Please play Onslaught Defense on Popgame.co for free. Wield powerful weapons to defend your castle against hordes of dragons and demons in this action-packed castle defense game! Upgrade powerful swords, axes and spears to earn the mighty runeforge! How many monsters can you slay before your castle will be overrun?All copyrights and trademarks of this game are held by owners and their use is allowed under the fair use clause of the Copyright Law. If you believe we violating your copyrights, please advise us at email@example.com in order that we can solve the problems.