Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
The SkateBIRD	Beat every mission, find every unlockable, then watch the credits.	120
They Appreciated Your Work	Complete all the missions in Humble Bedginnings.	80
They Heard Some Weird Noises	Complete all the missions in Scared Of Heists.	80
They Received A Mysterious Windfall	Complete all the missions in The Forgotten Gibson.	80
They Suspected Nothing	Find the GIBSON.	80
They Trained You Well	Become a skateboarding bird.	80
They Were At Lunch	Get into the boss's office, so you can trash it.	80
They Were Glad To Leave	Complete all the missions in Big Business.	80
They Were Secretly Happy	Complete all the missions in Bringing It Home.	80
They Were So Happy To See You	Escape the collapsing organization.	80
They Were Surprised	Finish "decorating" for the party.	80
They Worried You Were Lost	Reach the rooftop.	80