Beat Hang Low to unlock a minigame called Goo Corp on the Title Screen and World Map. In this mode you can play around and make a tall tower.
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.
Beat Leap Hole to unlock the Whistle. This item calls Goo balls and can be used to lead Goo balls to a pipe, add weight to a structure or prevent wobbling.
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