1bitHeart transports the user to a fictional universe. It differs in that everything in it is controlled by computer programs. The main character controls a boy named Nanasha. He has a disorder that makes him afraid to be around large numbers of people. Therefore, the protagonist suffers from loneliness. Nanasha often sits in a closed room. It is there that he meets an unknown girl who invites him to be friends with her. The boy agrees, and after this mysterious events begin to occur in the city.

In 1bitHeart, the user can take part in solving various riddles. The game is filled with a detective atmosphere. In addition, it is also a dating simulator. It manifests itself in the need to give gifts to characters. There are mini-games with an interesting and simple plot. Passing them allows you to have a good time and feel calm. While investigating stories, Nanasha may make friends.

The passage involves exploring a location in the form of a city, collecting information, asking people. This allows the plot to move forward. Based on the information collected, you can form a general picture and draw your own conclusion. After the level of hit points reaches 0, the passage ends. The game takes place in Japan in the near future.