Competition

Proof of Activity Blockchain

Decred (D-Cred) does something similar but not for the gaming industry (autonomous digital currency)

Focused Area

Proof of Engagement Blockchains are rare but there are games on different major blockchains as follows

// Tron

// BNB

// Enjin

// EOS

// SOLANA

// CARDANO

// Avalanche

// Algorand

// Ethereum

Source: https://www.binance.com/en/blog/fiat/layer1-blockchain-tokens-everything-you-need-to-know-421499824684903155