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