Half-Life no damage run Chapter 13: Forget About Freeman!

Forget About Freeman! there are two annoying sections first are the leeches, lots of them and they can easily stop the run and the final tank battle, alien grunts and their projectiles, quick immediate action is required, as for the Lore it is the last time for Gordon to see the daylight, next time is of course in City 17, 20 years later,