🎮 Grass.fun – Mantle Gaming Platform

Grass Fun is a blockchain-based gaming platform on Mantle Sepolia Testnet offering multiple casino-style games with provably fair mechanics. Play, win, and earn real MNT tokens!
Live Link : https://grassdotfun.vercel.app/

🌟 Features

🎯 Games

• Coinflip – Classic heads or tails

• Mines – Risk vs reward minefield game

• Rugs (Crash) – High-stakes crash game

• Paaji On Top – Grid-based game with progressive rewards

🔐 Blockchain Integration

• Mantle Sepolia Testnet – Fast, secure, low-cost

• Smart Contract Logic – Transparent and provably fair

• Automated Resolution – No manual intervention

• Real-time Wallet Balance – Instant updates

💰 Financial Features

• MNT Token Support – Native token for all games

• Multi-currency Display – MNT, USD, INR

• Instant Withdrawals – Secure and fast

📊 Analytics

• Personal stats and performance tracking

• Global leaderboard

• Game history and charts

🎨 UI/UX

• Fully responsive

• Dark theme for eye comfort

• Smooth animations and sound effects

🏆 Games

🪙 Coinflip

• Predict heads or tails, 1.95x multiplier

💣 Mines

• Find gems, avoid mines, up to 24x multiplier

🚀 Rugs (Crash)

• Cash out before the crash, dynamic multiplier

🎯 Paaji On Top

• 

  Navigate the grid to reach the top, progressive rewards

🏆 Global Leaderboard

Compete globally and climb the rankings!

📋 Contract Information

Current Deployment

• Network: Mantle Sepolia Testnet (Chain ID: 5003)

• Contract Address: https://sepolia.mantlescan.xyz/address/0x61d11c622bd98a71ad9361833379a2066ad29cca

• Deployer: 0x2D4575003f6017950C2f7a10aFb17bf2fBb648d2

• Transaction Hash: https://sepolia.mantlescan.xyz/tx/0x5e3f4df469c460f7d83a52a94f1801316ba4feb2e82bd6b9f0eb34f15ed73c13

• Block Number: 33385809

• Deployed: January 13, 2026

Contract Features

• ✅ Provably Fair Gaming - All games use transparent, verifiable mechanics

• ✅ Multi-Game Support - Mines, Crash, Paaji, Coinflip

• ✅ User Statistics - Complete gaming history and performance tracking

• ✅ Instant Withdrawals - Fast and secure MNT token transfers

• ✅ Real-time Price Conversion - Live MNT to USD/INR rates

🎯 Game Resolution System

Grass.fun uses an automated resolver system that processes game outcomes without user intervention:

How It Works

1. User plays game → Game state stored on-chain via smart contract

2. Automated resolution → Games are resolved based on provably fair outcomes

3. Winnings credited → Users can withdraw MNT tokens from stats page

4. Real-time updates → All statistics and balances update instantly

Resolution Features

• ✅ Provably Fair - All game outcomes are transparent and verifiable

• ✅ Instant Processing - Games resolve immediately after completion

• ✅ Secure Withdrawals - MNT tokens transferred directly to user wallets

• ✅ Complete History - All games and transactions are recorded on-chain

📊 Smart Contract Methods

User Methods

• startGame(gameId, gameType) - Start a new game with MNT bet

• withdraw() - Withdraw winnings to wallet

• getUserStats(address) - Get user statistics

Game Types

• "mines" - Minesweeper game

• "crash" - Crash multiplier game

• "paaji" - Paaji On Top game

• "coinflip" - Coin flip game

Contract Events

• GameStarted(address indexed player, string gameId, string gameType, uint256 betAmount)

• GameResolved(address indexed player, string gameId, bool didWin, uint256 multiplier)

• Withdrawal(address indexed player, uint256 amount)

🎯 Roadmap

Cross-Chain

• Multi-chain gaming

• Universal leaderboard

• Cross-chain tournaments

Gaming Features

• Mobile app

• Tournament mode

• NFT rewards

• Social features

• Additional games

Technical Improvements

• Layer 2 support

• Advanced analytics

• AI-powered recommendations

• Developer APIs

🙏 Acknowledgments

• Mantle Sepolia Testnet – EVM-compatible blockchain

• Next.js Team – React framework

• Open Source Community – Tools and libraries

Built with ❤️ by the Grassdotfun Team
Decentralized gaming, reimagined on Mantle Sepolia

Progress During Hackathon

Built a blockchain-based gaming platform on Mantle Sepolia Testnet. Implemented multiple casino-style games: Coinflip, Mines, Crash (Rugs), and Paaji On Top. Integrated provably fair smart contracts with automated game resolution. Enabled real-time MNT token support, price conversions, and instant withdrawals. Developed user analytics: stats tracking, leaderboard, and game history. Designed responsive, dark-themed UI with smooth animations and sound effects.