IOS Mobile Game APP Small Budget $300-$500

Must be a fun multiplayer game. Open to all ideas available for this budget. No sports, racing, or 100% shooting games. Look for fun quick games like Clash Royale or classic pokemon blue style. Not really looking for RPG, more of a 2v2 3v3 or 4v4 game. Please send me all ideas for budget. MUST HAVE YOUR OWN ASSETS!! If you have Ideas please include them in your proposal. Suggested Milestone 1. Start up - $100 2. Prototype $100 3. Finished Prototype with revisions $100-$300 (depends on how how well game was designed and plays