Roblox GAG2 PvP Coinflip Site

I need a real-time, MERN-based platform that lets Grow a Garden 2 players wager their in-game currency and items in head-to-head coinflips, plus a few extra mini-games. Players will deposit or withdraw... (Budget: $30 - $250 USD, Jobs: API Development, Express JS, Game Development, JavaScript, MERN, MongoDB, Node.js, PHP)