diff --git a/language.version b/language.version
index 78b8720bd..2c7736021 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r543 \cu(Wed 16 Jun 17:47:21 CEST 2021)\c-";
-SWWM_SHORTVER="\cw0.9.11b-pre r543 \cu(2021-06-16 17:47:21)\c-";
+SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r544 \cu(Wed 16 Jun 20:31:35 CEST 2021)\c-";
+SWWM_SHORTVER="\cw0.9.11b-pre r544 \cu(2021-06-16 20:31:35)\c-";
diff --git a/sndinfo.txt b/sndinfo.txt
index c5bf050bb..6a60f40b3 100644
--- a/sndinfo.txt
+++ b/sndinfo.txt
@@ -936,6 +936,7 @@ misc/orbexplode		sounds/ORBEXPLODE.ogg
 misc/omgfart		sounds/omgfart.ogg
 misc/voice		sounds/dlgvoice.ogg
 misc/sewercount		sounds/sewercount.ogg
+misc/frag		sounds/GFRAG.ogg
 misc/gibber1		sounds/general/Gib1.ogg
 misc/gibber2		sounds/general/Gib2.ogg
 misc/gibber3		sounds/general/Gib3.ogg
diff --git a/sounds/GFRAG.ogg b/sounds/GFRAG.ogg
new file mode 100644
index 000000000..37a7e0122
Binary files /dev/null and b/sounds/GFRAG.ogg differ
diff --git a/zscript/handler/swwm_handler_damage.zsc b/zscript/handler/swwm_handler_damage.zsc
index 996eb48e2..cc1680081 100644
--- a/zscript/handler/swwm_handler_damage.zsc
+++ b/zscript/handler/swwm_handler_damage.zsc
@@ -209,7 +209,13 @@ extend Class SWWMHandler
 		// scoring
 		int score = min(1000,int(ceil(e.Thing.GetSpawnHealth()*.05)*10));
 		// player score is always the same
-		if ( e.Thing.player ) score = 1000;
+		if ( e.Thing.player )
+		{
+			score = 1000;
+			// deathmatch frag sound
+			if ( src.player == players[consoleplayer] )
+				S_StartSound("misc/frag",CHAN_WEAPON,CHANF_UI|CHANF_NOPAUSE|CHANF_OVERLAP,1.,ATTN_NONE);
+		}
 		SWWMScoreObj scr = null;
 		if ( src.player == players[consoleplayer] )
 			scr = SWWMScoreObj.Spawn(score,e.Thing.Vec3Offset(0,0,e.Thing.Height/2));
diff --git a/zscript/handler/swwm_handler_worldload.zsc b/zscript/handler/swwm_handler_worldload.zsc
index 2e93f92b1..44e229ec1 100644
--- a/zscript/handler/swwm_handler_worldload.zsc
+++ b/zscript/handler/swwm_handler_worldload.zsc
@@ -214,6 +214,9 @@ extend Class SWWMHandler
 		for ( int i=0; i<level.lines.Size(); i++ )
 		{
 			Line l = level.lines[i];
+			// all lines are immediately visible in DM
+			if ( deathmatch && !(l.flags&Line.ML_DONTDRAW) )
+				l.flags |= Line.ML_MAPPED;
 			// while we're at it, add teleporter sparks
 			if ( SWWMUtility.IsTeleportLine(l) )
 			{
diff --git a/zscript/items/swwm_ammoextra.zsc b/zscript/items/swwm_ammoextra.zsc
index 059f5756d..27d25d91f 100644
--- a/zscript/items/swwm_ammoextra.zsc
+++ b/zscript/items/swwm_ammoextra.zsc
@@ -556,7 +556,13 @@ Class HammerspaceEmbiggener : Inventory
 
 // used when cheating or trading, this version does not give ammo and is meant
 // only for GiveInventory, so it shouldn't be spawned in the world
