I'd be happy to summarize PlotTwyst for you.

PlotTwyst is a procedural mystery game that takes place in a fictional setting, where you play the role of a detective trying to solve a murder mystery. The game is set in a procedurally generated town, where the layout, characters, and story are all dynamically created based on a set of underlying algorithms.

Here's a breakdown of how the game works:

1. **Initial Setup**: The game begins with a brief introduction to the town and the murder that occurred. You're presented with a list of NPCs (non-player characters) who are all potential suspects, victims, or witnesses.
2. **Investigation**: You can interact with each NPC by asking them questions, viewing their alibis, and examining their relationships with other characters. The game responds with a stream of clues, statements, and interactions that help you gather information.
3. **Clue Collection**: As you investigate, you collect clues, which can be physical objects, witness statements, or other forms of evidence. These clues are stored in your inventory and can be used to piece together the events surrounding the murder.
4. **Theory Building**: You can use the clues to form theories about the murder and the events leading up to it. The