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Yes you dont want to miss out on these new games, they are fun and if you are good you can make lots of ethereum.

But is there any requirements? Like for example, do we need to invest? :(

Yes you need Ethereum to Buy a country and to send transactions over the blockchain.

It is a fun way to learn how to use blockchain.

This is just my first time on the blockchain world. I need to really learn it first. Anyway, thank you for inviting me and sharing your post. This means a lot.