In the game "In battle" your country will protect the way from enemy ships. At your disposal are several types of cannons, for which a number of forts are assigned.
To unlock this Steam key, you need 1000 credits.
Credits can be earned by completing entries, such as joining Steam groups, following people on Twitter, or joining Discord servers.
Simply log in with your Steam account, start earning credits, and unlock your key.Log In Through Steam