It is a pixelated rpg, bullet-hell type game.
It tells a story of a human child who fell in an underground world full of monsters.
In this game, the king of the monsters declared war on humanity and they had a long battle. Eventually, the humans won and sealed the monsters underground with a magical barrier that can only be destroyed with 7 human souls.
It’s a good game. You should try it out. There are 3 main endings:
I don’t wanna tell anymore because of spoilers. But you should really try it out.