Games Like Diary of Defender

Into the game, you will become a defender, return to the age of war, defense the enemy wave of attack.
You can use submachine guns, heavy machine guns, grenades, mines, rockets, and other weapons to repel an enemy.
Reach level S to unlock the next battle map。
Towns, wilderness, caves, battleships are all your battlefield.
As more and more enemies become more and more difficult, defenders never back off!