At the beginning of the game, you will be placed inside a large spaceship with multiple rooms and corridors on board. You can collect clues, complete tasks, and interact with other players by exploring the cabin. Each crew member will be assigned tasks such as repairing electrical circuits, cleaning gas filters, etc. Completing tasks not only helps your team win competitions, but also provides you with additional experience and rewards.

However, the counterfeiter's goal is to secretly kill other crew members while concealing their identity. Counterfeiters can achieve this goal by stealth in the dark, using special abilities, and disguising themselves as other crew members. Other crew members must closely observe the behavior of others and decide who is the counterfeiter through discussion and voting. When a crew member is voted out, they will be sent back into space, and the counterfeiters will continue their wrongdoing.

The tense atmosphere and psychological tactics in the game make "Imposter 3D: online hero" an exciting and challenging game. You need to be good at observation and analysis, while communicating and collaborating with other players to identify counterfeiters and protect the safety of the crew.