Credit to RedStar76 for the idea and the achievements.

Achievement Set #1 (Complete to unlock set #2)
Completion: 6/8

Those first words (Make a story that people like):

Unlocked

Making new friends (get a follower):

Unlocked

Friendship is nice (10 followers):

Unlocked

Friendship is 20% nicer (20 followers):

Unlocked

Now then *grabs rocket launcher* who said we couldn't break the fourth wall a little? (Write a crossover story):

Unlocked

A Collaborative Effort (Do a collab with another author):

Maybe?

The Perfect Shot (Make a successful one-shot story):

Locked

Friendship is Epic (30 Followers):

Unlocked

Achievement Set #2 (Locked until set #1 is complete)
Completion: Locked

Friendship is Four-tastic! (40 followers):

Locked

Let's draw some random crap! (Start 'attempting' to draw stuff for you guys. Inspired by the amazing ShutterGuy.):

Locked

It's Custom... (Custom Cover Art for one of my stories.)

Locked

Random Style! (Write a story with the random tag):

Locked

Friendship is Halfway there! (50 followers):

Locked

So... Romantic...(Write a story with the romance tag):

Locked

My goals only lie in darkness... (Write a story with the dark tag.):

Locked

Friendship is Six Stars! (60 followers):

Locked