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