iOS Puzzle Game Prototype Development

I'm looking for a freelancer to create a prototype for a time-based challenge puzzle game for iOS.

Key Features:
- The game will be a puzzle genre with time-based challenges.
- The prototype should be compatible with iOS.

Ideal Skills:
- Proficiency in iOS game development.
- Strong understanding of puzzle game mechanics.
- Experience with creating time-based challenges in games.

Please provide your portfolio of relevant projects.