- Game mechanics, combat and enemy systems (GameMaker / GML)
- Level and island design and balancing
- Pixel art, sprites and animations (Aseprite)
- Narrative, dialogue and Sylora world-building
- Full-stack backend: database, APIs, authentication and cloud saves (PHP / MySQL)
- Frontend, interface and UX (HTML / CSS / JS), i18n, SEO and deploy (Docker / Railway)