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.
Complete the game with Stan's product in your inventory.
Defeat Garmantuous and take down the G3 cartel.
Say goodbye to Suit-O.
Obtain Lezduit.
Defeat Nipulon.
Spend 15 hours at the very real in-game alien strip club.
Pop 20 Grunt eyeballs.
Pay your bill at Applebee's.
Defeat Dr. Giblets.
Obtain the Mag-Boots.
Defeat the Skrendel Brothers.
Obtain Creature.
Obtain the Jetpack.
Obtain Sweezy.
Defeat Douglas.
Defeat Krubis.
Obtain Gus.
Take Knifey's advice and stab Gene in the gut.
Defeat 9-Torg.
Juggle an enemy in the air with at least 5 shots.
Obtain Knifey.
Kill Slumsley.
Use Sweezy to boss around the Office Moplets.
Sacrifice a Gatlian other than Kenny during the fight against Garmantuous.
Watch Globo's rise to fame.
Discover the movie theater.
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.