Here is the full list of all 11 Mediterranea Inferno achievements.
Refuse to buy a Mirage
Shoot a neorealist scene during the Mirage on the film set
Win the duel unharmed during the Mirage in the rain
Collect enough holy cards for one final Mirage
Finish the game once
Ascend to Heaven
Witness an after-dinner nightmare
Sell the Italian dream during the Mirage at the cemetery
Check all cabina during the mirage at the beach
Survive the first night of the vacation
See the puppet theather during the first Mirage