Establish a clear project structure, naming conventions, and version control to streamline collaboration. Prioritize asset optimization, LODs, and streaming to manage memory and disk budgets. Plan input, actor hierarchies, and data-driven systems early for efficient iteration cycles. Use modular tools and visual scripting to prototype mechanics rapidly while preserving performance. Integrate automated testing, profiling, and platform-specific build checks into CI pipelines. Focus on lighting, collision, and network considerations during optimization and final packaging stages.