Go to below link.
20 Free Gold
First You need to add the game. You will get a page like the below picture.
Just click on "claim gold now" link and you will get 20 free gold.
If you do not get it, just wait for while to load the game. You will get link over the game scree like the below one.
Just click and win 20 free gold. Now you can delete the game MAA Tactics after its done.
That is all. You can read Earning Gold Tips for Avengers Alliance. Please Share this with your friends.