Guarding the castle! Hack 1.0 + Redeem Codes

To be an indestructible fortress can we protect our friends and homes.
There are constantly attacking monsters here. All you have to do is to guard the defensive tower, shoot those monsters, and protect yourself and your comrades at the same time, and strive to gain more time!
The rhythm of the game is intense and exciting, you must come and feel the fun of it!