Here is the full list of all 84 OMORI achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Unlock all achievements. Thank you for playing OMORI.
Reach the other ending.
Defeat PERFECTHEART.
Complete the FOE FACTS! journal.
Commission all of GATOR GUY's statues.
Defeat 100 SQUIZZARDS.
Defeat MUTANTHEART.
Beat the BOSS RUSH.
Defeat every SOMETHING at the bottom of the LOST LIBRARY.
Take the KEEPER OF THE CASTLE's power.
Visit all mirrors.
Recover at all of MARI's picnics.
Defeat SPACE EX-HUSBAND.
Look through all telescopes.
Let the plastic fish finish its song.
Defeat PLUTO and THE EARTH.
Get the FLOWER CROWN from BASIL.
Complete your TO-DO LIST.
Brush your teeth every day.
Receive all FLOWERS in the hospital.
Insert every song into GINO'S JUKEBOX.
Feed the STRAY CAT every day and sunset.
Go to SEAN and KAREN's housewarming party.
Read all the tombstones in the... dev room...
Lose to KIM and VANCE.
Enter code: haveadollariguess at www.omocat-shop.com for $1.00 off.
Reach the bad ending.
Reach the good ending.
Give FLOWERS to MARI.
Defeat the RECYCLEPATH.
Defeat the PET ROCK champion.
High-five KEL three times.
Commission all of ROCOCO's art.
Get all rewards from the RECYCLING MACHINE.
Defeat 100 BUNNIES.
Have a ghost party.
Trade CLAMS for CLEMS.
Get the LOL SWORD.
Defeat HUMPHREY.
Defeat SLIME GIRLS.
Pet all the creatures in MARINA's sector in HUMPHREY.
Defeat ROBOHEART.
Defeat the CHICKEN? at the top of DINO'S DIG.
Complete ORANGE JOE's quest.
Defeat UNBREAD TWINS.
Turn the valve to the right in RAIN TOWN.
Defeat PLUTO (EXPANDED).
Defeat MR. JAWSUM.
Take $20.00 from KEL's wardrobe.
Don't high-five KEL.
Defeat the HOOLIGANS with PEPPER SPRAY.
Battle the "bees".
Get a perfect score delivering PIZZA.
Quit in the middle of a part-time job.
Complete all part-time jobs once.
Commission ROCOCO.
Defeat SWEETHEART.
RELEASE ENERGY on your foes.
Kill the first SOUS CHEF.
Perfectly train the SPROUT MOLE choir.
Watch all movies in SWEETHEART'S "throne room".
Choose the SPRING MOLE.
Choose the SUMMER MOLE.
Choose the FALL MOLE.
Ruin Christmas.
Choose the WINTER MOLE.
Hold 99 TOFU.
Go to sleep after a long day.
Complete the math worksheet correctly.
Complete the grammar worksheet correctly.
High-five KEL.
Wake up in the morning.
Defeat KITE KID.
Defeat SPACE EX-BOYFRIEND.
Defeat DOWNLOAD WINDOW.
Listen to MR. SCARETHROW's rant.
Make your way and talk to LONE MOLE.
Gain BREAD using BREAD SLICE.
Defeat THE EARTH.
Defeat ???.
Throw away something.
Fly the BUTT CERTIFICATE in CATTAIL FIELD.
Pet a dog.
Water a plant back to life in BASIL's garden.