- Open field gameplay with boundary walls only
- Three types of squares: safe (white), visual danger (red), audio danger (hidden)
- Directional audio system with stereo panning and pitch variation
- Proximity warnings with spatial audio cues
- Multi-sensory feedback (visual, audio, haptic)
- HTML5 Canvas rendering with smooth animations
- Web Audio API integration for rich sound effects
- Responsive design and modern JavaScript ES6+ modules
