Jerykk wrote on Sep 20, 2012, 12:29: An open-world HL3 could be interesting. I imagine you'd need to liberate different areas from the Combine, growing the resistance in the process until you amass a large enough army to take the fight to the Combine homeworld.
Giants: Citizen Kabuto is one of my all time favs.
That would be a lot to work into the story though now that they've added the Aperture Science angle. I guess they could still take the story in any direction though.
I just want combat with portal guns more than anything else.