DuelCraft
Blockchain-powered 1v1 fighting game on Mantle with NFT characters, dual-token economy, real-money cash duels, marketplace, tournaments, and season passes. Play to earn and compete!
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Description
DuelCraft is a blockchain-powered 1v1 fighting game built on Mantle Network, combining real-time PvP combat with Web3 economics. Players mint unique character NFTs, compete in skill-based battles, and earn rewards through multiple game modes.
KEY FEATURES:
šØ Dynamic Character NFTs
ā¢ Mint Warriors or Mages as ERC-721 NFTs on Mantle
ā¢ Global rarity - each character type can only be minted once
ā¢ On-chain stat tracking: Level, XP, wins, losses, total matches
ā¢ Visual customization with body colors, hairstyles, outfits, effects
š° Dual Token Economy
ā¢ Arena Coins (off-chain): Earned from matches, spent in cosmetics shop
ā¢ ARENA Tokens (ERC-20): Used for NFT marketplace, tournaments, season passes
ā¢ MNT Tokens (native): Used for high-stakes cash duels
šø Cash Duel System
ā¢ Three tiers: Bronze (2 MNT), Silver (10 MNT), Gold (20 MNT)
ā¢ Winner takes 90%, 10% platform fee
ā¢ Player protection: Daily limits (10 duels/day), 5-min cooldowns, emergency withdrawals
ā¢ Anti-cheat mechanisms with server-authorized results
šŖ NFT Marketplace
ā¢ Buy/sell cosmetic NFTs with ARENA tokens
ā¢ Rental system with flexible periods (1, 7, 30 days)
ā¢ Categories: Skins, Effects, Emotes, Accessories
ā¢ Trustless smart contract execution
š Tournament System
ā¢ Weekly tournaments with ARENA entry fees
ā¢ Prize pool distribution: 60% / 25% / 15%
ā¢ Single elimination brackets
ā¢ Hall of Champions tracking
ā¢ NFT badges for winners
šļø Season Pass
ā¢ 5-tier progression: Bronze ā Diamond
ā¢ XP and coin multipliers (up to 2.5x)
ā¢ Exclusive rewards and perks
ā¢ Purchased with ARENA tokens
āļø Real-time PvP Combat
ā¢ WebSocket-based matchmaking
ā¢ Phaser.js game engine with smooth animations
ā¢ Character actions: Idle, Walk, Jump, Punch, Special Attacks
ā¢ Match results automatically recorded on blockchain
TECHNICAL STACK:
ā¢ Frontend: React 19, Phaser.js, TailwindCSS, Ethers.js
ā¢ Backend: Node.js, Express, WebSocket, TypeScript, MongoDB
ā¢ Smart Contracts: Solidity 0.8.20 on Mantle Testnet
ā¢ 6 deployed smart contracts with full integration
DuelCraft showcases Mantle's capabilities by leveraging its low gas fees for frequent on-chain interactions while maintaining a seamless gaming experience.
Progress During Hackathon
Built a complete end-to-end blockchain gaming platform on Mantle Network: ā Smart Contract Development ā¢ Developed and deployed 6 smart contracts on Mantle Testnet ā¢ Implemented CashDuel system with MNT wagering (3 tiers) ā¢ Created ERC-20 ARENA token economy ā¢ Built ERC-721 NFT character system with on-chain metadata ā¢ Developed Marketplace with buy/sell/rent functionality ā¢ Implemented Tournament and Season Pass contracts ā¢ Added server authorization for anti-cheat protection ā Backend Infrastructure ā¢ Built Node.js/TypeScript server with WebSocket support ā¢ Implemented real-time matchmaking engine ā¢ Created blockchain integration service with ethers.js ā¢ Developed MongoDB schema for off-chain data ā¢ Built RESTful API for profiles, matches, and cash duels ā¢ Implemented JWT authentication system ā Frontend Development ā¢ Created React-based UI with 10+ pages ā¢ Integrated Phaser.js game engine for combat ā¢ Built character creation and customization system ā¢ Developed Hub, Shop, Marketplace, Tournament interfaces ā¢ Implemented MetaMask wallet integration ā¢ Created real-time balance tracking for 3 currencies ā¢ Built responsive design with TailwindCSS ā Game Mechanics ā¢ Developed real-time PvP combat with animations ā¢ Implemented matchmaking and lobby system ā¢ Created dual game modes: Casual Arena and Cash Duels ā¢ Built progression system with XP and leveling ā¢ Added cosmetics shop with rarity tiers ā Testing & Deployment ā¢ Deployed all contracts to Mantle Testnet (Chain ID: 5003) ā¢ Verified contract integrations ā¢ Tested cash duel flows with MNT ā¢ Validated NFT minting and trading ā¢ End-to-end testing of all features
Tech Stack
Fundraising Status
No fundraising yet / Bootstrapped