How do I invite a friend to the game
Go to your friends list, click on one of your friend's name, and then proceed to click, "Invite to battle". Your selected friend will then be sent an invite to the battle you are viewing or are presently in.
This wont work in MM battles right?
Only for battle lists
Hey, you are correct! To play MM battles with your friend(s), you should use the Group feature. Please read this article to learn to use it (Look under: "Playing MatchMaking with a group"). Have some great Tanki Online MatchMaking battles, together with your friends! :)
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