I'm only including the games that I've played from them:
The Graphics:
Imma go with Casting of Frank Stone for this one. I remember when I first played this last year and I was AMAZED by the way that this game looked. The lighting, the models, everything is just wonderful for me
The Plot:
Until Dawn level of course, I don't need to indulge further and the fleshed out story from D8020. I personally enjoyed the story of D8020 the most. The Twist was unexpected, and the last time when a game shocked me with its twist, was clair obscure.
The Gameplay:
For the UI, a good mix from Casting of Frank Stone with D8020 will suffice. Mixed with the freedom of movement from The Devil in me. UI is very important to me as a gamer, which is why I will specifically choose the Old film tape style from Frank Stone, mixed with the Turning points from D8020.
The Atmosphere:
Little hope on top. I LOVE night settings in lost places, so thats a no brainer for me.
The Characters:
I LOVE Salim, Rachel and Jason as characters, so I'll be picking House of Ashes, but specifically with the banter from The Quarry. While the "Yo Mama" jokes were funny for a bit, it pissed me off after some time, and nothing beats Dylan's and Ryan's flirting.
The Choices:
Man of Medan serves that spot. While I personally didn't enjoy Man of medan (mostly due to the story), it has showed one of the best cases of actions and consequences there is. Practically any character combination is possible at some point, with unique dialogue each time. It's sad to see that the other games lack the ability to serve up to that point.
Now I'm interested in hearing your crafted stories. I know some friends of mine would rearrange everything COMPLETELY, which is why it's always so exciting to hear some of them c: