The mod improves (and complicates) the gameplay. The production of weapons, objects and buildings differs significantly from the original. The parameters of weapons, items, and skills have been changed to make the gameplay more difficult. Optimization for video settings was also made: for low settings, the emphasis was on improving picture quality, and for high (and ultra) settings, the emphasis was on increasing performance (fps). Files with more detailed changes are attached. There is also a video in the archive on how to install this mod.