# Immutable Chain Will Switch to Optimism’s OP Stack in Mid-2027: Faster Blocks, Seven-Day Withdrawals and a Testnet Shutd

Immutable Chain, which hosts games including Gods Unchained (official site) and Guild of Guardians (official site), is getting rebuilt. Immutable plans to move the network onto the OP Stack, the open-source framework from Optimism, which makes it a standard Ethereum rollup. The company is aiming to

| Fact | Value |
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| Published | 11 November 2026 |

Source: https://egamers.io/immutable-chain-will-switch-to-optimisms-op-stack-in-mid-2027-faster-blocks-seven-day-withdrawals-and-a-testnet-shutdown/