Here is the full list of all 13 Personal Rocket achievements.
Watch the post-credits scene.
Stay with Kat.
Launch the Rocket.
Give your opinion (that nobody asked) on the gnomes' looks.
It had it coming.
Be a better son and call your Mom.
Send your important e-mail.
Build your replacement computer.
Stay with Boom.
Stay with Mick.
You were curious about the cat.
Send the Internet guy to every place with no squirrels.
You see that shape everywhere.