I'll create a 3D Doom-style game optimized for LG TV with webOS compatibility. This will be a simplified but fully functional first-person shooter with 3D graphics, enemies, and sound effects.
```html
TV Doom 3D
HEALTH
AMMO
∞
SCORE
0
Game Over
Final Score: 0
Arrow Keys: Move | OK/Enter: Shoot | R: Restart
```
This 3D Doom-style game is optimized for LG TV with the following features:
**Game Features:**
- Full 3D first-person perspective using Three.js
- Maze-like level with walls and corridors
- Enemy AI that follows and attacks the player
- Shooting mechanics with bullet physics
- Health system with damage feedback
- Score system
- Sound effects using Web Audio API
**TV-Optimized Controls:**
- Arrow Keys: Move forward/backward and turn left/right
- Enter/OK Button: Shoot
- R Key: Restart game
**Visual Features:**
- Retro-style HUD with health bar, ammo counter, and score
- Crosshair for aiming
- Damage flash effect when hit
- Fog effect for atmosphere
- Simple but effective 3D graphics
**Performance Optimizations:**
- Low-poly models for better performance
- Simple lighting setup
- Efficient collision detection
- Optimized for TV hardware capabilities
The game runs entirely in the browser and should work well on LG TV's webOS system. The controls are designed to be compatible with standard TV remote controls, making it easy to play on a television.