Who Is Mike – A Visual Novel introduces the player to a certain guy named Mike. Until the ill-fated morning, his life was wonderful and did not present any unpleasant surprises. But waking up on a fateful day, the hero sees in front of him a man who looks like a copy of himself and has the same voice. Gemini turns to the protagonist and says that he is a fake. Controlling Mike, the user needs to unravel the secret of who the guy really is and where his complete copy came from.

Who Is Mike – A Visual Novel allows you to plunge into an endless series of atmospheric dialogues and an intricate plot story with many possible endings. You can go through the campaign in nine ways, choosing who Mike should be – from a cunning villain to a noble hero. The protagonist's personality is shaped by his decisions and response options in dialogues. Often the user is forced to choose between a calm and aggressive passage.

Any situation can be solved one way or another with fists or with weapons. Also, in some cases, it is recommended to remain calm and resolve everything peacefully, avoiding unpleasant consequences. As the story progresses, the gamer will meet a lot of characters, with each of whom you can begin to quarrel, become friends, or enter into romantic relationships. Sometimes it is important to get to know an NPC as best as possible, because if the relationship develops properly, they are ready to reveal one of the many secrets.