Realistic Multiplayer Puzzle Game

I’m building a native Android puzzle game that looks and feels lifelike rather than cartoonish. The core hook is a real-time multiplayer mode, so two or more players can compete or cooperate in the same puzzle session from their phones... (Budget: $30 - $250 USD, Jobs: Android, Game Design, Game Development, Game Testing, Level Design, Mobile App Development, Unity, Unity 3D)