They are meaningful questions about life, your past and what you want to do in your future, relationships, identity, vision, passion, interests and more. Can be played with up to 6 people. 
This can be a great method to study Korean by using these cards as question prompts. Although it is a game to be played in a group which you may want to also try, it could be good prompts in Korean to practice writing or thinking/expressing thoughts or opinions on the topics.