Created for the 2024 Tokyo Game Show, Diamond Castle is a vertical speed runner and mobile-friendly mini-game developed in collaboration with Google Play Japan. It blends retro flair, modern branding, and event-based interaction into a vibrant online experience.
🎥 Campaign Showreel
🌟 Key Highlights
- 🏰 Original Mini-Game – A vertical climber game with smooth mobile controls and high replay value.
- 📱 Online + On-Site – Built to extend the Tokyo Game Show experience beyond the exhibit hall.
- 🎁 Reward System – Leaderboard ranks, social sharing, and early sign-ups unlocked exclusive giveaways.
- 🤝 Cross-Studio Collaboration – Designed in partnership with Kayac and Hakuhodo for Google Play Japan.
- 🎮 Game Dev Collabs – Integrated content from top developers like HoYoverse and Bandai Namco.
🛠 My Role
As a frontend developer on the team, I helped build the website interface and ensure a seamless experience across devices. This included implementing the homepage layout, optimizing the game’s mobile performance, and collaborating closely with designers to bring the vibrant retro look to life.
🔧 The Process
- 🧭 User Flow & Wireframing – Established clear content structure and intuitive player journey from landing to game.
- 🧱 Asset Refinement – Ensured pixel-perfect placement of characters, objects, and collision zones.
- 🎨 Visual Balance – Merged Google Play’s bold identity with Diamond Castle’s playful, nostalgic style.
- 🧩 Iterative Collaboration – Worked side-by-side with Japanese designers and developers to align gameplay feel with real-world event excitement.
🧠 Designed For
- Tokyo Game Show 2024
- VIP Event Attendees
- Casual mobile gamers
- Game community on social platforms (X, LINE, etc.)
🛠 Built With
- Angular
- TypeScript
- Pixi.js
- CSS3 + HTML5
- Node.js
- Game analytics tools
🎥 Campaign Showreel
Diamond Castle brought the energy of Tokyo Game Show to life online — letting players everywhere climb, compete, and celebrate the joy of gaming. 🎮✨