I'm Stuck!

This feature was a sort-of replacement for a walkthrough - visitors could write in saying where they're stuck and I'd try and help them move on.

Chapters:

1. Point Insertion
2. "A Red Letter Day" - no help requested
3. Route Kanal
4. Water Hazard
5. Black Mesa East - no help requested
6. "We don't go to Ravenholm..."
7. Highway 17
8. Sandtraps
9. Nova Prospekt - no help requested
   1. Entanglement - no help requested
10. Anticitizen One
11. "Follow Freeman!" - no help requested
12. Our Benefactors
13. Dark Energy