Little Alchemy 2 is now here and it's better than the first one released a few years back. The gameplay remains the same but with new combinations and elements. The overall look and feel of the game also improved a lot.
The challenge is still there and I can say this one is more challenging than the original. Here's a list of element combination I have found so far that you may use as a cheat list of sort.
air + air = pressure
pressure + earth = stone
stone + earth = land
air + land = dust
earth + fire = lava
lava + earth = volcano
land + earth = continent
continent + continent = planet
planet + planet = solar system
solar system + solar system = galaxy
galaxy + galaxy = galaxy cluster
galaxy cluster + galaxy cluster = universe
pressure + stone = granite
air + fire = smoke
fire + fire = energy
energy + air = heat
air + heat = warmth
heat + heat = plasma
volcano + pressure = eruption (unlocks explotion)
explosion + energy = atomic bomb
water + water = puddle
puddle + puddle = pond
pond + pond = lake
lake + lake = sea
sea + sea = ocean
stone + stone = wall
wall + wall = house
House + house = village
Village + village = city
dust + fire = gunpowder
planet + air = atmosphere
Ocean + Volcano = Island
Island + Sea = Archipelago
Planet + Fire = Sun
Sun + Energy = Solar Cell
Sun + Stone = Meteoroid
Meteoroid + Atmosphere = Meteor
Ocean + Meteor = Tsunami
City + Air = Smog
Atmosphere + Sun = Sky
Sky + Sun = Day
Sun + Explosion = Supernova
Stone + Sky = Moon
Moon + Sky = Night
Night + Day = Twilight
Light + Metal = Gold
Metal = Gold = Safe
Water + Sun = Rainbow
Sun + Moon = Eclipse
Heat + Water = Steam
Steam + Air = Mist
Mist + Sky = Cloud
Sky + Ocean = Horizon
Cloud + Energy = Lightning
Lightning + Lake = Life
Earth + Ocean = Primordial Soup
Life + Land = Animal
Animal + Moon = Wolf
Wolf + Ocean = Shark
Storm + Storm = Tornado
Anima + Air = Bird
Motion + Air = Wind
Wind + Metal = Rust
Moon + Ocean = Tide
Life + Primordial Soup = Bacteria
City + Bird = Pigeon
Land + Animal = Horse
Horse + Rainbow = Unicorn
Wind + House = Windmill
Lightning + Metal = Electricity
Electricity + Windmill = Wind Turbine
Earth + Cloud = Fog
Explosion + Atmosphere = Fireworks
Ocean + Wind = Wave
Sea + Life = Plankton
Fire + Life = Phoenix
Stone + Motion = Wheel
Sun + Sea = Salt
Water + Animal = Fish
Bird + Bird = Egg
Metal + Land = Plow
Land + Plow = Field
Field + Village = Park
Field + House = Barn
Barn + House = Farm
Farm + Bird = Chicken
Chicken + Animal = Fox
Wolf + Farm = Dog
Time + Animal = Human / Sloth
Human + Animal = Domestication
Animal + Domestication = Livestock
Livestock + Barn = Cow
Cow + Human = Minotaur
Human + Gold = Alchemist
Time + Human = Corpse
Alchemist + Corpse = Death
Air + Stone = Sand
Fire + Sand = Glass
Glass + Sky = Telescope
Telescope + Human = Scientist
Scientist + Air = Gas
Bird + Human = Angel
Human + Bacteria = Sickness
Corpse + Scientist = Organic Matter
Organic Matter + Earth = Mineral
Organic Matter + Fire = Charcoal
Human + Metal = Tool
Tool + Took = Machine
Human + Machine = Engineer
Machine + Time = Clock
Clock + Human = Watch
Human + Human = Love
Cloud + Water = Rain
Human + Rain = Cold
Bacteria + Alchemist = Small
Universe + Alchemist = Big
Big + Stone = Boulder
Small + Boulder = Rock
Big + Boulder = Hill
Hill + Hill = Mountain
Mountain + Mountain = Mountain Range
Earth + Motion = Earthquake
Cold + Electricity = Fridge
Engineer + Engineer = Idea
Organic Matter + Pressure = Coal
Air + Cold = Chill
