The game is Thrillville.
Had no idea what this game is about so, from Wikipedia
Thrillville is a simulation and strategy video game developed by Frontier Developments that depicts theme park management, similar to RollerCoaster Tycoon. Thrillville is available for PlayStation 2, PlayStation Portable and, in North America, Xbox
Cannot wait!!! Love the synergy with the cast. Thinking how they brought actual D&D sessions to an animated series is amazing.
Watching those old sessions side by side with scenes from the show is mindblowing.