Daily quizzes, levels based on different seasons, timer on questions, able to connect to Game Center, around 15 questions per level. Unlock new seasons by completing the pervious levels or pay certain amount if coins to unlock new levels.
12 freelancers are bidding on average $422 for this job
Dear sir. I have many experiences about mobile apps and games. You can guess my skill after check my portfolio. Let's discuss in detail via interview. Best regards. Huiming