diff --git a/hexen.wad/1.1-to-beta.vcdiff b/hexen.wad/1.1-to-beta.vcdiff
new file mode 100644
index 0000000..52cb590
Binary files /dev/null and b/hexen.wad/1.1-to-beta.vcdiff differ
diff --git a/hexen.wad/README.txt b/hexen.wad/README.txt
index 5561bce..818babc 100644
--- a/hexen.wad/README.txt
+++ b/hexen.wad/README.txt
@@ -3,7 +3,15 @@ which includes moving text strings (left to the engine itself in 1.0)
 to the IWAD.  This actually makes playing Hexen 1.0 problematic on
 source ports, where only 1.1 is well-supported.
 
+“Beta” is a release made only on the warez scene, leaked from Raven
+before the game was finished.  It should only be played with the
+equivalent engine files (see the vanilla-engine directory).  Being
+released to the world only via warez, there is no legitimate reason
+you should need to upgrade from it to a newer version of Hexen, thus
+the patch here is to only go backwards from 1.1.
+
 If unsure of which version you have, refer to these sha1 hashes:
+ae797f5fdce845be24a7a24dd5bfc3e762a17bbe  hexen_beta.wad
 ac129c4331bf26f0f080c4a56aaa40d64969c98a  hexen_1.0.wad
 4b53832f0733c1e29e5f1de2428e5475e891af29  hexen_1.1.wad
 4343fbe5aef905ef6d077a1517a50c919e5cc906  hexen_mac.wad