Here is the full list of all 80 Coromon achievements.
The base game contains 76 achievements, and there is 1 DLC pack containing 4 achievements.
Win the Mirror Challenge.
Cross the bridge in the Scorching Sands safely.
Defeat Sart.
Trigger a Heatwave in a battle.
Defeat 60 trainers.
And I still get service.
Defeat Illuginn.
Pet a Swurmy into madness.
Defeat Voltgar.
Trigger a Sandstorm in a battle.
Time for a new look! Who needs a barber?
Collect the well-hidden sneak outfit.
Defeat the mysterious intruder.
Get some free cakes.
Trigger Twilight in a battle.
Potentiflate a Coromon.
Traitformate a Coromon.
Trigger Rain in a battle.
Give a Fruit to a Coromon.
Use a Skill Flash on one of your Coromon.
Complete 5 side quests.
Evolve a Coromon.
Unlock the electro magnetic lock in the R&D lab.
Redeem a Shop coupon.
Pick your starter.
Try out the randomizer mode.
Read your mother’s diary.
Trigger Snow in a battle.
Resetinate a Coromon.
Have 6 Coromon of different types in your Squad.
Have 6 Coromon of the same species in your Squad.
Dig up a Hold item.
Have all Squad members in the same Spinner type.
Defeat Hozai.
Join the Alavi festivities.
Defeat Vørst.
Defeat Chalchiu.
Reach Researcher Level 50.
Reach Researcher Level 100.
Complete the story without letting one of your Coromon faint.
Catch every Coromon species.
Complete the game on Easy or higher.
Complete the game on Normal or higher.
Complete the game on Hard or higher.
Complete the game on Insane.
Collect the hidden bunny ears.
Collect the hidden santa outfit.
Plant fruits, everywhere!
Get a score of 1000 in Swurmy Rush.
Get a score of 500 in Flappy Swurmy.
Watch the credits.
Open all doors in a town.
Give your starter to Jerome.
Brew a Potent Scent.
Evolve a Squidly before level 37.
Evolve a Purrgy before level 30.
Evolve a Swurmy before level 14.
Evolve a Slitherpin before level 25.
Evolve a Lunarwulf before level 39.
Catch a Toruga where the last track ends.
Catch a Nibblegar in the painter's cave.
Catch a Cubzero on the highest mountain.
Prove you’re weatherproof.
What’s up boss?
This sauna is too much.
Spend your last penny in a shop.
Spend less than 50 gold on a purchase in a shop.
Create a crop circle.
Earn 5000 Gold from Gems.
Reach level 99 with a Coromon.
Complete the Throwing Arm training.
Complete the Haggle training.
Find 150 Hidden items.
Have three different Coromon of the same family in your Squad.
Have six Potent Squad members.
Have a Purrgy and a Houndos in your Squad
Find the cave within the cave within the cave.
Devolve a Coromon.
Keep a Coromon from evolving.
Keep a Coromon from evolving twice.