Here is the full list of all 11 Turtle's Quest (Windows) achievements worth 1,000 gamerscore.
You found all the hidden items
You listened to the secret meeting conversation and discovered something about the imprisoned pirate
Just landed
You watched the first memory cut scene
Show you are smart, brave, fast and sneaky.
Make something boom!
Run, run, run, stop!
Achieve a prize by losing
Find all the pieces needed to fix the cart
Complete the Chapter 1
Watch all the titles and the bloopers.