The document describes various gameplay elements and mechanics in the game "Chad". It discusses how obstacles move at different speeds, the player must time their jumps, and double jumps and precision are needed. It also mentions the background uses parallax scrolling, the main menu music creates an upbeat vibe while gameplay music motivates the player. When Chad jumps, he has an effective crouch animation resembling 8-bit games. Candy power ups slow obstacles for 6 seconds and increase score, to enhance the player's judgement of jumps.