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