Oh yeah, I suppose it wouldn't be too hard to throw a couple of bonus puzzles into Puzzle Agent. I'm just thinking with the way Telltale designs their adventure games, there's no natural way to throw in any kind of "bonus area," unless they handled it maybe like SBCG4AP's extended play mode, I guess.
"I think it's the idea that counts, not the actual method. As long as you set out to cause a horrible death through insects eating the person, you're good." - apenpaap