https://t.me/BlockchainGamesCommunity - the biggest one. Here you will find almost all the blockchain games developers.

https://t.me/cryptogamegroup - if you want to hang out with gamers and ask their advice you will be welcomed here. Ask your questions and share experience!

https://t.me/gameunculus - the smallest one but growing fast. Here you will find useful information about games, talk with experts and take part in online interviews with gamers and developers.

Do you know more? Please share!