"Rubinite" is a dark fantasy boss rush action game that utilizes the unique mechanic "Focus" to pinpoint enemies' weaknesses and execute thrust attacks. Follow Ruby, a princess who has escaped from the Scarlet Kingdom, embarking on a journey of revenge to reclaim her kingdom.

"Rubinite" is a dark fantasy boss rush action game that utilizes the unique mechanic "Focus" to pinpoint enemies' weaknesses and execute thrust attacks. Follow Ruby, a princess who has escaped from the Scarlet Kingdom, embarking on a journey of revenge to reclaim her kingdom.