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