How to play New Game! Challenge Stage on Mac

"The Challenge Stage is a training adventure game based on the popular anime. The player is Aoba Suzukaze, who is tasked with creating add-on downloadable content for a hurriedly decided RPG epic. During Training Parts, your more experienced co-workers teach you and you learn skills. Your training parameters will change depending on which co-workers teach you. The story will advance during Adventure Parts. You’ll be able to enjoy conversations with your co-workers and friends, and your friendships can change based on your responses. In the second half of the game, you can enjoy the individual episodes of the co-workers you became friends with in the previous parts, as well as trigger character routes." Game Summary from Gematsu