Some Secret Chests require you to do something extra to Unlock it.
Going toe to toe with a shielded enemy is suicide.
Did you finish the game by killing Hugo at the end?
The enemy of your enemy is your friend
A Sea of Promises awaits.
The other half of the collection
It’s the rats again
As Hugo’s sickness worsens...
The docks puzzle involves cooperating with the soldier on the other side of the dock to get rid of the swarm of rats.
To unlock the Perfect Shot achievement, you need to use your sling to hit all of the pinecones in the first chapter of the game.