Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Catch Them All (100 points)	Find all underground steambugs.
Entomologist (100 points)	Find all Hochwald steambugs.
First of Many (20 points)	Find your first steambug.
Marksman (50 points)	Complete a HO scene without more than a single mistake.
Master Debugger (100 points)	Find all castle steambugs.
No Skipping (30 points)	Finish 3 minigames without skipping.
People Person (30 points)	Talk to everyone at the inn.
Prequel (50 points)	Finish the bonus chapter.
Spy Master (150 points)	Complete the game on Expert Difficulty.
The Challenge (75 points)	Solve all minigames without skipping.
Undercover Agent (75 points)	Complete the game on Normal Difficulty.