Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Accurate Turtoise	Complete one level in Tortuga without sinking.	30
Circumnavigation	Rotate one grid for the first time.	15
Flawless Path	Complete a level with two ships without collisions.	30
Golden Treasure	Collect two different treasures in the same level.	15
Halfway	Complete level 15.	30
Initial Strategy	Swap one grid for the first time.	15
Master of the Turtoises	Complete Tortuga.	100
No Doubts	Complete five levels without tips.	90
No Mistakes	Complete level 10 without tips.	90
Pirate in Training	Collect ten treasures.	30
Practical Rotation	Rotate hundred grids.	90
Precise Route	Complete five levels in a row without sinking.	90
Quick Explorer	Complete level 5.	15
Quick Strategy	Swap fifty grids around.	90
Rookie Pirate	Collect your first trasure.	15
Royal Explorer	Complete Port Royal.	90
Sage of the Sea	Use tips for the first time.	30
Set Sail We Must	Complete the first level.	15
Ship Collision	Collide two ships for the first time.	15
Treasure Hunter	Collect fifty treasures.	90
Walk the Plank	Sink the ship for the first time.	15