STRAIN is a 32-level partial conversion released in 1997 by the Alpha Dog Alliance. It features nine new or modified monsters through the use of DeHackEd, and a soundtrack written by David "Tolwyn" Shaw, Mark Klem, and Jon Landis.

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Demon Lord with red-blooded death animation, v2

Demon Lord with red-blooded death animation, v2

NPC Skin

Now Demon Lord bleeds red when dying, same as when sustaining a shot.

Demon Lord with red blood by antares031

Demon Lord with red blood by antares031

NPC Skin 3 comments

Even in sourceports fixing the blood colors (like Crispy Doom making Hell Nobles' blood green, Cacodemons' blue, Spectres' transparent, and Lost Souls...

STRAIN deathmatch maps

STRAIN deathmatch maps

Multiplayer Map

Deathmatch maps for STRAIN by its creators, Alpha Dog Alliance.