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