Nineteen – an action adventure with 3D graphics, where you have to study the body of a young guy, learn about the features of his body and help him return to normal everyday life. The setting is inspired by real events related to the COVID-19 pandemic. The plot centers on a guy named Mongren Lee, originally from South Korea. One day, he began to feel unwell, and when he took a test for the virus, it turned out to be positive.

During the passage, the user will have to take measures that will help the young man return to his normal life. To do this, it is necessary to examine his body, conduct various experiments and even take risks. The gameplay challenges the player to go through a hardcore obstacle course, challenging numerous difficulties and traps. The scenes are filled with unexpected obstacles and dangers that can instantly destroy the character under your control.

There are many checkpoints at the levels. Each of them helps during the passage, since after death the hero is reborn at the last checkpoint. The gamer has an infinite number of retries that occur after appearing at checkpoints. At some points, it is necessary to measure and calculate the distance of the protagonist's jump in order to be on the other side of the obstacle and move towards achieving the goal.