About this game

What would your favourite book look like as a city?

Books describe philosophies in isolation. Book World Builder stress-tests them at scale. Each city is a thought experiment — what actually happens when 100% of citizens follow Stoic principles, or Hustle, or the Growth Mindset?

Pick a philosophy, place buildings on an 8×8 grid, and watch your stats — Happiness, Productivity, Resilience, Connection — evolve over twelve years of crises and opportunities. Some philosophies absorb storms. Others print money. None of them are free.

The best run isn’t the highest score. It’s the one where you finally see the trade-off your favourite book never quite admits to.