Multi-Platform Killing Simulator Development

I'm looking for an experienced developer to create a killing simulator. The game should be available on both mobile and PC platforms.

Key Requirements:
- Immersive graphics and sound design
- Engaging gameplay mechanics
- User-friendly interface for both platforms
- Robust AI for challenging gameplay
- Multiplayer functionality is a plus

Ideal skills and experience:
- Proficiency in game development for mobile and PC
- Strong background in simulation and combat games
- Experience with AI integration
- Knowledge of UX/UI design for gaming applications

Please provide a portfolio with similar projects.