Разработка игры в открытом мире в стиле GTA

/goal Okay, then use Unity combined with Blender to create a complete and playable game similar to GTA 5. The modeling should be refined and complete, and you can use existing character models. The gameplay should be as diverse as GTA 5, and the game assets and algorithms must be reusable in the long term. Use the necessary tools and approach the game development process with first-principles thinking and a long-term compounding mindset. Think more about the significance of each step.