Human + Fish = Mermaid
Human + Wolf = Werewolf
Cold + Water = Ice
House + Ice = Igloo
Human + Plow = Farmer
Farmer + Field = Vegetable
Vegetable + Farmer = Pumpkin
Vegetable + Human = Cook
Farmer + Cow = Milk
Milk + Cook = Cheese
Vegetable + Bacteria = Mold
Mold + Scientist = Penicillin
Wheel + Wheel = Bicycle
Bicycle + Machine = Motorcycle
Bird + Metal = Airplane
Milk + Animal = Cat
Motorcycle + Motorcycle = Car
Car + Car = Bus
Pressure + Sun = Black Hole
Bicycle + Human = Cyclist
Human + Lake = Sailor
Human + Airplane = Pilot
Galaxy + Life= Alien
Water + Vegetable = Juice
Rainbow + water = Paint
Soil + Water = Mud
Corpse + Field = Grave
Air + Big + Gust
Cloud + Ice = Hail
Lake + Motion = river
Animal + Cold = Lizard
Lizard + River = Alligator
Sky + Night = Star
Metal + Star = Shuriken
Metal + Stone = Blade
Blade + Glass = Blender
Sand + Sand = Desert
Stone + Desert = Pyramid
Human + Pyramid = Mummy
Sky + Star = Space
Space + Human = Astronaut
Sickness + House = Hospital
Human + Hospital = Doctor
Doctor + Blade = Scalpel
Airplane + Atmosphere = Rocket
Rocket + Alien = UFO
Egg + Clock = Egg Timer
Fish + Unicorn = Narwhal
Metal + Life = Robot
Robot + Airplane = Drone
Robot + Astronaut = Cyborg
Corpse + Life = Zombie
Egg + Pond = Frog
Human + Blade = Blood
Human + Blood = Vampire
Human + Shuriken = Ninja
Rain + Cold = Snow
Snow + Motorcycle = Snowmobile
Sand + Wind = Dune
Dune + Animal = Camel / Scorpion
Metal + Wolf = Cage
Cloud + Planet = Jupiter
Livestock + Hill = Goat / Sheep
Tool + Sheep = Wool
Lizard + Time = Dinosaur
Dinosaur + Air = Pterodactyl
Sand + Egg = Turtle
Ocean + Sand = Beach
Mountain + Goat = Mountain Goat
Gunpowder + Metal = Bullet
Bullet + Metal = Gun
Space + House = Space Station
Tool + Wool = Sweater
Water + Lava = Obsidian
Fire + Human = Fireman
Fire + Juice = Sugar
Fireman + Car = Firetruck
Glass + Metal = Glasses / Mirror
Snow + Glasess = Ski Goggles
Human + Ski Goggles = Skier
Pond + Human = Swimmer
Fire + Mineral = Ash
Sun + Wheel = Sundial
Human + Snow = Snowman / Snowball
Snowman + Vegetable = Carrot
Time + Corpse = Bone / Skeleton
Alchemist + Safe = Container
Container + Air = Scuba Tank
Turtle + Ninja = Ninja Turtle
Dog + Snow = Husky
Light + Glass = Light Bulb
Milk + Pressure = Butter
Pressure + Coal = Diamond
Metal + Diamond = Ring
Ring + Volcano = The One Ring
Bird + Sea = Seagull
Tool + Rain = Umbrella
Livestock + Tool = Meat
Glass + Bacteria = Microscope
Rain + Smoke = Acid Rain
Blood + Fish = Piranha
Ocean + Tornado = Hurricane
Cheese + Animal = Mouse
Grave + Stone = Gravestone
Tool + Fish = Fishing Rod
Human + Fishing Rod = Angler
Dinosaur + City = Godzilla
Lava + Scientist = Magma
Gun + Fire = Flamethrower
Animal + Ice = Polar Bear
Metal + Charcoal = Steel
Chicken + Bone = Chicken Wing
Blade + Blade = Scissors
Planet + Small = Mercury
Milk + Container = Bottle
Airplane + Container = Hangar
Earthquake + Snow = Avalanche
Tool + Metal = Hammer
Hammer + Boulder = Statue / Ore
Mountain + Sheep = Alpaca
Glasses + Sun = Sunglasses
Planet + Acid Rain = Venus
Sun + Meat = Jerky
Stone + Small = Pebble
House + Gold = Bank
Container + Bus = Garage
Farmer + Car = Tractor
Horse + River = Hippo
House + Wolf = Cave
San + Glass = Hourglass
Electricity + Metal = Wire
Wire + Gunpowder = Dynamite
Cold + Milk = Ice Cream
This is not yet complete but hopefully it will be soon. If you have anything to add to this
Little Alchemy 2 cheats list please feel free to share it in the comments section.