Here is the full list of all 40 Neighboring Islands achievements.
Replace the captain and string him up.
Replace the captain and put him in stocks.
Convince the captain to allow Rob to participate in the fort defence council.
Fully enjoy the bathing at the Kumran's celebration.
Refuse to participate in bathing at the Kumran's celebration.
Agree to take a sip out of the little brat’s mug without much arguing.
Choose the healer to give to the cultists as payment.
Choose the infertile girl to give to the cultists as payment.
Give any sacrifice to the cultists alive.
Give any sacrifice to the cultists, breaking their neck beforehand.
Catch the horner infiltrator.
Die by the hand of the horner infiltrator.
Make love with Monique by the lake.
Pass the labyrinth of underground caves.
Die under a cave-in in underground caves.
Die, being devoured by a swarm of rats in underground caves.
Die in a fight with a giant gorilla, fighting alongside Monique’s squad.
Convince Monique to send Tim for treatment in the settlement.
Agree with Monique and leave Tim to die in the jungle.
Behave like an idiot during the hike and call Monique with a whistle.
Agree to help Dubois with the red fort.
End the game with death from decapitation, refusing to help Dubois.
During the interrogation, lie about the captain, exaggerating his dangerousness.
Give a kick to a little brat in the village.
Do not abandon Le Clerk in captivity and refuse to escape.
Jump down from a waterfall during a chase in the jungle.
Finish off the doctor by wringing his neck.
Don’t share food with Tim on the ship, let him climb up the tree instead of you and then allow him to drink from a muddy river.
While wandering in the jungle climb up a tree and look around.
End the game with death from a giant anaconda attack.
Find a blade in the jungles while examining pirate corpses.
Surrender to the captain and end the game with death from hanging.
Finish the game on a raft with a doctor
Throw Tim to the sharks and try to escape from the ship by swimming
Throw Le Clerk to the sharks and try to escape from the ship by swimming.
Finish the prologue.
End the game with death from a crocodile attack.
End the game with death from a spear, trying to attack local inhabitants.
End the game with death from a “palisade” trap.
End the game with death from cannonball hitting your raft.