diff --git a/credits.txt b/credits.txt
index aaea0d873..8b58e7fbd 100644
--- a/credits.txt
+++ b/credits.txt
@@ -12,6 +12,7 @@ Most of the work here is original, but there are some notable exceptions:
    * Thief
    * System Shock 2
    * Painkiller
+   * Killing Floor
  - This mod uses libeye, by KeksDose. Big thanks.
  - Title theme, "Traumatic State", by Teque (which a lot of people just know as "the AS-Golgotha music").
  - Intermission theme, "Dragony", also by Teque (very comfy music considering the rest of his repertoire).
diff --git a/menudef.txt b/menudef.txt
index 73e0cfdd3..9b1c86606 100644
--- a/menudef.txt
+++ b/menudef.txt
@@ -90,6 +90,9 @@ OptionMenu "SWWMCreditsMenu"
 	StaticText "People Can Fly", "Gold"
 	StaticText "Painkiller", "White"
 	StaticText " "
+	StaticText "Tripwire Interactive", "Gold"
+	StaticText "Killing Floor", "White"
+	StaticText " "
 	StaticText "$SWWM_CMUSIC", "Red"
 	StaticText " "
 	StaticText "Teque", "Gold"
diff --git a/sndinfo.txt b/sndinfo.txt
index 8fd9104f7..c18b824ca 100644
--- a/sndinfo.txt
+++ b/sndinfo.txt
@@ -604,6 +604,7 @@ misc/chat		sounds/menu/chatsnd.ogg
 misc/chat2		sounds/menu/chatsnd.ogg
 misc/sundowner		sounds/SUNDOWNER.ogg
 misc/clonk		sounds/CLONK.ogg
+misc/emone		sounds/EMONE.ogg
 
 misc/underwater	sounds/general/uWater1a.ogg
 misc/underslime	sounds/general/uGoop1.ogg
diff --git a/sounds/EMONE.ogg b/sounds/EMONE.ogg
new file mode 100644
index 000000000..0773d9b2b
Binary files /dev/null and b/sounds/EMONE.ogg differ