The document discusses research on existing platformer games. It notes that these games typically have 2D side-scrolling gameplay with the character always at the center, objectives to collect items like rings or coins, time limits, unique and colorful characters, and obstacles and enemies to make the levels challenging. It then states that the author's own game will include bright colors, obstacles, enemies, collectible items in the form of bullets, and obstacles like cactuses and scorpions. A timer will also be included. The target audience is identified as ages 12 and up and all genders, with a focus on appealing to those seeking completion through increasingly difficult levels on a budget.