Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Baby steps	Complete chapter 1.
Cheater	Complete each level in first try.
Expert	Complete the game without using any assists.
Getting the hang of it	Hit 5 trigger platforms with a single throw.
Getting there	Hit 3 trigger platforms with a single throw.
Grandmaster	Complete each level in 3 or fewer tries.
Hurl, you shall not!	Complete chapter 1 with no more than 30 throws.
Hurling through hell. NOT.	Complete chapter 2 with no more than 50 throws.
Inexperienced	Try all of the assists.
It's all about the timing	Hit a moving bouncer platform.
Master	Complete each level in 6 or fewer tries.
Patience is a virtue	Hit a moving secondary trigger platform.
Peeeewww...	Hit bouncer platforms 10 times.
Perfect timing	Hit a moving platform after throwing ball through a portal.
Precise hand	Complete the game without using pull in assist.
Sniper	Complete the game without using trail assist.
Spare some balls	Complete chapter 3 with no more than 70 throws.
Tactician	Complete each level in 9 or fewer tries.
That's how it's done	Hit 7 trigger platforms with a single throw.
The end... Or is it?	Complete chapter 3.
The grand plan	Hit 7 platforms of any kind with a single throw.
There and back again	Throw a ball into a portal.
Timeless	Complete the game without stopping moving platforms.
Wasn't that hard, right?	Complete chapter 2.