R Plus Quiz - Math Study is a level-up game by solving a very simple plus quiz. Press the GAME START button to take the plus quiz. If you get the correct answer, you get R. Please level up by gathering R. Everything is provided free of charge in this quiz game. Let's get started right now. Thank you for using R Plus Quiz - Math Study again today, where you can study math to improve your brain and have fun. Please use it a lot. Take your knowledge with your luck * Our app is aiming for quiz games, and it's not a trick or hack to get free R. * I would like to inform you that this is a game that has nothing to do with other games and is not a R generator.