I can't lie...I do not like HL2. It was a slog to play through for me. I'm sure playing it when it first came out was cool, but playing it on the Orange Box did nothing for me.
Edit: To answer the question though, COD4, Halo, Resistance, Killzone 2. Much more fun playing those games.
Edit: To answer the question though, COD4, Halo, Resistance, Killzone 2. Much more fun playing those games.