Kotobee
KotoBee is a gamified Japanese vocabulary learning platform designed to guide beginners from zero to structured mastery. The system integrates level progression, experience points (EXP), quizzes, streak tracking, and interactive audio-based learning to create an engaging and structured learning journey. Users unlock learning materials progressively through a level-based system, ensuring consistent improvement and long-term retention.







Key Features
- Multi-section landing page explaining platform features and structured Japanese learning roadmap
- Google authentication integration for secure and seamless login
- Personalized learning dashboard with real-time progress tracking
- Level-based gamification system (Level 1–5) with unlockable learning content
- Daily learning progress monitoring including level, completed materials, and activity summary
- Hiragana and Katakana learning modules (Gojuon, Dakuten, etc.) with writing guide, pronunciation, examples, and audio support
- Timed objective-based quiz system (Beginner, Intermediate, Expert) with Random and Manual modes
- Quiz review system with answer evaluation and EXP calculation
- Comprehensive vocabulary learning module with meanings, sentence examples, variations, and audio pronunciation
- Vocabulary quiz system with difficulty scaling and reward mechanics
- Global leaderboard ranking system displaying Top 10 users and individual rank position
- User profile management (name and avatar customization)
- Dark mode and light mode support for improved user experience
- Fully responsive design optimized for desktop, tablet, and mobile devices