The Joe's Adventures Add-on for Mafia II has 10 achievements.
Finish Joe's Adventures on any difficulty.
Finish the Cathouse level in "Joe's Adventures."
Finish the Supermarket level in "Joe's Adventures."
Finish the Connection level in "Joe's Adventures."
Finish the Witness level in "Joe's Adventures."
Push the chief witness into the ice lake in "Joe's Adventures."
Reach 2000 points for one velocity run in "Joe's Adventures."
Reach 200 points for one Jump in "Joe's Adventures."
Reach 200 points for one Drift in "Joe's Adventures."
Reach 10 different score actions in one mission in "Joe's Adventures."