Call of War received a new content update that allows players to purchase blueprints with Gold in order to unlock the elite units in the research panel. The cost of the blueprints will vary depending on how many blueprints of the same type players possess.
Additionally, to address the limited amount of action that players can do in the first day, all countries picked by a player will receive an additional airport and an interceptor as starting unit.
Official Site: https://www.callofwar.com/index.php
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