Full list of all 44 High On Life achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 32 achievements, and there is 1 DLC pack containing 12 achievements.
Pay your bill at Applebee's.
Defeat Dr. Giblets.
Obtain the Mag-Boots.
Defeat the Skrendel Brothers.
Obtain Creature.
Discover the movie theater.
Obtain the Jetpack.
Obtain Sweezy.
Defeat Douglas.
Pop 20 Grunt eyeballs.
Obtain Gus.
Defeat Krubis.
Defeat 9-Torg.
Juggle an enemy in the air with at least 5 shots.
Obtain Knifey.
Kill Slumsley.
Take Knifey's advice and stab Gene in the gut.
Use Sweezy to boss around the Office Moplets.
Spend 15 hours at the very real in-game alien strip club.
Defeat Nipulon.
Obtain Lezduit.
Say goodbye to Suit-O.
Sacrifice a Gatlian other than Kenny during the fight against Garmantuous.
Defeat Garmantuous and take down the G3 cartel.
Watch Globo's rise to fame.
Sit through the entirety of the really annoying countdown show on TV.
Discover Dr. Gurgula's hideout in the Human Haven.
Unlock and explore every collectible warp base.
Find and open every Luglox chest.
Unlock every post in the Bounty Hunter forums.
Collect every trading card in the game.
Complete the game with Stan's product in your inventory.