This suggestion is a ...deserteagleeye said:999 is basically SAW but with less gore, an actually good story, and characters you care about.
That game is so good with all the little pseudoscience hints and the misdirections that the bracelets provide. And then it turns out that everyone has their secrets and all that just adds to the already awesome characters. And it's just a bonus that the puzzles are pretty good too. My only complaint is that the plot went a little off the rails at the end, but that doesn't change that more people need to play that game.