Here is the full list of all 10 Perfect Vermin achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Complete Perfect Vermin without ever running out of time. (Timers must be on)
Complete Perfect Vermin.
Complete Perfect Vermin in under 4 minutes and 30 seconds. (Timers must be On)
Reach the secret room.
Break 200 Objects.
Complete Perfect Vermin having only destroyed Vermin. (Doors are excluded)
Attack the same fire door 3 times.
"Turn off" every light switch on floors 1-4.
Get the Newscaster to call you dense.
100% Perfect Vermin