Here is the full list of all 32 Nom Nom Galaxy achievements.
Congratulations!
Help ship 100 cans of soup for other players
Complete 5 days in other players games
Unlock All Astro Pins
Unlock 40 Astro Pins
Defeat all rival soup companies in the campaign
Unlock all available upgrades
Spend over 100,000 gold
Create a factory with every type of robot
Use the Hopper EX to kill a Shroomba
Defeat 5 Queens
Earn a medal in 5 co-op challenges
Earn a medal in 20 Challenges
Unlock the third Gravlock
Discover 100 different flavours of soup
Create and ship the legendary 'Nutrient Nova' soup
Create a factory with 5 soup machines that do not use any of the same ingredients
Chew 10 Galactic Gums
Earn a medal in 10 Challenges
Earn a medal in all Challenge types
Earn a medal in 5 Challenges
Unlock the second Gravlock
Discover 50 different flavours of soup
Create a 100 piece factory in Conquest or S.O.O.P. Sim
Achieve an Elite medal in any Challenge
Unlock 10 Astro Pins
Eat 10 different ingredients
Play the game at 11:11
Complete the tutorials
Defeat your first rival soup company
Blend and ship your first soup
Unlock the first Gravlock