diff --git a/Readme.md b/Readme.md
index 99ee5f4..2e69b0e 100644
--- a/Readme.md
+++ b/Readme.md
@@ -47,7 +47,7 @@ This mod requires GZDoom 3.5.0 or later.
 
 ## In progress
 
- - General polishing and bugfixing
+ - General polishing, bugfixing and rebalancing
  - Add some more effects
    - Visual recoil affecting aim (time to recycle SM's A_Swing once again)
    - Lava/Slime footstep sounds?
@@ -65,6 +65,7 @@ This mod requires GZDoom 3.5.0 or later.
    scripted textures are implemented.
  - Add player models + weapon attachment support when that is also added in.
  - Add option to have UT-like player movement physics.
+ - Migrate RandomSpawners to CheckReplacement.
 
 ## Known bugs
 
diff --git a/zscript/biorifle.zsc b/zscript/biorifle.zsc
index caff9cd..97f46b0 100644
--- a/zscript/biorifle.zsc
+++ b/zscript/biorifle.zsc
@@ -411,8 +411,8 @@ Class BioGel : Actor
 		s.args[3] = int(s.args[3]*Scale.x);
 		invoker.deadtimer = -2;
 		if ( invoker.atline ) invoker.atline.RemoteActivate(target,invoker.atside,SPAC_Impact,pos);
-		UTMainHandler.DoBlast(self,Min(150,int(Scale.x*25)),20000*Scale.x);
-		A_Explode(int(Random[GES](18,22)*max(1,(Scale.x-1)**2)),Min(150,int(Scale.x*25)));
+		UTMainHandler.DoBlast(self,Min(250,int(Scale.x*75)),20000*Scale.x);
+		A_Explode(int(Random[GES](18,26)*Scale.x),Min(250,int(Scale.x*75)));
 		A_PlaySound("ges/explode",CHAN_VOICE);
 		int numpt = Min(300,int(Scale.x*30))+Random[GES](-10,10);
 		for ( int i=0; i<numpt; i++ )
diff --git a/zscript/eightball.zsc b/zscript/eightball.zsc
index 45a7753..1587252 100644
--- a/zscript/eightball.zsc
+++ b/zscript/eightball.zsc
@@ -123,16 +123,16 @@ Class UTRocket : Actor
 		l.target = self;
 		A_PlaySound("utrl/fly",CHAN_VOICE,1.0,true,2.5);
 	}
-	action void A_RocketExplode( int dmg )
+	action void A_RocketExplode( int dmg, int rad )
 	{
 		bFORCEXYBILLBOARD = true;
 		A_SetRenderStyle(1.0,STYLE_Add);
 		A_SprayDecal("RocketBlast",150);
 		A_NoGravity();
 		A_SetScale(0.75);
-		UTMainHandler.DoBlast(self,100,80000);
-		A_Explode(dmg,100);
-		A_QuakeEx(3,3,3,8,0,250,"",QF_RELATIVE|QF_SCALEDOWN,falloff:100,rollIntensity:0.2);
+		UTMainHandler.DoBlast(self,rad,80000);
+		A_Explode(dmg,rad);
+		A_QuakeEx(3,3,3,8,0,rad+50,"",QF_RELATIVE|QF_SCALEDOWN,falloff:rad,rollIntensity:0.2);
 		A_PlaySound("utrl/explode",CHAN_VOICE);
 		A_AlertMonsters();
 		Spawn("RocketExplLight",pos);
@@ -179,7 +179,7 @@ Class UTRocket : Actor
 		}
 		Wait;
 	Death:
-		TNT1 A 0 A_RocketExplode(Random[Eightball](90,115));
+		TNT1 A 0 A_RocketExplode(Random[Eightball](90,120),220);
 		SSMX ABCDEFGHIJ 2 Bright;
 		Stop;
 	}
@@ -232,7 +232,7 @@ Class UTGrenade : UTRocket
 		}
 		Goto Spawn;
 	Death:
-		TNT1 A 0 A_RocketExplode(Random[Eightball](90,120));
+		TNT1 A 0 A_RocketExplode(Random[Eightball](100,150),200);
 		Goto Super::Death+1;
 	}
 }
diff --git a/zscript/flakcannon.zsc b/zscript/flakcannon.zsc
index 27fe626..890f509 100644
--- a/zscript/flakcannon.zsc
+++ b/zscript/flakcannon.zsc
@@ -385,9 +385,9 @@ Class FlakSlug : Actor
 		A_SprayDecal("RocketBlast",150);
 		A_NoGravity();
 		A_SetScale(1.2);
-		UTMainHandler.DoBlast(self,80,75000);
-		A_Explode(Random[Flak](70,80),80);
-		A_QuakeEx(4,4,4,8,0,200,"",QF_RELATIVE|QF_SCALEDOWN,falloff:80,rollIntensity:0.2);
+		UTMainHandler.DoBlast(self,150,75000);
+		A_Explode(Random[Flak](70,80),150);
+		A_QuakeEx(4,4,4,8,0,250,"",QF_RELATIVE|QF_SCALEDOWN,falloff:150,rollIntensity:0.2);
 		A_PlaySound("flak/explode",CHAN_VOICE);
 		A_AlertMonsters();
 		if ( !Tracer ) Spawn("SlugSmoke",pos);
diff --git a/zscript/powerups.zsc b/zscript/powerups.zsc
index 876ca23..cc366eb 100644
--- a/zscript/powerups.zsc
+++ b/zscript/powerups.zsc
@@ -58,6 +58,7 @@ Class DamageAmplifier : Powerup
 		l = Spawn("DamageAmpLight",Owner.pos);
 		l.target = Owner;
 		l.master = self;
+		if ( deathmatch ) EffectTics /= 2;
 	}
 
