Accomplish the indicated achievement to get the corresponding number
of Gamerscore points:

Engineer of Goo I (10 points): All OCD Flags in Chapter 1.
Engineer of Goo II (10 points): All OCD Flags in Chapter 2.
Engineer of Goo III (20 points): All OCD Flags in Chapter 3.
Engineer of Goo IV (20 points): All OCD Flags in Chapter 4.
Engineer of Goo V (20 points): All OCD Flags in Chapter 5.
The Architect of Goo (100 points): All OCD Flags.
Vice President of Goo Product (10 points): All Levels Complete.
Subversive Traveler (10 points): There is a secret.