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