 	override void DoEffect()
diff --git a/zscript/ripper.zsc b/zscript/ripper.zsc
index 28aaf4c..3ee7cfc 100644
--- a/zscript/ripper.zsc
+++ b/zscript/ripper.zsc
@@ -185,8 +185,6 @@ Class Razor2Alt : Razor2
 {
 	Default
 	{
-		DamageFunction 0;
-		DamageType 'RipperAltDealth';
 		BounceType "None";
 		-CANBOUNCEWATER;
 		+EXPLODEONWATER;
@@ -204,7 +202,7 @@ Class Razor2Alt : Razor2
 		A_AlertMonsters();
 		A_SprayDecal("RazorBlast",20);
 		UTMainHandler.DoBlast(self,120,87000);
-		A_Explode(Random[Ripper](30,50),120);
+		A_Explode(Random[Ripper](30,50),180,damagetype:'RipperAltDeath');
 		A_QuakeEx(3,3,3,10,0,180,"",QF_RELATIVE|QF_SCALEDOWN,falloff:120,rollIntensity:0.1);
 		int numpt = Random[Ripper](10,20);
 		Vector3 x = (cos(angle)*cos(pitch),sin(angle)*cos(pitch),-sin(pitch));
diff --git a/zscript/shockrifle.zsc b/zscript/shockrifle.zsc
index 0aea2e4..968c428 100644
--- a/zscript/shockrifle.zsc
+++ b/zscript/shockrifle.zsc
@@ -336,10 +336,10 @@ Class ShockBeam : Actor
 			{
 				if ( target ) target.TakeInventory('ShockAmmo',2);
 				let b = t.Results.HitActor.target;
-				UTMainHandler.DoBlast(b,300,70000);
+				UTMainHandler.DoBlast(b,250,70000);
 				b.ExplodeMissile(null,self);
-				b.A_Explode(Random[ASMD](150,160),300);
-				b.A_QuakeEx(6,6,6,60,0,1200,"",QF_RELATIVE|QF_SCALEDOWN,falloff:300,rollIntensity:0.2);
+				b.A_Explode(Random[ASMD](150,180),250);
+				b.A_QuakeEx(6,6,6,60,0,1200,"",QF_RELATIVE|QF_SCALEDOWN,falloff:250,rollIntensity:0.2);
 				b.A_SprayDecal("BigShockMark1",100);
 				b.A_SprayDecal("BigShockMark2",100);
 				Spawn("ShockRifleWave",b.pos);
@@ -829,7 +829,7 @@ Class ShockBall : Actor
 	action void A_BallExplode()
 	{
 		UTMainHandler.DoBlast(self,70,70000);
-		A_Explode(Random[ASMD](40,50),70);
+		A_Explode(Random[ASMD](50,60),70);
 		A_SprayDecal("ShockMarkBig",16);
 		Spawn("ShockExplLight",pos);
 		A_SetScale(1.0);
@@ -1115,6 +1115,15 @@ Class EnhancedShockAmmo : Ammo
 {
 	int ticcnt;
 
+	override void PostBeginPlay()
+	{
+		Super.PostBeginPlay();
+		if ( deathmatch )
+		{
+			MaxAmount /= 2;
+			BackpackMaxAmount /= 2;
+		}
+	}
 	override void Tick()
 	{
 		Super.Tick();
@@ -1129,9 +1138,9 @@ Class EnhancedShockAmmo : Ammo
 		Tag "Enhanced Shock Core";
 		Inventory.PickupMessage "You picked up an Enhanced Shock Core.";
 		Inventory.Amount 5;
-		Inventory.MaxAmount 25;
+		Inventory.MaxAmount 50;
 		Ammo.BackpackAmount 0;
-		Ammo.BackpackMaxAmount 25;
+		Ammo.BackpackMaxAmount 50;
 		Ammo.DropAmount 2;
 	}
 	States
@@ -1155,6 +1164,11 @@ Class ViewSuperShockSpark : ViewShockSpark
 
 Class EnhancedShockRifle : UTWeapon replaces InvulnerabilitySphere
 {
+	override void PostBeginPlay()
+	{
+		Super.PostBeginPlay();
+		if ( deathmatch ) AmmoGive1 /= 2;
+	}
 	action void A_SShockFire()
 	{
 		Weapon weap = Weapon(invoker);
@@ -1247,7 +1261,7 @@ Class EnhancedShockRifle : UTWeapon replaces InvulnerabilitySphere
 		Weapon.AmmoUse 1;
 		Weapon.AmmoType2 "EnhancedShockAmmo";
 		Weapon.AmmoUse2 1;
-		Weapon.AmmoGive 25;
+		Weapon.AmmoGive 50;
 		UTWeapon.DropAmmo 5;
 		+WEAPON.AMMO_OPTIONAL;
 		+WEAPON.ALT_AMMO_OPTIONAL;