A crazy makjang with extremely intense and over-the-top storyline!
-Both dramas focuses on betrayals and hidden family secrets, and also power and wealth conflicts.
-Shocking plot twists, always keeping you guessing until the end.
-Interesting characters, with great actings.

Actually, a known revenge daily but it's still underrated.
-Both shows revolve around betrayals by close people.
-Both FLs are strong and determined, which is sth rare for daily dramas.
-Family secrets and injustice is playing big roles on the plot.

(Bonus: Both dramas have excellent OSTs.)

Both shows are revolved around revenge, hidden family secrets and personal growth.
-Both FLs are strong and has a backbone, which makes the dramas very likeable.
-Complicated backgrounds of the families, betrayals are also playing a big role.
-Both are intense and full of interesting plot twists.

One major difference is VOTB is more like a traditional makjang, whereas Cinderella Game is more modern type of a revenge drama.