This ideation document touches on all parts of the assignment brief, and provides readers with many specific details on the project. The concept art section is of particular note in that it provides multiple examples of the game's aesthetic direction.
One note here is that the document's game mechanic core ideas section feels a little misaligned with the description listed on the brainstorming form, making it difficult for readers to track the full direction of the project. That being said, the concept art section does help clarify this.
It will also be important for this team to keep scope in mind. The document lists many great ideas and mechanics, but it is critical to hone in on a smaller subset to ensure there is enough time to complete the game.
Wishing you the best as we move forward!