Sentence Builder 5000

Structured English practice

This learning world is split into thirty level libraries. Each level selects a small session from its own content bank and uses local mastery tracking to bring unseen or weaker items forward. Bangla support and US/UK text-to-speech are available where the browser supports them.

Zevlixa is designed as a fast installable web app. Core game content works without a database, and learning/progress data is kept in the browser with export/import backup controls. Optional Workers AI features are enhancements rather than requirements, so the local level libraries remain playable when AI is unavailable.

এই ওয়ার্ল্ডে ৩০টি ধাপে অগ্রগতি করা যায়। মূল কনটেন্ট লোকাল ডেটা থেকে চলে, তাই এআই না থাকলেও খেলা ও শেখা চালিয়ে যাওয়া যায়।