Complete your first investigation
Complete half of the investigations
Complete all investigations
Listen to the radio for the first time
Listen to half of the radio messages
Listen to all radio messages
Listen to the egg
Call Marson & Lormont's office
Call a French emergency number
Put all of Valembois' slides in the projector
Find the treasure marked on the map of the island
Try using the broken glass on the cell guard
Look where the blood is coming from through the hole in the church door
Get knocked out by a manka
Find one of the fast travel maps
Find all the fast travel maps
Place the stolen statuette in the temple
Climb onto the roof of the Hydrafloat during travel
Throw the ring into the volcano
