Modern vs Medieval Army: Play "The Battle Between Nations of Ages" Game for Free

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WHOOOSSHH!
An experiment has gone wrong and a time portal has open.
People from medieval time thought that we are demon with unknown weapon and strange tall houses. The only thing they thought of was to destroy us.
Your job is to defend our people. Sure it might look easy, we have guns, they have swords but they have an enormous amount of people as their army.
Defend your building A.K.A castle from their unrelented attacks.