What is the difference between advergames and in-game advertisements?

Advergames are games that are created for the purpose of advertising a product, service, or brand. In-game advertisements are advertisements that are placed within existing games. The purpose of in-game advertisements is to generate awareness or interest in a product, service, or brand.The main difference between advergames and in-game advertisements is that advergames are designed to be advertising tools, while in-game advertisements are not. In-game advertisements may be less effective than advergames because they are not specifically designed to promote a product, service, or brand. In addition, in-game advertisements may be less interactive and less engaging than advergames.