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