If you enjoyed playing blue shift, then guard duty is the perfect mod for you as it brings together blue shift with Half-Life 2 mechanics.
Consider this mod as a quick and light remastering, a bit of makeup to look great. The mod enhances the lighting in the game, improves the fog texture, and fixes a lot of visual and gameplay bugs. If you don’t want to remove the feel of the original game but simply add a bit of visual enhancements, then Half-Life 2 update mod is for you.
Half-Life 2, although one of the greatest games to be made, does not really have superior graphics according to today’s standards.