On that, my dissertation is a game design. Specifically, Contractual Hero: A Talky RPG. Both the prototype/ludic sketch that I just linked to and the design document. Feel free to have a look at and play around with them, if you're interested. Contractual Hero is a fantasy RPG with a Tactical Discussion System at its core, offering versatile and rewarding social "combat".
I'm proud of how Contractual Hero came out. While the prototype seems fairly small, I put a lot of effort into it and I reckon it hit my design goals near-perfectly.