Here is the full list of all 23 Afterparty achievements.
Beat Satan and earn your way back home.
Fail to beat Satan.
Drink a lot of booze.
Play as Milo after fighting with Lola.
Get an Invite to Satan's from Fela.
Intentionally lose to Satan.
Waste 20 minutes on Bicker.
Recruit the Drunk Idiot Demon for Satan's final challenge.
Make friends with Sam.
Make friends with Wormhorn.
Play a perfect game of beer pong.
Reunite Milo and Lola.
Pet the damn dog.
Play as Lola after fighting with Milo.
Intentionally curse twenty times.
Get Asmodeus's Seal of Approval.
Reunite Beth and Asmodeus.
Get Apollyon's Seal of Approval.
Play a perfect stacking game.
Try 20 different drink types.
Get an Invite to Satan's from Lynda.
Don't miss a step while dancing.
Kick off your adventure in Hell.