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