In terms of gameplay, it is a typical Korean grindhouse. There are no unique mechanics, and the story is average.
Current overview of MIR4

Blog about NFT games
Unlike traditional games, NFT games have unique virtual items, weapons, and skins. The user has real ownership of these assets.
In terms of gameplay, it is a typical Korean grindhouse. There are no unique mechanics, and the story is average.
Not all NFT games are created equal. You can find them in different genres and styles to suit all tastes, so choose depending on whether you are looking to play or try to earn money.