Here is the full list of all 82 HoloCure - there are Save the Fans! achievements.
Complete all achievements. Then go outside.
Have over 500 HP in 1 run.
Complete the armory.
Clear a stage with no items.
Deal over 10000 damage in one attack.
Clear a Hard stage without taking any damage from projectiles.
Defeat the Boss of Stage 3 (Hard)
Catch a Shiny Fish
Clear a stage in Hardcore Mode.
Clear a game of Stage Mode without moving at all.
Defeat the Boss of Stage 2 (Hard)
Clear with only your main weapon.
Clear a Stage in Time Mode
Clear a (Hard) stage without taking any Healing Items.
Get Manager Level 4
Survive to 30 minutes with Halu item level 5.
Wait out the entire 15 seconds on Iofi's special without drawing anything
Defeat the Boss of Stage 4
Fail a +1 > +2 enhancement.
Get a weapon to +10 enhancements.
Fail enhancements 5 times in 1 run.
Have 1,000,000 coins.
Level a worker to their maximum level.
Catch at least one of every kind of fish.
Achieve 1,000,000 score in a single run.
Clear stage mode without having any Character Skills (Fandom off)
Defeat a 10 or 20-minute Boss in under 10 seconds.
Reach level 100 in one game.
Level up 5 times in a row within one second.
Choose the Haste Stat Up option 10 times when leveling up.
Collect 100,000 HoloCoins from workers at once.
Defeat the Boss of Stage 1 (Hard)
Use the Golden Hammer
Defeat the Boss of Stage 3
Drop a super item.
Get 50 combos in the fishing minigame.
Clear with Halu item level 5.
Get 4 Collab Weapons in 1 game.
Get over 100% crit chance in a single run.
Clear a game of Stage Mode without using Special after unlocking it.
Clear a stage only choosing the first option when leveling up without rerolls.
Harvest at least one of every kind of crop.
Retire a Worker.
Clear a stage with Main Weapon at level 1 only.
Pet Bubba as Amelia Watson
Huh?
Be defeated by a Yagoo.
Defeat a Yagoo.
Watch the TV for 10 seconds.
Defeat the Boss of Stage 2
Be defeated while using Halu.
Deal over 1000 damage in one attack.
Annoy another member.
Reach level 50 in one game.
Watch the credits to the end.
Reach 10 minutes with Cutting Board or related weapons using certain characters.
Get 10 combos in the fishing minigame.
Cook a dish.
Steal a fish from another member.
Harvest a plant.
Complete a stage using Plug-In Type Asacoco
Clear any stage while using Sake.
Complete a stage while using Super Chatto Time.
Eat over 50 hamburgers in one game.
Leave a boss alive for 5 minutes or more.
Unlock all characters.
Go to Holo House
Complete your first game.
Have 5000 coins.
Defeat at least 5000 targets in a stage.
Defeat the Boss of Stage 1
Enhance a weapon once.
Defeat Fubuzilla.
Don't take any damage for 5 minutes.
Defeat a Golden Yagoo.
Defeat a Silver Yagoo.
Open a Super Box.
Destroy a Yagoo statue
Use an anvil
Unlock and use a character's Special.
Lose after 10 minutes in a game.
Take a total of over 500 damage in one game.