Loom Ntework (loomx.io) has beta SDK that can be used to spawn side chains with dPOS which can be as decentralized as the creator of dapp wants. They already have an example dapp live (delegatecall.com). They also have many blockchain based games in the pipeline (https://medium.com/loom-network/loom-network-sdk-alpha-release-first-5-dappchains-announced-sdk-roadmap-1dddec789004)