- Deployed to Firebase with Firestore persistence
- Multiplayer leaderboard with versioned history
- Action queue to prevent race conditions
- Odometer animation for money values
- Player analytics and admin dashboard
- Google AdSense integration
- Player name syncing across sessions
- Core game loop: plants, factories, employees, real estate
- Stock market with dynamic pricing
- Loan system with interest rates
- Nuclear reactors and solar panels
- Android workers
- Win condition: reach ¥100B net worth
- Multi-language support (EN, JA, ZH)