Worked on the OpenFrontIO repository to optimize attack execution performance in a TypeScript-based game development environment. Focused on reducing memory allocations in hot code paths, the developer migrated multiple calls from mg.neighbors(tile) to a zero-allocation forEachNeighbor(tile, cb) approach within AttackExecution.ts. This change preserved behavioral integrity, maintaining iteration order and determinism while introducing flag-based short-circuit logic to further minimize allocations. The implementation was validated through comprehensive end-to-end testing and type checks, ensuring reliability and correctness. These optimizations improved simulation throughput and reduced memory pressure, laying the groundwork for further performance enhancements under high-load scenarios.