-Class TradedHammerspaceEmbiggener : HammerspaceEmbiggener {}
+Class TradedHammerspaceEmbiggener : HammerspaceEmbiggener
+{
+	Default
+	{
+		-COUNTITEM;
+	}
+}
 
 // used to denote "merged" embiggeners, changes color based on amount
 //  green (2+)
diff --git a/zscript/items/swwm_baseitem.zsc b/zscript/items/swwm_baseitem.zsc
index aae0ac7d7..e7419f6f1 100644
--- a/zscript/items/swwm_baseitem.zsc
+++ b/zscript/items/swwm_baseitem.zsc
@@ -5,9 +5,15 @@ Mixin Class SWWMAutoUseFix
 	{
 		if ( GetClass() == item.GetClass() )
 		{
-			if ( Use(true) ) Amount--;
+			if ( deathmatch && !bALWAYSPICKUP )
+			{
+				// don't allow picking up any more than just one copy in DM unless it can be auto-used
+				if ( Use(true) ) Amount--;
+				else return true;
+			}
+			else if ( Use(true) ) Amount--;
 			// sell excess if there's a price
-			if ( bALWAYSPICKUP && (Amount+item.Amount > MaxAmount) && (Stamina != 0) )
+			if ( !deathmatch && bALWAYSPICKUP && (Amount+item.Amount > MaxAmount) && (Stamina != 0) )
 			{
 				int sellprice = int(abs(Stamina)*.5);
 				SWWMScoreObj.Spawn(sellprice,Owner.Vec3Offset(FRandom[ScoreBits](-8,8),FRandom[ScoreBits](-8,8),FRandom[ScoreBits](-8,8)+Owner.Height/2));
@@ -18,6 +24,16 @@ Mixin Class SWWMAutoUseFix
 		}
 		return Super.HandlePickup(item);
 	}
+	override bool TryPickup( in out Actor toucher )
+	{
+		if ( !deathmatch ) return Super.TryPickup(toucher);
+		// pretend to have a max amount of 0 so we can only be picked up if we can be used
+		int oldmax = MaxAmount;
+		MaxAmount = 0;
+		bool ret = Super.TryPickup(toucher);
+		MaxAmount = oldmax;
+		return ret;
+	}
 }
 
 Class CrossLineFinder : LineTracer
diff --git a/zscript/items/swwm_powerups.zsc b/zscript/items/swwm_powerups.zsc
index edbaafaf2..27cb670ac 100644
--- a/zscript/items/swwm_powerups.zsc
+++ b/zscript/items/swwm_powerups.zsc
@@ -1280,6 +1280,11 @@ Class Omnisight : Inventory
 		}
 		return false;
 	}
+	override bool ShouldSpawn()
+	{
+		if ( deathmatch ) return false;
+		return Super.ShouldSpawn();
+	}
 	Default
 	{
 		//$Title Omnisight
@@ -1913,6 +1918,11 @@ Class SWWMLamp : Inventory
 		Amount++;
 		return true;
 	}
+	override bool ShouldSpawn()
+	{
+		if ( deathmatch ) return false;
+		return Super.ShouldSpawn();
+	}
 	override void DoEffect()
 	{
 		Super.DoEffect();
diff --git a/zscript/kbase/swwm_kbase.zsc b/zscript/kbase/swwm_kbase.zsc
index 10b754761..768c00421 100644
--- a/zscript/kbase/swwm_kbase.zsc
+++ b/zscript/kbase/swwm_kbase.zsc
@@ -314,8 +314,11 @@ Class DemolitionistMenu : GenericMenu
 			tabs.Push(TAB_MISSION);
 		tabs.Push(TAB_STATS);
 		tabs.Push(TAB_INVENTORY);
-		tabs.Push(TAB_KEYS);
-		tabs.Push(TAB_LIBRARY);
+		if ( !deathmatch )
+		{
+			tabs.Push(TAB_KEYS);
+			tabs.Push(TAB_LIBRARY);
