World Of Goo (PC)
When you select a level in a chapter, notice the "Retry" button at the lower left corner of the level. Select it, and if you click on it in the lower right corner of it you will see a "Skip This Level" button for some levels.
Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.
- Engineer of Goo I: All OCD Flags in Chapter 1.
- Engineer of Goo II: All OCD Flags in Chapter 2.
- Engineer of Goo III: All OCD Flags in Chapter 3.
- Engineer of Goo IV: All OCD Flags in Chapter 4.
- Engineer of Goo V: All OCD Flags in Chapter 5.
- Executive Producer of Goo Product: All Levels Complete.
- Subversive Traveler: There is a secret.
- The Architect of Goo: All OCD Flags.
Strategy guides from GameFAQs