Mog, a mole who lived happily underground. When she was taking a walk deeper than usual, She found a colorful jewel that glitters. Mog, who has fallen in love with jewels, She thought that the deeper she was, the more gems would be buried. This is how the adventure of collecting Mog's jewels began. [Game rules] Collect jewels! : Operate moles to collect gems buried underground. The collected jewels are lined up behind the mole. Be careful of rocks and ores! : It will be damaged if it comes in contact with bedrock, ore, lava, etc. Mole is also vulnerable to sunlight, so it will be damaged when it comes to the surface. Let's power up! : It may power up as the level goes up. As you power up, the color of the mole changes and you can dig up rocks and ores. Be careful of the collected jewels! : If you come in contact with a series of jewels, they will break there. The power goes down according to the number. Defeat monsters! : Monsters are wandering in the ground. If you crush each other, their lives will decrease, and if you survive, you will win. If you think it's dangerous, run away. Recover life! : The reduced life will recover naturally. If you take a heart in the ground, the maximum life value will increase and you will fully recover. Let's use invincible time! : If you take 3 types of the same jewel in a row, you will be invincible for a few seconds. During this time, you will not be damaged by hitting gems behind, indestructible ore, or monsters.