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