
Plant + Time = Tree
Tree + Tree = Forest
Earth + Fire = Volcano
Volcano + Water = Stone
Stone + Fire = Metal
Metal + Human = Tool
Tool + Human = Farmer
Earth + Life = Human
Primordial Soup + Energy = Life
Air + Fire = Energy
Earth + Air = Dust
Dust + Earth = Planet
Planet + Fire = Sun
Sun + Water = Rainbow
Water + Earth = Swamp
Swamp + Life = Bacteria
Bacteria + Time = Virus
Fire + Stone = Obsidian
Water + Stone = Sand
Sand + Fire = Glass
Glass + Sand = Hourglass
Human + Tool = House
House + House = Village
Village + Village = City
City + City = Metropolis
Human + Earth = Clay
Clay + Life = Golem
Golem + Life = Human
Air + Earth = Dust
Air + Pressure = Wind
Wind + Earth = Sandstorm
Wind + Fire = Smoke
Smoke + Water = Fog
Fog + Earth = Mist
Earth + Life = Animal
Animal + Water = Fish
Animal + Air = Bird
Animal + Earth = Beast
Human + Animal = Livestock
Livestock + Human = Milk
Milk + Earth = Cheese
Cheese + Fire = Pizza
Water + Water = Sea
Sea + Fire = Salt
Salt + Water = Brine
Brine + Electricity = Battery
Fire + Metal = Steel
Steel + Human = Armor
Armor + Human = Knight
Knight + Horse = Rider
Earth + Earth = Stone
Stone + Stone = Wall
Wall + Wall = House
House + Fire = Ash
Ash + Life = Phoenix
Phoenix + Fire = Immortality
Human + Fire = Cook
Cook + Water = Soup
Soup + Earth = Plant
Plant + Plant = Garden
Garden + Human = Flower
Flower + Flower = Bouquet
Flower + Water = Lily
Lily + Water = Lotus
Water + Air = Cloud
Cloud + Water = Rain
Cloud + Fire = Lightning
Lightning + Metal = Electricity
Electricity + Metal = Wire
Wire + Electricity = Circuit
Circuit + Electricity = Computer