Full list of all 23 Afterparty achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Achievements they've won
Achievements they've not won
Intentionally lose to Satan.
Fail to beat Satan.
Recruit the Drunk Idiot Demon for Satan's final challenge.
Make friends with Wormhorn.
Played as Milo after fighting with Lola.
Play a perfect drinking game.
Reunite Beth and Asmodeus.
Get an Invite to Satan's from Lynda.
Intentionally curse twenty times.
Play a perfect game of beer pong.
Drink a lot of booze.
Beat Satan and earn your way back home.
Waste 20 minutes on Bicker.
Make friends with Sam.
Reunite Milo and Lola.
Play as Lola after fighting with Milo.
Get Asmodeus's Seal of Approval.
Don't miss a step while dancing.
Try 20 different drink types.
Get Apollyon's Seal of Approval.
Pet the damn dog.
Get an Invite to Satan's from Fela.
Kick off your adventure in Hell.