Full list of all 89 POSTAL 2 achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 69 achievements, and there is 1 DLC pack containing 20 achievements.
Observed an NPC going POSTAL!
Smoked over 10 "health" pipes and 10 tins of catnip in one play session.
Completed the "A Week In Paradise" game mode on POSTAL difficulty.
Resurrected a zombie corpse for your own nefarious purposes.
Discovered the Gary vs. Krotchy arena during the Apocalypse.
Made a very long killing spree.
Completed the "POSTAL 2" game mode with a total play time of 1:30:00 or less. (Excludes cutscenes and loading times.)
Completed the "POSTAL 2" game mode using only the Shovel to kill. (Must kill at least 30 people.)
Mauled 30 people with your dog.
Committed suicide... the Taliban way.
Completed the game (any mode) on Hestonworld difficulty.
Slaughtered 10 dogs with a kitty-silenced shotgun.
Hoarded 15 or more cats at a time.
Gave Krotchy the bad touch.
Totaled 30 cars.
Kicked 30 dogs.
Suicide-bombed a Taliban member.
Killed all of the book protestors in the library.
Killed someone who refused to sign your petition.
Saved the marching band from explody death.
Killed 10 bystanders while wearing the gimp outfit.
Sliced 30 people in half with the scythe.
Whacked a severed head 50 meters or more with the shovel.
Zapped 20 innocent bystanders with the tazer while wearing the police officer's uniform.
Killed 30 or more people of each skin color.
Roasted 30 people with fire.
Killed over 1,000 people.
Nailed a fleeing bystander with a tossed sledgehammer.
Successfully bribed your way out of an arrest.
Severed all of somebody's limbs without killing them.
Discovered the hidden Taliban base.
Found one of the hidden underground sewers.
Completed the "POSTAL 2" game mode with no kills.
Found the hidden copy of POSTAL III and peed on it.
Read the newspaper every day.
Ate 30 donuts while wearing the police officer's uniform.
Found the secret bank exit on Monday.
Ran 30 miles while holding the scissors.
Showed Vince and Mike J. what you thought of them.
Killed all of the video game protestors at the RWS Office.
Played "fetch" with your dog... using a severed human head.
Finished all seven days.
Exploded a nuclear bomb.
Exploded 30 heads via sledgehammer to the face.
Killed someone with a flying jump kick.
Made 30 zombies lose their heads.
Survived Saturday.
Burned 5 people with the same can of napalm.
"Lost" your sledgehammer to a cow.
Gave a kickoff to a severed head.
Survived Friday.
Gained your first dog helper.
Survived Thursday.
Sucked down your own piss.
Wore all three outfits.
Escaped from the maximum-security jail cell.
Put out someone that's on fire.
Successfully hid from the police at max wanted level.
Lured a police officer with a piss-soaked donut.
Survived Wednesday.
Used a cat to "accessorize" your gun.
Used a Bass Sniffer Radar.
Survived Tuesday.
Unzipped your pants and got 3 women to laugh at it.
Asked a police officer to sign your petition.
Survived Monday.
Pissed in someone's face until they puked from it.
Kicked open a door.
Completed Paradise Lost on POSTAL difficulty.
Completed Paradise Lost with a total play time of 1:45:00 or less. (Excludes cutscenes and loading times.)
Peed on all of the snowmen in the Nuclear Winter zone.
Completed Paradise Lost with no kills.
Sold 30 cats at the Cash 4 Cats vendors.
Rescued your loyal companion.
Spent $5,000 on vending machines.
Made 30 kills while dual-wielding.
Reunited with a former child star and an infamous terrorist leader.
Kicked 30 people in the balls.
Reunited with an old flame.
Reunited with an old enemy.
Reunited with an old friend.