Here is the full list of all 100 Project Real achievements.
Fish a fish
Collect a fruit
Collect a crab
Remodel the shack
Chat with someone
Compliment someone
Gift something
Buy a bakery
Buy a winery
Remodel the bakery
Buy furniture or decorations
Create wine
Have your first customer
Buy a jewelry store
Create jewelry
Mine Hematite
Mine Pyrite
Mine Jasper
Mine Fasna
Sell a fish
Buy a bait bag
Arrive at Serena Island
Complete the museum
Accept a dating proposal
Complete the legendary fish collection
Buy a tent
Sleep for the first time on Serena Island
Eat a snoks
Reach extreme hunger
Find a buried fossil
Have a date
Unlock Forest Beach
Get a Haruninha Chun doll or keychain
Sell to a traveling merchant
Attend a festival
Complete 1 month on Serena Island
Fish a Legendary fish
Visit the SPA
Reach level 5 at the gym
Get robbed in your shop
Buy a suitcase keychain
Buy all keychains on Serena Island
Get 1000 stars in your account
Buy an axe
Take a baking course
Bet at BurnBurn bar
Visit a fortune teller
Eat a snack at the SPA
Buy a lemonade
Buy a delivery bag
Get 100 stars in your account
Get 500 stars in your account
Get 2000 stars in your account
Buy a big house
Visit Serena Forest
Peel and eat a fruit
Visit the barber and get a haircut
Collect trash and take it to a large trash can
Visit Central Beach
Attend the New Year's beach party
Get married
Buy the best axe
Find a big star at night
Find a Galaxy Star
Drink coffee from the coffee maker
Push a gym ball
Buy a potato at the stand
Use a telephone
Buy a TV
Sell a Fasna
Complete the mystery of the source
Buy a chicken
Buy a chicken coop
Produce Honey
Collect an egg
Chase and catch a chick
Prepare a meal
Read a book
Complete the first steps
Complete the theater
Complete the fountain
Use Galaxy Star fragments
Build the bridge
Catch a rainbow fish
Catch a golden fish
Catch a ghost fish
Catch a shiny fish
Catch a dark fish
Be robbed at night
Leave a suggestion
Eat a big meal
Drink water
Buy a spicy seasoning
Travel to mini islands
Chase a chicken
Eat at the taco trucker
Find Wilson
Buy a suitcase
Wear a long dress
Buy a potato shop