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