A Chapter Select feature will unlock after completing the game for the first time, so no need to restart the game for most of these.

Examine the victim's body just after entering the café. While speaking with the waitress, do not claim to be a doctor, do not give her alcohol, and tell her that the man is dead.

Exhaust all dialogue options with every character in Ireland.

Drink three glasses of beer at the pub in Ireland and speak to the landlord to trigger a conversation involving "pinball, pimples and puke."

Fully examine all points of interest in Marquet's hospital room before speaking to him.

Speak to Rosso at the police station after obtaining the tripod.

Go down the stairs beneath Montfauçon without peering through the gap and waiting for the Neo-Templars to leave on the boat.

Speak to the policeman at the station about Moue before heading to Syria.

Get Nico to distract the painter at the Site De Baphomet three times without using the makeshift key in his paint.

Exhaust all dialogue options with the "old lady" on the train in Scotland before attempting to leave the train compartment.

Show the hand buzzer to every character possible, ending with the football fan on the Scotland train.

Place the red nose and clay pipe onto the gargoyle statue of the church ruins in Bannockburn.