This is a simulation game referring to the legendary sea battles between Korean naval forces led by Admiral Yi Sun-shin and Japanese naval forces that invaded Korea in 1592.
The scenario is based on the famous five battles of 23 consecutive victories Korea won against Japan. Battle field, construction and upgrade exist for scenario clearing. You can find the description on the Korean and Japanese warships in the layout.
It includes the challenge task. It also includes tutorial feature in the first scenario of Okpo naval battle.
For a smooth process of the game, you should increase the power of a warship through construction and upgrade after obtaining the fund.
You can obtain the fund by clearing each level of the battle field. You can check your fund on the upper left of the main screen. You will see that the fund increases automatically and slowly.