DarkShift

You're Rhezina-rhagitor 3320, one of the "biological expendables" headcrabs sent to Black Mesa after the resonance cascade, by the Sun Eater Pillar's forces (see Residual Life).

List of chapters :

1) original Zombie Edition campaign.

2) Starting map where you choose between training level and main campaign.

3)Agent training course, training level .

4) main campaign with a new intro now tied to Residual Life's events.

5) FIELD OF BLOOD, get a host and rampage through Black Mesa.

6) REIGN OF BLOOD, HECU are in the place.

7) CANAL OF BLOOD divided in 3 alternate paths, sewer path, upper path, and underground/on a rail path, all leading to

8) LAKE OF BLOOD : these maps are basically run-and-hide through water and earth from copters, tanks and air strikes.

9) CENTER OF BLOOD : map in the usual setting of Chosin Reservoir (see Residual Life's eponym chapter), still WIP chapter.

The mod is available only here Cafe.naver.com but the website is in Korean, and you have to register, then write at least 3 comments, then wait 7 day until you are allowed to download the precious files.