+		}
 		if ( !deathmatch && (G_SkillPropertyInt(SKILLP_ACSReturn) < 4) ) tabs.Push(TAB_STORE);
 		for ( int i=0; i<MAXPLAYERS; i++ )
 		{
diff --git a/zscript/swwm_player.zsc b/zscript/swwm_player.zsc
index 9dcb860f5..f29070719 100644
--- a/zscript/swwm_player.zsc
+++ b/zscript/swwm_player.zsc
@@ -428,6 +428,13 @@ Class Demolitionist : PlayerPawn
 			let cs = Inventory(Spawn('SWWMChaosSphere'));
 			cs.AttachToOwner(self);
 		}
+		// in deathmatch, we start with 8 embiggeners
+		if ( deathmatch )
+		{
+			let em = Inventory(Spawn('TradedHammerspaceEmbiggener'));
+			em.Amount = em.MaxAmount;
+			if ( !em.CallTryPickup(self) ) em.Destroy();
+		}
 		bInDefaultInventory = false;
 	}
 	override void ClearInventory()
diff --git a/zscript/swwm_thinkers_player.zsc b/zscript/swwm_thinkers_player.zsc
index b224da6ea..535c55dfe 100644
--- a/zscript/swwm_thinkers_player.zsc
+++ b/zscript/swwm_thinkers_player.zsc
@@ -536,7 +536,7 @@ Class SWWMLoreLibrary : Thinker
 
 	static void Add( PlayerInfo p, String ref )
 	{
-		if ( PreVerify(ref) ) return;
+		if ( deathmatch || PreVerify(ref) ) return;
 		SWWMLoreLibrary ll = Find(p);
 		if ( !ll )
 		{
diff --git a/zscript/weapons/swwm_baseweapon.zsc b/zscript/weapons/swwm_baseweapon.zsc
index 0fbcdef30..215d1acee 100644
--- a/zscript/weapons/swwm_baseweapon.zsc
+++ b/zscript/weapons/swwm_baseweapon.zsc
@@ -199,7 +199,7 @@ Class SWWMWeapon : Weapon abstract
 		{
 			if ( SWWMWeapon(item).PickupForAmmoSWWM(self) )
 				item.bPickupGood = true;
-			if ( (Amount+item.Amount > MaxAmount) && (item.Stamina > 0) )
+			if ( !deathmatch && (Amount+item.Amount > MaxAmount) && (item.Stamina > 0) )
 			{
 				// sell excess
 				int sellprice = item.Stamina/2;
diff --git a/zscript/weapons/swwm_splode.zsc b/zscript/weapons/swwm_splode.zsc
index 66da89bb4..092e41ba3 100644
--- a/zscript/weapons/swwm_splode.zsc
+++ b/zscript/weapons/swwm_splode.zsc
@@ -48,7 +48,7 @@ Class ExplodiumGun : SWWMWeapon
 			return true;
 		if ( (item.GetClass() == 'ExplodiumGun') && !item.ShouldStay() )
 		{
-			if ( (Amount+item.Amount > MaxAmount) && (Stamina > 0) )
+			if ( !deathmatch && (Amount+item.Amount > MaxAmount) && (Stamina > 0) )
 			{
 				// sell excess
 				int sellprice = int(Stamina*.5);
diff --git a/zscript/weapons/swwm_tastytreat.zsc b/zscript/weapons/swwm_tastytreat.zsc
index 118a7bbd0..44376ceeb 100644
--- a/zscript/weapons/swwm_tastytreat.zsc
+++ b/zscript/weapons/swwm_tastytreat.zsc
@@ -21,7 +21,7 @@ Class CandyGun : SWWMWeapon
 			[ammoget, spareget] = CandyGun(item).PickupForAmmoAndSpares(self);
 			if ( ammoget || spareget )
 				item.bPickupGood = true;
-			if ( !spareget )
+			if ( !deathmatch && !spareget )
 			{
 				// sell excess
 				int sellprice = item.Stamina/2;