"Trick-or-Treat Adventure Quest" very well may be one of the largest, if not THE largest, flash games you've ever played. You are Little Johnny, a kid in dire need of a Halloween costume who has to make do with what he can put together using household supplies. Once you have your costume pieced together, out into the real world you go for some Trick-or-Treating! But this isn't your average night in suburbia... many strange things are afoot and it's up to you to solve the puzzles if you want to enjoy all the delicious Halloween candies!