By midnight I had forgotten my own name.

Not literally, of course. The government still had records. My bank still expected mortgage payments. Somewhere in the bureaucratic machinery of Britain there remained a file insisting I was a normal citizen, but inside Your Capital I had become The Collector. This was not acting. Acting is polite. Acting is a temporary arrangement between strangers. This was possession.

For hours I had wandered Post Bar carrying an entire alternate economic reality inside my skull. Every interaction became a transaction. Every conversation became a negotiation. Every human being transformed into a potential source of value, opportunity, or leverage. I had ceased relating to people as people and started relating to them as assets moving through a system.

The strange thing was how quickly it became natural. This is the dirty secret of immersive theatre. We imagine we are pretending. In reality we are installing a new operating system. The Collector became a lens through which the world was filtered. Different incentives. Different assumptions. Different definitions of success.

I was no longer myself. I was running different software, and the terrifying thing was that it worked. The boundaries of Your Capital were supposedly obvious. The game occupied Post Bar. The game had rules. The game had objectives. However, unlike chess, there was no neat wooden edge around the board. The borders were soft. Permeable. Leaking.

This would become important later.

Act 1: A moment of reflection

Hours after the game ended, I sat drinking a pint of Post Lager while 50/50 Sound System celebrated their fortieth anniversary with enough bass to rearrange nearby internal organs. The game was over. The Collector was gone. I had returned to civilian life.

Or so I thought. Someone described an incident involving our friend Will. Will was not playing the game. This is a crucial detail. He existed outside the fictional economy of Your Capital. He had not agreed to the rules. He had not adopted the shared assumptions. He remained a citizen of ordinary reality.

Yet somehow he had acquired Braid cards from someone inside the game. A transaction had occurred.

Meanwhile, the player involved had become obsessed with collecting solarpunk stamps. This was strange because solarpunk stamps were not the objective. Business cards were the objective. The stamps were merely a mechanism for obtaining business cards. They were a means rather than an end.

Yet the player had become captivated by the stamps themselves. The economic equivalent of a man becoming so fascinated by supermarket loyalty points that he forgets to buy groceries.

Suddenly, I recognised what had happened.

A rogue variable had entered the system. Something had appeared at the edge of the game board. The boundary between realities had become unstable.

Act 2: The Beast

This reminded me of a story from one of the earliest Alternate Reality Games ever created: The Beast, developed to promote Steven Spielberg’s A.I.. The creators operated under a principle called “This Is Not A Game.” Everything was treated as real. At one point players encountered a murder victim played by an actor in Chicago. Eventually, the actor finished work and went home.

The players followed him. When he explained he was merely an actor, they assumed that explanation was also part of the game. They followe him all the way to his house.

The police became involved. Even being arrested failed to convince them they had left the game. Reality itself had become another clue. The board had dissolved. The game had escaped, and sitting there in Post Bar, listening to dub bass ricochet around the room, I realised this wasn’t really a problem about games.

It was a problem about language.

Act 3: Language games

The philosopher Ludwig Wittgenstein spent much of his career arguing that meaning comes from use. Words don’t possess fixed meanings. They acquire meaning through participation in what he called “language games.” A courtroom is a language game. A football match is a language game. A prayer is a language game. A joke is a language game. Each operates according to different rules.

The word “out” means something completely different depending on whether you’re talking about cricket, prison, or a lightbulb. Meaning isn’t located inside words. Meaning lives in the activity. Inside Your Capital, words like “value,” “exchange,” “ownership,” and “capital” belonged to a specific language game. Participants understood the rules.

Then Will appeared. Someone operating under a different set of assumptions. A different language game. A different reality model. Suddenly signals started crossing wires. This is the game board edge problem.

Inside the game, actions have meanings determined by the game. Outside the game, the same actions have entirely different meanings. At the boundary, confusion emerges. The player collecting solarpunk stamps was following one logic. Will was following another. Both were behaving rationally according to their respective worlds. The problem was that the worlds overlapped.

Wittgenstein once described philosophy as helping a fly escape from a fly bottle. The fly repeatedly crashes into invisible walls because it misunderstands the shape of the container. The game board edge problem feels remarkably similar. You think everyone occupies the same reality. Then suddenly you discover they’re playing a different game entirely.

Politics works like this. Religion works like this. Markets work like this. Social media certainly works like this. Entire nations now consist of millions of people occupying incompatible language games while sharing physical space. Perhaps that was the most important lesson of Your Capital.

Epilogue: Economic, social and linguistic relations

Economic relations are social relations. Social relations are linguistic relations. Language itself is a game we agree to play together. The Collector understood this instinctively. The man drinking larger afterwards understood it philosophically. Both arrived at the same conclusion.

Reality is less solid than we like to imagine.

Most of civilisation depends upon enough people agreeing where the edge of the board actually is. Every now and then, usually after several hours of immersive theatre and one pint too many, you glimpse the boundary. Then you realise there was never really a boundary there at all.