Mythos - Web3 Gaming Parachain Documentation
Build on Mythos, the Polkadot gaming parachain powering cross-game NFTs, DAO governance, and play-and-own economies with Dwellir RPC.
Mythos RPC
With Dwellir, you get access to our global Mythos network which always routes your API requests to the nearest available location, ensuring low latency and the fastest speeds.
Get your API keyWhy Build on Mythos?
Mythos is Mythical Games’ dedicated Polkadot parachain for Web3 gaming, bringing over 3.6 million existing player accounts and titles like NFL Rivals, Nitro Nation World Tour, and Blankos Block Party into a shared economy that now settles on Polkadot relay chain security.
Play-and-Own at Scale
- 400,000+ monthly active players already engage with Mythical titles, ensuring organic demand for on-chain assets.
- Mythos finalized its migration to Polkadot in September 2024, inheriting relay chain security while unlocking greater throughput for in-game economies.
- Mythical Marketplace processed millions of transactions pre-launch; Polkadot integration adds XCM channels for future loot drops and championships.
Cross-Game NFT Interoperability
- GAM3S’ Mythical Forest became the flagship cross-game quest hub, distributing interoperable cosmetics across the Mythos ecosystem.
- Mythical outlined mandatory migration paths for Blankos Block Party collectibles, guaranteeing existing player items persist on Mythos Mainnet.
DAO-Governed Ecosystem
- The Mythos DAO stewards decision-making on game onboarding, marketplace fees, and ecosystem grants, backed by the MYTH governance token supply.
- Polkadot’s OpenGov approved Mythos’ parachain slot, aligning DAO proposals with parachain treasury workflows.
Quick Start with Mythos
Connect to Mythos Mainnet over Dwellir’s low-latency infrastructure:
curl -sS -X POST https://api-mythos-archive.n.dwellir.com/<API_Keys_Are_Not_Made_for_Bots> \ -H 'Content-Type: application/json' \ -d '{"jsonrpc":"2.0","method":"chain_getBlockHash","params":[0],"id":1}'import { JsonRpcProvider } from 'ethers';const provider = new JsonRpcProvider( 'https://api-mythos-archive.n.dwellir.com/<API_Keys_Are_Not_Made_for_Bots>');const latest = await provider.getBlockNumber();console.log('block', latest);import requestsurl = 'https://api-mythos-archive.n.dwellir.com/<API_Keys_Are_Not_Made_for_Bots>'payload = { 'jsonrpc': '2.0', 'id': 1, 'method': 'chain_getBlockHash', 'params': [0]}resp = requests.post(url, json=payload)print(resp.json())package mainimport ( "bytes" "fmt" "io" "net/http")func main() { url := "https://api-mythos-archive.n.dwellir.com/<API_Keys_Are_Not_Made_for_Bots>" payload := []byte(`{"jsonrpc":"2.0","id":1,"method":"chain_getBlockHash","params":[0]}`) resp, err := http.Post(url, "application/json", bytes.NewBuffer(payload)) if err != nil { panic(err) } defer resp.Body.Close() body, _ := io.ReadAll(resp.Body) fmt.Println(string(body))}Tip: Sign in to the Dwellir dashboard and Get your API key before adding endpoints to production clients.
Use HTTPS for servers and wss://api-mythos-archive.n.dwellir.com/YOUR_API_KEY for latency-sensitive WebSocket subscriptions.
Installation & Setup
Network Information
| Parameter | Value | Details |
|---|---|---|
| Parachain ID | 3369 | Assigned via Mythos genesis preset |
| Average Block Time | 6 seconds | Aura slots tuned for gameplay |
| Consensus | Aura + GRANDPA | Relay chain finalized |
| Native Token | MYTH | Governance & marketplace utility |
Mythos inherits Substrate defaults while enabling 6-second blocks, 10 MB PoV limits, and economics optimized around the MYTH token with weight-based transaction fees.
API Reference
Mythos inherits the standard Substrate namespaces while layering on gaming-focused runtime calls for NFTs, marketplace activity, and player inventory sync.
Gaming Features
NFT & Asset Lifecycle
pallet_nftsenables zero-deposit collection creation, serial minting, and attribute locking to ship seasonal collectibles.- Developers can gate minting via whitelists or pre-signed approvals, ideal for tournament drops or rarity tiers.
Cross-Game Compatibility
- Beamable’s Mythos integration syncs player inventory across Unity and Unreal projects, minimizing engine-specific logic.
- Mythical Marketplace analytics show sustained trading volume across titles, ensuring liquidity for interoperable skins.
Marketplace & Escrow
pallet_marketplacepluspallet_escrowfacilitate trustless swaps, timed listings, and fee sharing via Mythos DAO policy.- Example sale: extrinsic
0x6f26cdb2c3398f2cabaa0bf51d3c8ec3f3cbe75ffb8b9b8853718055517b2497executednfts.mintfor a Nitro Nation crate on block 2,611,955.
SDK Integration Patterns
Unity & Unreal
- Beamable Mercury SDK adds first-party Unreal support for Mythos inventory endpoints, mirroring Unity parity.
- Use Beamable’s Content flow to push Mythos NFT templates directly into LiveOps campaigns, removing bespoke backend needs.
Web & Backend Services
- REST backends can leverage
subxtor Polkadot.js server-side to stream marketplace events and update web portals. - DotLake analytics confirm 3.3 million Mythos transactions since launch, so plan pagination and caching strategies accordingly.
DAO Governance
- MYTH staking and proposal voting determine future drops, marketplace fee tweaks, and title onboarding through the Mythos DAO.
- Post-launch, the DAO coordinated token swaps to Polkadot-native assets, aligning treasury with relay-chain liquidity.
Cross-Game Assets
- Seasonal events like Mythical Forest supply interoperable cosmetics that unlock across NFL Rivals, Nitro Nation, and Blankos, with quests rewarding MYTH-backed NFTs.
- Cross-parachain plans include bridging Mythos assets to Moonbeam and Hydration for DeFi utility once XCM channels graduate from testing.
Development Guides
- Game Integration: Start with the
Subxtexample above, then wire in Beamable or custom wallets to mint NFTs post-level completion. - NFT Creation: Configure collection metadata and mint settings via
pallet_nfts.createfollowed bymint_pre_signedfor controlled drops. - Marketplace Setup: Use
pallet_marketplaceorder flows andpallet_dmarketsignatures to enable player-to-player sales with escrow.
Troubleshooting
- Slow Finality: Verify collator health and check parachain finality vs. relay chain using
chain_getFinalizedHead. - Asset Transfer Failures: Review NFT attribute locks and collection settings. Locked metadata or expired approvals cause
MethodDisabledorApprovalExpirederrors. - High Fees:
WeightToFeescales with max(weight.ref_time, weight.proof_size). Batch extrinsics or usepallet_multibatchingto amortize costs.
Resources & Tools
- Mythos migration FAQ and DAO updates on the Mythical Games blog.
- DotLake analytics dashboards for live broadcast of transactions, accounts, and top collections.
- Beamable SDK documentation for Unity and Unreal integration of Mythos wallets.
Tables — Move REST API on Movement
Query Move table items by handle and key on Movement. Includes key encoding, pagination patterns, and code examples for looking up on-chain table data using the Aptos-compatible REST API.
chain_getBlock
Retrieve block data by hash on Mythos. Essential for accessing block headers and extrinsics on the gaming blockchain powering FIFA Rivals and NFL Rivals with World ID verification.

