Cyberpunk 2077 Heavily Customized Optimization Mod Massively Improves Performance by Lowering Rendering Distance and More Feb 15, 2021 06:51 EST A new Cyberpunk 2077 mod that has been released online promises to be massive performance improvements for mid-range systems powered by somewhat dated hardware. The Heavily Customized Optimization mod is a modified version of the General Optimization mod that lowers rendering distance considerably, reducing the workload for the CPU. Additional tweaks have also been made to ensure the game runs better than it does in its vanilla state. This is a modified version of General Optimization that greatly lowers rendering distance, how much is being rendered to the game to substantially lower the load on older CPUs' along with other tweaks to give you the best fps.