Completely completed the original game and two DLC
Difficulty level - High
Step-by-step saves at various stages of the game and before the end

To install:

Copy to:

For the original - ...\Game Root\valve\SAVE\
For Opposing Force - ...\Game Root\gearbox\SAVE\
For Blue Shift - ...\Game Root\bshift\SAVE\

Author: SuN1Sh1nE