(Warning Spoiler !) Here’s the Alchemistry recipe guide
All Recipes Guide
Air = Carbon Dioxide + Oxygen
Aircraft carrier = Boat + Plane
Alchemistry = Potion + Video game
Algae = Ocean + Plant
Alien = Galaxy + Life
Animal = Continent + Life
Animal = Earth + Life
Aquarium = Glass + Water
Astronaut = Human + Rocket
Axe = Tool + Tree
Baby = Human + Human
Beach = Ocean + Sand
Beach Castle = Beach + Castle
Beverage = Glass + Juice
Beverage = Glass + Water
Binary System = Solar system + Sun
Bird = Animal + Clouds
Bird = Clouds + Life
Bird = Continent + Life
Black Hole = Galaxy + Time
Black Hole = Sun + Time
Boat = Engine + Ocean
Bone = Animal + Death
Bone = Bird + Death
Bone = Death + Fish
Bone = Death + Human
Book = Paper + Paper
Bread = Flour + Water
Brick = Clay + Fire
Brick = Clay + Furnace
Cake = Egg + Flour
Campfire = Fire + Wood
Carbon Dioxide = Animal + Oxygen
Carbon Dioxide = Bird + Oxygen
Carbon Dioxide = Fish + Oxygen
Carbon Dioxide = Human + Oxygen
Carbon Dioxide = Oxygen + Plant
Card = Paper + Toy
Castle = City + Wall
Castle = House + Wall
Chalet = House + Wood
Charcoal = Fire + Wood
Charcoal = Furnace + Wood
Cheese = Milk + Time
Chicken = Animal + Farmer
Child = Baby + Time
Christmas sleigh = Fir + Plane
City = House + House
Clay = Dirt + Sand
Clock = Electricity + Hourglass
Clouds = Ocean + Sun
Coal = Forest + Time
Coal = Plant + Time
Coal = Time + Tree
Continent = Island + Island
Coral = Fish + House
Cow = Animal + Farmer
Death = Electricity + Human
Death = Life + Time
Desert = Sand + Sand
Diamond = Charcoal + Volcano
Diamond = Coal + Volcano
Dirt = Forest + Time
Dirt = Plant + Time
Dirt = Tree + Time
Dog = Bone + Human
Dragon = Bird + Magic
Earth = Continent + Ocean
Egg = Bird + Bird
Egg = Chicken + Chicken
Egg = Fish + Fish
Electricity = Fire + Metal
Elsa = Child + Magic
Engine = Petroleum + Tool
Eye = Animal + Light
Eye = Human + Light
Fairy tail = Castle + Dragon
Farmer = Human + Plant
Feather = Bird + Death
Fir = Snow + Tree
Fire = N/A
Fish = Animal + Aquarium
Fish = Animal + Ocean
Fish = Aquarium + Life
Fish = Life + Ocean
Flour = Seed + Stone
Flower = Flower + Time
Flower = Garden + Plant
Food = Fruit + Human
Food = Ice cream + Human
Forest = Tree + Tree
French fries = Oil + Potato
Fried egg = Egg + Fire
Fried egg = Egg + Furnace
Fruit = Food + Plant
Fruit = Food + Tree
Fruit = Plant + Time
Furnace = Charcoal + Tool
Furnace = Coal + Tool
Furnace = Fire + Tool
Galaxy = Solar system + Solar system
Galaxy = Sun + Sun
Garden = House + Forest
Garden = House + Tree
Geyser = Volcano + Water
Glass = Fire + Sand
Glass = Furnace + Sand
Glasses = Eye + Glass
Gold = Metal + Rainbow
Grass = Dirt + Seed
Greenhouse = Garden + Glass
Hamburger = Bread + Meat
Hourglass = Glass + Sand
House = Brick + Wood
House = Wall + Wood
Human = Animal + Tool
Human = Monkey + Tool
Ice = Elsa + Water
Ice cream = Food + Ice
Iceberg = Ice + Ice
Island = Mountain + Ocean
Jewelry = Diamond + Metal
Juice = Beverage + Fruit
Juice = Fruit + Glass
Lava = Stone + Volcano
Life = Ocean + Time
Light = Electricity + Lightbulb
Lightbulb = Electricity + Glass
Magic = Technology + Time
Matrix = Technology + VR Headset
Meat = Animal + Fire
Meat = Animal + Furnace
Menu = Food + Paper
Mermaid = Fish + Magic
Metal = Fire + Stone
Metal = Furnace + Stone
Meteorite = Galaxy + Stone
Meteorite = Solar system + Stone
Milk = Cow + Grass
Monkey = Animal + Tree
Mountain = Stone + Stone
Mud = Dirt + Water
Mushroom = Continent + Earth
Mushroom = Continent + Life
Nest = Bird + House
Nina = Child + Dog
Oasis = Desert + Water
Ocean = Water + Water
Oil = Plant + Stone
Oxygen = Plant + Sun
Paper = Water + Wood
Petroleum = Forest + Time
Petroleum = Plant + Time
Petroleum = Time + Tree
Phoenix = Animal + Fire
Phoenix = Bird + Fire
Pickaxe = Stone + Tool
Pig = Animal + Farmer
Plane = Clouds + Engine
Plant = Continent + Life
Plant = Earth + Life
Potato = Dirt + Food
Potion = Beverage + Magic
Rain = Clouds + Water
Rainbow = Light + Rain
Rainbow = Sun + Rain
Robot = Human + Metal
Robot = Life + Metal
Rocket = Engine + Galaxy
Rocket = Engine + Solar system
Rocket = Engine + Universe
Rust = Metal + Air
Rust = Metal + Time
Sand = Rain + Stone
Sand = Stone + Time
Sandstone = Sand + Stone
Sandstorm = Sand + Storm
Santa Claus = Fir + Human
Satellite = Rocket + Solar panel
Seed = Fruit + Death
Seed = Fruit + Time
Snow = Ice + Clouds
Snow = Ice + Rain
Snowman = Human + Snow
Solar panel = Electricity + Sun
Solar system = Earth + Sun
Sonic screwdriver = Technology + Wand
Space station = Astronaut + Satellite
Space station = Human + Satellite
Spaceship = Alien + Rocket
Spell book = Book + Magic
Steam = Fire + Water
Steel = Metal + Charcoal
Steel = Metal + Coal
Stone = Lava + Water
Stone = Mountain + Pickaxe
Storm = Clouds + Clouds
Storm = Clouds + Electricity
Storm = Electricity + Rain
Sun = Earth + Fire
Tablet = Book + Technology
Tablet = Paper + Technology
Technology = Electricity + Tool
Telescope = Galaxy + Glass
Telescope = Glass + Solar system
Tiberium = Diamond + Meteorite
Time = Hourglass + Hourglass
Tool = Metal + Metal
Tool = Metal + Steel
Toy = Child + Tool
Tree = Plant + Time
Unicorn = Animal + Magic
Universe = Galaxy + Galaxy
VR Headset = Glasses + Technology
Video game = Technology + Toy
Volcano = Lava + Mountain
Wall = Brick + Brick
Wand = Magic + Wood
Water = N/A
Witch = Human + Magic
Wood = Axe + Tree
Wood = Tool + Tree
Zombie = Death + Human
Thanks to Elanis and Dysnomia for his great guide, all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.