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