My Crypto Heroes
Status last verified 2026-09-22 · next review due 2027-03-21 · how we verify
| Studio | MCH Co. (ex-Double Jump Tokyo) |
|---|---|
| Chain | Ethereum + Polygon extensions + MCH Verse (Oasys L2) — service ended Sept 7, 2026 ahead of a Polygon rebuild with asset migration |
| First playable | November 2018 |
| Genres | rpg, strategy |
| Platforms | browser, ios, android |
| Wallet | required for assets |
| Free to play | free with assets |
| NFT usage | playable assets |
| Token usage | multiple |
| Marketplaces | MCH marketplace |
| Access | Free-to-play RPG; heroes/extensions/land as NFTs, MCHC governance token, RAYS earn token |
Japan's flagship blockchain game — the world's highest-volume crypto game at its 2018-19 peak, still running through its 7th anniversary — now closed after eight years for a Polygon rebuild.
Status note: Service ended with the September 7, 2026 maintenance as announced; a Polygon-chain rebuild was announced with account-bound wallet re-registration open — land NFTs on Ethereum and soul NFTs on Polygon are in scope for migration
Further reading: What Happens When a Blockchain Game Migrates to Another Chain · Ethereum NFT Games: The Settlement Layer · How Blockchain Games Actually End · What Happens to Your NFTs When a Blockchain Game Ends
Collections: NFT Games on Ethereum and its L2s · Dead and Paused NFT Games · NFT Games You Can Play in a Browser · All verified games
Sources#
Evidence for this record, verified 2026-09-22. Per-source dates show when the automated watcher last fetched the page — an observation, not a re-verification.