1. Work on game concepts, gameplay loops, level ideas, missions, player progression, and reward systems. 2. Create clear Game Design Documents, feature notes, level briefs, and gameplay flow documents. 3. Design racing tracks, obstacles, difficulty progression, power-ups, challenges, and player objectives. 4. Research popular mobile, racing, sports, and casual games to identify useful gameplay patterns and design references. 5. Work with the development/design team to convert game ideas into practical features and prototype-ready tasks. 6. Suggest improvements for game UI, controls, onboarding, scoring, rewards, and player engagement. 7. Create references, mood boards, wireframes, rough sketches, and gameplay diagrams where required. 8. Test game builds or prototypes and give structured feedback on gameplay feel, difficulty, user experience, and replay value.