The main character Tech Support: Error Unknown solves the problems of customers in his new work by a specialist in technical support. Soon he finds himself in the center of the mysterious conspiracy. He has to decide whether to take the side of the director of the company or join the team of scammers trying to eliminate the organization. The player can help the police or stay away, observing what is happening, but without participating in this.

Tech Support: error unknown – adventure in the world of simulation and puzzles. The user sits in front of a virtual computer. Everything will begin with a newcomer in technical support. You can apply dozens of software settings to help customers and solve their problems, or manipulate the existing opportunities to achieve their own goals. Gamer can hack the system by revealing its entire potential to track the missing phones using GPS, scan blocked profiles and use confidential customer blackmailing.

After a while, the protagonist notes that a conflict appears between the employer and the mysterious group of hactivists. Climbing the career ladder, the hero receives a choice: to join fraudsters or help to expose them, taking the side of the company. There is a third side of what is happening, where the user will pursue personal goals. The procedurally generated system of dialogs allows you to involve customers and colleagues in order to open new gameplay opportunities.