Blue Horizon achievements

Escape Dead Mann's Island by Building a Raft and Sailing to Port Cutlass

Build a Raft on Dead Mann's Island from Parts Found

Smash 50 Crates you find

Find and talk to Mermaids near the shore

Sink 4 Triple Masted Galleons with your Cannons

Tame the Sea Beast in the Ice Underworld

Defend Fort Williamson from the Pirate Fleet using the Cannons

Defeat the Crystal Guardians in the Crystal Cavern

Sink 5 Small Red Sailed Pirate Ships with your Cannons

Smash 50 Barrels you find

Kill 100 Small Crabs you find

Kill 5 Giants Crabs you find