Grimrock

Well that was fun, NOT. Go into the dragon temple, press the button on the wall, instantly die. Awesome. So glad I had a chance to save before hand. O wait! Ya know, it said don't enter areas that are higher than your rank, but it didn't say don't press the buttons on the wall to open the door. I ha...

I would look toward the survival horror genre, which tends to be very heavily filled with puzzles, rooms to explore, and secrets. I specifically recommend the Penumbra series. Penumbra has a lot of rather difficult puzzles that you have to think cleverly about how to solve and it has a lot of the ex...