Play the Game: Doodle God

Play the Sequel:  Doodle Devil

And the next one.. lol:  Doodle God 2

All the elements (in order of appearance) Each generation creates new elements using only elements which were present before the start of the generation.

Format: Generation X
Group
Elements

Generation 0 (starting point)
Air
Earth
Fire
Water

Generation 1
earth + fire = lava
earth + air = dust
water + fire = alcohol
water + earth = swamp
air + water = steam
air + fire = energy (+new group: Aether)

Generation 2
water + alcohol = vodka
water + lava = stone, steam
fire + dust = ash
energy + swamp = life
air + energy = storm

Generation 3
life + stone = egg
life + ash = ghost (+new group: Mythical)
water + life = weeds (+new group: Primitive)
swamp + life = bacteria
stone + fire = metal
air + stone = sand

Generation 4 energy + metal = electricity
life + sand = seeds
air + egg = bird (+new group: Animals)
earth + egg = dinosaur
sand + egg = turtle
earth + weed = mushroom
metal + steam = boiler (+new group: Technology)
fire + sand = glass
water + bacteria = plankton
swamp + sand = clay
swamp + weeds = moss
swamp + bacteria = worm, sulfur

At this point, this is roughly what you should have: Aether (Ying and Yang symbol)
Energy
Life
Egg
Electricity
Seeds

Air
Air
Dust
Steam
Ash
Storm

Animals
Bird
Dinosaur
Turtle

Earth
Earth
Stone
Metal
Sand
Glass
Clay

Fire
Fire
Lava
Sulfur

Mythical (Skull with purple fire)
Ghost

Primitive (Purple ooze)
Weeds
Bacteria
Mushroom
Plankton
Moss
Worm

Technology (Collection of tools)
Boiler

Water
Water
Alcohol
Swamp
Vodka

Generation 5
air + worm = butterfly
life + clay = golem
fire + bird = phoenix
earth + worm = beetle
stone + plankton = shell
dinosaur + fire = dragon
storm + bird = thunder bird
worm + swamp = snake
earth + moss = grass (+new group: Plants)
earth + seed = tree
clay + fire = bricks (+new group: Civilization)

Generation 6
life + golem = human (+new group: Humans)
life + tree = treant
snake + worm = lizard
stone + shell = limestone
sand + beetle = scorpion
fire + grass = tobacco
fire + tree = coal
water + snake = fish
swamp + grass = reed
swamp + moss = fern

Generation 7
energy + human = wizard
fish + plankton = whale
dinosaur + human = blood
lizard + earth = beast
human + human = s*x
coal + water = oil
coal + boiler = steam-engine
clay + human = ceramics
clay + limestone = cement
human + alcohol = alcoholic
human + metal = tools
human + stone = hut

Generation 8
blood + human = vampire
energy + wizard = demigod
human + beast = domestic animal
fish + beast = dolphin
tree + tools = wood
tools + reed = paper
tools + earth = field
cement + water = concrete
tools + snake = poison
metal + tools = weapon
human + domestic animal = wool, milk, meat (+new group: Goods)

At this point, this is roughly what you should have: Aether
Energy
Life
Egg
Electricity
Seeds
Blood
S*x
Poison

Air
Air
Dust
Steam
Ash
Storm

Animals
Bird
Dinosaur
Turtle
Snake
Lizard
Fish
Whale
Beast
Domestic Animal
Dolphin

Civilization (Pyramid, mask, etc.)
Bricks
Ceramics
Cement
Wood
Paper
Field
Concrete

Earth
Earth
Stone
Metal
Sand
Glass
Clay
Limestone

Fire
Fire
Lava
Sulfur
Coal
Oil

Plants
Grass
Tree
Tobacco
Reed
Fern

Goods (Apple, bread, etc.)
Wool
Meat
Milk

Humans
Human
Wizard
Alcoholic
Demigod

Mythical
Ghost
Golem
Phoenix
Dragon
Thunder bird
Treant
Vampire

Primitive
Weeds
Bacteria
Mushroom
Plankton
Moss
Worm
Butterfly
Beetle
Shell
Scorpion

Technology
Boiler
Steam Engine
Tools
Hut
Weapon Water
Water
Alcohol
Swamp
Vodka

Generation 9
grass + domestic animal = milk, fertilizer
beast + vampire = werewolf
Wool + tools = fabric
human + weapon = hunter
poison + human = corpse
weapon + poison = poisoned weapon
bricks + concrete = house
field + seeds = wheat
tobacco + paper = cigarette
wood + tools = wheel (+new group: Transportation)
wood + water = boat

Generation 10
limestone + fertilizer = saltpetre
corpse + life = zombie
human + fabric = clothes
poisoned weapon + human = assassin
hunter + weapon = warrior
glass + house = skyscraper
hunter + bird = meat, feather, blood
wheat + alcohol = beer
weath + stone = flour
wood + wheel = cart
boat + wood = ship

Generation 11
saltpetre + sulfur = gunpowder
water + flour = dough
paper + feather = book
warrior + dragon = hero
cart + beast = chariot
cart + steam engine = locomotive
cart + oil = car
ship + steam engine = steam ship
ship + fabric = frigate
zombie + corpse = ghoul

Generation 12
gunpowder + weapon = firearm
dough + fire = bread
car + air = airplane

All 115 elements, grouped by category:

Aether
Energy
Life
Egg
Electricity
Seeds
Blood
S*x
Poison

Air
Air
Dust
Steam
Ash
Storm

Animals

Bird
Dinosaur
Turtle
Snake
Lizard
Fish
Whale
Beast
Domestic Animal
Dolphin

Civilization
Bricks
Ceramics
Cement
Wood
Paper
Field
Concrete
Fabric
Clothes
Book

Earth
Earth
Stone
Metal
Sand
Glass
Clay
Limestone
Fertilizer

Fire
Fire
Lava
Sulfur
Coal
Oil
Saltpetre

Plants
Grass
Tree
Tobacco
Reed
Fern

Goods
Wool
Meat
Milk
Wheat
Cigarette
Feather
Beer
Flour
Dough
Bread

Humans
Human
Wizard
Alcoholic
Demigod
Hunter
Corpse
Assassin
Warrior
Hero

Mythical
Ghost
Golem
Phoenix
Dragon
Thunder bird
Treant
Vampire
Werewolf
Zombie
Ghoul

Primitive
Weeds
Bacteria
Mushroom
Plankton
Moss
Worm
Butterfly
Beetle
Shell
Scorpion

Technology
Boiler
Steam Engine
Tools
Hut
Weapon
Poisoned Weapon
House
Skyscraper
Gunpowder
Firearm

Transportation
Wheel
Boat
Cart
Ship
Chariot
Locomotive
Car
Steam Ship
Frigate
Airplane

Water
Water
Alcohol
Swamp
Vodka