The document outlines Thomas Battams' initial plans for developing a 2D side-scrolling platformer video game. It includes an initial reaction, mind maps of early game ideas and influences, a mood board analyzing visual influences, and a proposed schedule. The main game concept is for a platformer similar to Mario and Sonic where the player navigates levels while losing hit points from enemies. Research sources cited include platformer games like Sonic Mania, Super Mario World, and Cuphead as well as magazines and developer interviews.