CastleGuardians

It is a tower defense type game consisting of endless rounds.
With the gold and skill points you've gained from defeating monsters,
Continue to survive by fostering your own heroes!
Wishing you a victory!

(Survival)
Various contents, such as training grounds and blacksmiths, through gold obtained by killing monsters;
Train your heroes and mercenaries to continue to survive!

(Various Difficulties)
There are various difficulties from easy to difficult.

(Achievement)
Achieving achievements, starting with more gold when starting anew, provides some convenience.

(Training/Daejanggan/Hero Shop)
As the round progresses, the monster becomes more powerful.
Hero Shop - Ask other mercenaries for help. It'll be a little easier.
Training ground - train heroes and mercenaries to foster them stronger.
Blacksmiths - Strengthen your acquired weapons to defeat your enemies quickly.

(Skill)
Level up to learn and master various skills.
You can nurture your own heroes.