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