Would love to see him play through the original Secret of Mana. I grew up on that game and it's a wonderful experience!
Metro 2033/ Last Light would be perfect!
You're right they aren't exactly scary, more of a suspense game than a scary one. Also the stealth mechanics are similar to Tomb Raider, which he is currently playing and loving. Its not fun unless it hurts... I think anyone ...
I just played through Dishonored a couple of weeks ago, I think you would really enjoy the pace of the game and it really allows you to play how you want (from relentless assassin to pacifist).
Antichamber, Young Merlin (SNES), or Hotline Miami.
To start things off, I dont know if you've already played these games on your own time, so disregard any that you have.
Rogue Legacy (This just seems to be right up your alley Day9, and I think its a wonderful idea for you.) Dungeons of Dredmor (a turn based dungeon crawler with a fantastic sense of humor. Wonderful for anyone really. DO ...
I don't know if anyone else has recommended it, but Borderlands and Borderlands 2 would be awesome!!!
The Walking Dead S1 - a great narrative experience and something new!
Not only is the game great in and of itself, we've also never seen Day play a complete choose-your-own-adventure game. Watching him make emotional decisions and go through intense story elements would be a lot of fun imo, I've always ...
Day's Day Off Suggestion!
I think a super fun game to watch for 7 hours would be Game Dev Tycoon! Most people know about the tycoon games, like Roller coaster Tycoon and such, but I think this one is particularly awesome. I just recently ...
Lucas Arts - Full Throttle
Amazing game, you will love it, I can already hear the Day signature laugh. Please play it. here is the intro: http://www.youtube.com/watch?v=PktBJ6HpNJQ
Sean you should totally play this. And for your scary game plannings, maybe you should take a peak at Alan Wake, just sayin' :)
DAY's day off suggestion: Bioshock Infinite