diff --git a/language.version b/language.version
index 98d20f6e6..b79ae0cf0 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r309 \cu(Wed 24 Feb 00:50:07 CET 2021)\c-";
-SWWM_SHORTVER="\cw0.9.11b-pre r309 \cu(2021-02-24 00:50:07)\c-";
+SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r310 \cu(Wed 24 Feb 01:00:35 CET 2021)\c-";
+SWWM_SHORTVER="\cw0.9.11b-pre r310 \cu(2021-02-24 01:00:35)\c-";
diff --git a/sndinfo.txt b/sndinfo.txt
index ce4a556c1..be55d0331 100644
--- a/sndinfo.txt
+++ b/sndinfo.txt
@@ -1052,6 +1052,11 @@ chancebox/explode2	sounds/items/lootexpl2.ogg
 chancebox/explode3	sounds/items/lootexpl3.ogg
 $random chancebox/explode { chancebox/explode1 chancebox/explode2 chancebox/explode3 }
 
+newkeen/hit	sounds/keenhit.ogg
+newkeen/die	sounds/keendie.ogg
+newkeen/fall	sounds/keenfall.ogg
+newkeen/bounce	sounds/keenbounce.ogg
+
 menu/activate	sounds/hmenu/hmenu1.ogg
 menu/backup	sounds/hmenu/hmenu2.ogg
 menu/prompt	sounds/hmenu/hmenu1.ogg
diff --git a/sounds/keenbounce.ogg b/sounds/keenbounce.ogg
new file mode 100644
index 000000000..bea4fb64d
Binary files /dev/null and b/sounds/keenbounce.ogg differ
diff --git a/sounds/keendie.ogg b/sounds/keendie.ogg
new file mode 100644
index 000000000..3151bdf0b
Binary files /dev/null and b/sounds/keendie.ogg differ
diff --git a/sounds/keenfall.ogg b/sounds/keenfall.ogg
new file mode 100644
index 000000000..81c712c3c
Binary files /dev/null and b/sounds/keenfall.ogg differ
diff --git a/sounds/keenhit.ogg b/sounds/keenhit.ogg
new file mode 100644
index 000000000..e3e05cdc4
Binary files /dev/null and b/sounds/keenhit.ogg differ
diff --git a/zscript/swwm_common.zsc b/zscript/swwm_common.zsc
index db7633149..6ea0c2521 100644
--- a/zscript/swwm_common.zsc
+++ b/zscript/swwm_common.zsc
@@ -96,8 +96,6 @@ Class SWWMHangingKeen : Actor
 		+DONTFALL;
 		+NOBLOOD;
 		+DONTTHRUST;
-		PainSound "keen/pain";
-		DeathSound "keen/death";
 	}
 	States
 	{
@@ -105,16 +103,16 @@ Class SWWMHangingKeen : Actor
 		KEE2 A -1;
 		Stop;
 	Death:
-		KEE2 A 6;
+		KEE2 A 6 A_StartSound("newkeen/hit");
 		KEE2 B 6 A_DropKeen();
-		KEE2 C 6 A_Scream();
+		KEE2 C 6;
 		KEE2 DE 6;
 		KEE2 F 30;
 		KEE2 F -1 A_KeenDie();
 		Stop;
 	Pain:
-		KEE2 G 4;
-		KEE2 G 8 A_Pain();
+		KEE2 G 4 A_StartSound("newkeen/hit");
+		KEE2 G 8;
 		Goto Spawn;
 	}
 }
@@ -130,15 +128,28 @@ Class SWWMDroppedKeen : Actor
 	States
 	{
 	Spawn:
+		KEE3 A 0 NoDelay
+		{
+			A_StartSound("newkeen/fall",volume:.5);
+			A_StartSound("newkeen/die",CHAN_VOICE);
+		}
 		KEE3 A 1 A_JumpIf(pos.z<=floorz,1);
 		Wait;
-		KEE3 B 1 { vel.z = 4; }
+		KEE3 B 1
+		{
+			A_StartSound("newkeen/bounce");
+			vel.z = 4;
+		}
 		KEE3 B 1 A_JumpIf(pos.z<=floorz,1);
 		Wait;
-		KEE3 B 1 { vel.z = 2; }
+		KEE3 B 1
+		{
+			A_StartSound("newkeen/bounce",volume:.8);
+			vel.z = 2;
+		}
 		KEE3 B 1 A_JumpIf(pos.z<=floorz,1);
 		Wait;
-		KEE3 B 12;
+		KEE3 B 12 A_StartSound("newkeen/bounce",volume:.6);
 		TNT1 A 1 { Spawn("TeleportFog",pos,ALLOW_REPLACE); }
 		Stop;
 	}