Here is the full list of all 27 Hypersensitive Bob achievements.
Kill Joy flower
Kill Paranoid flower
Kill dumb flower
Activate Lure item
Beat Nuttinger with Spoopy
Upgrade Vaccine Machine to level 10
Spoopy unlocked
Beat Nuttinger with Billy
Ouch, this is gonna hurt!
Oh I'll just hide inside my rock
Complete Secret Recipe
Unlock Billy
Upgrade Vaccine Machine to level 5
There's something hidden here..
Find the big snail on a normal level
I'm not afraid of peanuts!
Why is everything moving so fast
Bring light to the darkness
Destroy the Chargebee
Destroy the big one!
Find a Vaccine Machine
Stumble upon loot
Purchase an Epic item from the store
This round will be Legendary