Full list of all 89 POSTAL 2 achievements. It takes around 30-35 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!
Killed someone with a flying jump kick.
Completed the "POSTAL 2" game mode using only the Shovel to kill. (Must kill at least 30 people.)
Completed the game (any mode) on Hestonworld difficulty.
Discovered the hidden Taliban base.
Ate 30 donuts while wearing the police officer's uniform.
Zapped 20 innocent bystanders with the tazer while wearing the police officer's uniform.
Escaped from the maximum-security jail cell.
Wore all three outfits.
Discovered the Gary vs. Krotchy arena during the Apocalypse.
Completed the "POSTAL 2" game mode with no kills.
Completed the "POSTAL 2" game mode with a total play time of 1:30:00 or less. (Excludes cutscenes and loading times.)
Read the newspaper every day.
Successfully bribed your way out of an arrest.
Found the secret bank exit on Monday.
Finished all seven days.
Exploded a nuclear bomb.
Kicked 30 dogs.
Roasted 30 people with fire.
Totaled 30 cars.
Sliced 30 people in half with the scythe.
Made 30 zombies lose their heads.
Killed over 1,000 people.
Survived Saturday.
"Lost" your sledgehammer to a cow.
Resurrected a zombie corpse for your own nefarious purposes.
Severed all of somebody's limbs without killing them.
Ran 30 miles while holding the scissors.
Survived Friday.
Burned 5 people with the same can of napalm.
Hoarded 15 or more cats at a time.
Found the hidden copy of POSTAL III and peed on it.
Killed 30 or more people of each skin color.
Survived Thursday.
Made a very long killing spree.
Suicide-bombed a Taliban member.
Gave Krotchy the bad touch.
Survived Wednesday.
Killed 10 bystanders while wearing the gimp outfit.
Exploded 30 heads via sledgehammer to the face.
Successfully hid from the police at max wanted level.
Survived Tuesday.
Put out someone that's on fire.
Unzipped your pants and got 3 women to laugh at it.
Found one of the hidden underground sewers.
Played "fetch" with your dog... using a severed human head.
Gave a kickoff to a severed head.
Killed all of the video game protestors at the RWS Office.
Killed all of the book protestors in the library.
Saved the marching band from explody death.
Asked a police officer to sign your petition.
Killed someone who refused to sign your petition.
Survived Monday.
Committed suicide... the Taliban way.
Lured a police officer with a piss-soaked donut.
Used a cat to "accessorize" your gun.
Sucked down your own piss.
Pissed in someone's face until they puked from it.
Used a Bass Sniffer Radar.
Kicked open a door.
Showed Vince and Mike J. what you thought of them.
Gained your first dog helper.
Mauled 30 people with your dog.
Slaughtered 10 dogs with a kitty-silenced shotgun.
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.
Nailed a fleeing bystander with a tossed sledgehammer.
Whacked a severed head 50 meters or more with the shovel.
Reunited with an old friend.
Kicked 30 people in the balls.
Reunited with an old enemy.
Reunited with an old flame.
Reunited with a former child star and an infamous terrorist leader.
Rescued your loyal companion.
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.)
Sold 30 cats at the Cash 4 Cats vendors.
Spent $5,000 on vending machines.
Made 30 kills while dual-wielding.
Peed on all of the snowmen in the Nuclear Winter zone.