Illegalitarian is an educational game that lets you experience an auditor from a private company. The game's purpose is to educate people about the issues of illegal pet trading from Hong Kong. The game has also collaborated with the advisor from the World Wide Fund for Nature of Hong Kong office to obtain related data on the Hong Kong animal trading problem.

The core mechanism of the game is to ask players to reference different resources to determine the authenticity of the documents in the game. If players fail to process the documents, the points will be deducted.