Game System.

Meteorite

.The purple stone is a meteorite and approaches the player.
If the star itself hits this, it will be a miss.

Volcano stars

.Initially, the volcano star is the character to be controlled.
When the meteorite is approaching, use the [W][A][D] keys to rotate the star,
lava against the meteorite to destroy it.

Score

.In this game, you can earn a score by destroying meteorites.
At a certain timing when you get a score, the speed of the meteorite will increase.
Destroy meteorites before you miss to earn score.
You can change the appearance of the meteorite when you get a score.