The clear condition of the game is to be the owner of the gemstone hidden somewhere in the sea.
To enhance one's reputation by plundering, trading, fishing, exploring, etc. to learn skills
Clearing is possible only by gathering ships, monsters, heroes, relics, etc. and building a strong fleet.

Map
Each ocean has its own name and each has its own unique characteristics.
Talk to explorers and fishing boats to get information about the map.

Island
There is an island in the sea and various activities are possible.
Shipyard - Buy/Sell Ships, Repair Ships
Trade Market - Purchase of navigational goods, sale of trophies/fishery goods, purchase/trade of trade goods
Currency exchange - to change gold into silver or to change silver into gold.
Main Store - Skill Point Acquisition/Hero Recruitment

Fleet
The fleet includes pirates, navy, merchant ships, explorers, fishing boats, and quests.
All fleets are combatable.
Merchants, fishing boats, get more goods.
Pirate - can fight or pass but attack unconditionally if you don't learn certain skills
Navy - patrols the sea and attacks merchant ships or fishing boats around it.
Merchant Ship - Available for purchase of navigational goods and trade goods
Explorer - Get Information Through Conversations
Fishing Boats - Information can be obtained through dialogue
Quest - When you meet, the battle begins unconditionally.

Battle
The battle of the loading vessel is automatic, and only the colonels need to be adjusted.
The cannon is fired automatically when the enemy is within range and sight lines.
You can change the large maintenance, autonomous combat mode during a battle.
Monsters and battles are also automatic.
However, it is better to make proper adjustments to prevent my ship from sinking.
If your opponent is too strong, you'll find yourself in the position of battle.
It is possible to retreat away.

Trade
Trade items vary in price from island to merchant, so if you buy them cheaply and sell them at high prices,
You can get a lot of silver and fame.

Fishing
Fishing is the most stable way to grow, and it's hard to get a reputation.
If you can collect silver coins easily and catch monster-class marine life, it will also help strengthen your combat power.

Exploration
Treasures and shipwrecks are mainly around reefs and strong fleets or monsters.
You can find treasures and shipwrecks and win reputations and goods.
You can also get artifacts at a specific probability.

Achievement
You can learn it naturally when you play games.
Information on acquisition conditions and ability building are hidden.
It is important to acquire achievements to clear the game.
The ability of achievement is applied to the next game after the game.

Skill
Skills are divided into combat, looting, leadership, navigation, exploration, commerce, and fishing categories.
Combat - Relating to the Combat Capability of the Colleges
Looting - Related to Combat Rewards
Commanding - Relating to the size of an operational fleet
Sailing - relating to basic movement and vision, reefs/storms.
Exploration - Related to Probability Events, Relating to Treasure/Disturbation Ship Rewards
Commercial - in relation to trade and silver / gold
Fishing - Related to Fishing and Monster Battle
You can play many games by acquiring skills.

Ship
There are 18 different types of ships, of which special vessels can only be acquired through combat victory.
The better the ships, the higher the load and the better the fighting.
More silver is needed for repair and supply of navigational supplies.

Hero
Heroes can be acquired at the tavern.
Each hero has a special ability.

Relic
Relics can be acquired from treasure boxes and shipwrecks at a certain rate.
Like a hero, he has his own ability.

Monster
There are some common monsters that you can get from fishing,
In the case of the sea monster, it can only be acquired through combat with the monster.
Only ships participate in monsters and battles, so we need to gather and fight strong ships.

// Option A //

To download The Gemstone Of Ocean mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download The Gemstone Of Ocean mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download The Gemstone Of Ocean from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search The Gemstone Of Ocean in HappyMod App.