CONNECT. PLAY. REPEAT.
Grass Fun is a blockchain-based gaming platform on U2U Solaris Mainnet, offering multiple casino-style games with provably fair mechanics. Play, win, and earn real U2U tokens!
Live Link : https://grassdotfun.vercel.app/

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
U2U Solaris Mainnet – Fast, secure, low-cost
Smart Contract Logic – Transparent and provably fair
Automated Resolution – No manual intervention
Real-time Wallet Balance – Instant updates
U2U Token Support – Native token for all games
Multi-currency Display – U2U, USD, INR
Instant Withdrawals – Secure and fast
Personal stats and performance tracking
Global leaderboard
Game history and charts
Fully responsive
Dark theme for eye comfort
Smooth animations and sound effects

Predict heads or tails, 1.95x multiplier

Find gems, avoid mines, up to 24x multiplier

Cash out before the crash, dynamic multiplier


Navigate the grid to reach the top, progressive rewards
Compete globally and climb the rankings!
Network: U2U Solaris Mainnet (Chain ID: 39)
Contract Address: https://u2uscan.xyz/address/0x4141fE3C1bD052dCcAb0fc54A816672447cDf14F
Deployer: 0x2D4575003f6017950C2f7a10aFb17bf2fBb648d2
Transaction Hash: https://u2uscan.xyz/tx/0x249a4316ccc0bb09f47d586f76b82c81de1c84f22555a52ba66e937e169509ef
Block Number: 40015168
Deployed: October 5, 2025
✅ 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 U2U token transfers
✅ Real-time Price Conversion - Live U2U to USD/INR rates
Grass.fun uses an automated resolver system that processes game outcomes without user intervention:
User plays game → Game state stored on-chain via smart contract
Automated resolution → Games are resolved based on provably fair outcomes
Winnings credited → Users can withdraw U2U tokens from stats page
Real-time updates → All statistics and balances update instantly
✅ Provably Fair - All game outcomes are transparent and verifiable
✅ Instant Processing - Games resolve immediately after completion
✅ Secure Withdrawals - U2U tokens transferred directly to user wallets
✅ Complete History - All games and transactions are recorded on-chain
startGame(gameId, gameType) - Start a new game with U2U bet
withdraw() - Withdraw winnings to wallet
getUserStats(address) - Get user statistics
"mines" - Minesweeper game
"crash" - Crash multiplier game
"paaji" - Paaji On Top game
"coinflip" - Coin flip game
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)
Multi-chain gaming
Universal leaderboard
Cross-chain tournaments
Mobile app
Tournament mode
NFT rewards
Social features
Additional games
Layer 2 support
Advanced analytics
AI-powered recommendations
Developer APIs
U2U Solaris – EVM-compatible blockchain
Next.js Team – React framework
Open Source Community – Tools and libraries
Built with ❤️ by the Grassdotfun Team
Decentralized gaming, reimagined on U2U Solaris
Built a blockchain-based gaming platform on U2U Solaris Mainnet. 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 U2U 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.
Phase 1: U2U Integration (3 months – $50K) Smart contract optimization and security audits for the U2U Solaris Mainnet, enhancement of mainnet smart contracts for improved gas efficiency, U2U wallet integration across all gaming interfaces, and deployment of advanced monitoring and infrastructure tools to ensure seamless mainnet performance. Phase 2: Gaming Ecosystem Bootstrapping (6 months – $60K) Gaming validator incentive program to bootstrap 50+ nodes globally, establishment of U2U token liquidity pools to ensure reliable and timely gaming payouts, geographic expansion to 15+ regions for global gaming accessibility, and onboarding of community validators with ongoing technical support for decentralized gaming infrastructure. Phase 3: Product Development (6 months – $30K) Development of an advanced gaming analytics dashboard with real-time statistics, mobile app development for both iOS and Android, creation of Web3 gaming APIs and developer tools for the U2U ecosystem, and integration of enterprise-grade gaming features including tournament management and white-label solutions for partners. Phase 4: Go-to-Market (6 months – $10K) Creation of gaming SDK documentation and developer onboarding resources, integration guides for Web3 gaming projects on U2U, production of marketing content including tutorials, case studies, and live gaming streams, along with community building and strategic partnerships with gaming ecosystems. Why This Grant Matters: Without external funding, we can only maintain the current live MVP. This grant enables us to fully leverage U2U’s DAG architecture for high-performance decentralized gaming, build a self-sustaining gaming validator economy with strong incentives, compete with centralized gaming platforms while maintaining decentralization, and bring real gaming utility and thousands of active users to the U2U ecosystem. This $150K investment will deliver 10x returns through accelerated U2U adoption, validator participation, and overall gaming ecosystem growth.