Here is the full list of all 24 The Bonfire 2: Uncharted Shores achievements.
Survive the first night.
Defeat the spider.
Defeat the pirate minions.
Defeat the tribal minions.
Defeat the mega minion.
Defeat the alpha chupacabra.
Defeat the slayer.
Construct the farm.
Build 15 huts.
Construct 100 roads.
Build a bridge.
Build a steelworks.
Build the brick kiln.
Build the altar of titans.
Train successfully at the gym.
Train successfully at the archery range.
Train successfully at the temple.
Send a ship to explore.
Discover a trade route.
Obtain a sunstone.
Summon the titan.
Survive 10 days.
Survive 100 days.
Survive 200 days.