diff --git a/animdefs.txt b/animdefs.txt
index dfd7600..d3f182a 100644
--- a/animdefs.txt
+++ b/animdefs.txt
@@ -1,40 +1,6 @@
 texture static1
 	allowdecals
 	random
-	pic static1 tics 1
-	pic static2 tics 1
-	pic static3 tics 1
-	pic static4 tics 1
+	range static4 tics 1
 texture invis00
-	pic invis00 tics 2
-	pic invis01 tics 2
-	pic invis02 tics 2
-	pic invis03 tics 2
-	pic invis04 tics 2
-	pic invis05 tics 2
-	pic invis06 tics 2
-	pic invis07 tics 2
-	pic invis08 tics 2
-	pic invis09 tics 2
-	pic invis10 tics 2
-	pic invis11 tics 2
-	pic invis12 tics 2
-	pic invis13 tics 2
-	pic invis14 tics 2
-	pic invis15 tics 2
-	pic invis16 tics 2
-	pic invis17 tics 2
-	pic invis18 tics 2
-	pic invis19 tics 2
-	pic invis20 tics 2
-	pic invis21 tics 2
-	pic invis22 tics 2
-	pic invis23 tics 2
-	pic invis24 tics 2
-	pic invis25 tics 2
-	pic invis26 tics 2
-	pic invis27 tics 2
-	pic invis28 tics 2
-	pic invis29 tics 2
-	pic invis30 tics 2
-	pic invis31 tics 2
+	range invis31 tics 2
diff --git a/zscript/biorifle.zsc b/zscript/biorifle.zsc
index 270dd3a..e13cf01 100644
--- a/zscript/biorifle.zsc
+++ b/zscript/biorifle.zsc
@@ -195,7 +195,7 @@ Class BioGel : Actor
 	{
 		Super.PostBeginPlay();
 		vel.z += 3;
-		deadtimer = -1;
+		deadtimer = 105;
 		l = Spawn("BioLight",pos);
 		l.target = self;
 		rollvel = FRandom[GES](10,30)*RandomPick[GES](-1,1);
@@ -274,7 +274,7 @@ Class BioGel : Actor
 		let bi = BlockThingsIterator.Create(self,4*Scale.x);
 		while ( bi.Next() )
 		{
-			if ( !bi.Thing || !bi.Thing.bSHOOTABLE || (bi.Thing == b) || ((bi.Thing is 'BioHitbox') && ((bi.Thing.target.master == self) || (bi.Thing.target == master))) ) continue;
+			if ( !bi.Thing || !bi.Thing.bSHOOTABLE || (bi.Thing == b) || ((bi.Thing is 'BioHitbox') && ((bi.Thing.target.master == self) || (bi.Thing.target == master))) || (bi.Thing == target && !bHITOWNER) ) continue;
 			if ( (Distance2D(bi.Thing)-bi.Thing.radius <= 4*Scale.x) && ((bi.Thing.pos.z <= pos.z+4*Scale.x) && (bi.Thing.pos.z+bi.Thing.height >= pos.z-4*Scale.x)) ) deadtimer = 0;
 		}
 		if ( deadtimer-- <= 0 )
@@ -571,9 +571,9 @@ Class BioGel : Actor
 	XDeath:
 		TNT1 A 0 A_JumpIf(invoker.HitType==HIT_NONE,"Explode");
 		TNT1 A 0 A_JumpIf(invoker.HitType==HIT_WALL,2);
-		GELH J 1 Bright A_SetTics(Random[GES](1,3));
+		GELH J 1 Bright A_SetTics(Random[GES](3,10));
 		Goto Explode;
-		GELS G 1 Bright A_SetTics(Random[GES](1,3));
+		GELS G 1 Bright A_SetTics(Random[GES](3,10));
 		Goto Explode;
 	Explode:
 		TNT1 A 0 A_Jump(255,"Explode1","Explode2","Explode3");
@@ -602,7 +602,7 @@ Class BioGlob : BioGel
 	override void AlignSelf()
 	{
 		Super.AlignSelf();
-		if ( !bAMBUSH ) numsplash = int(2*Scale.x)-1;
+		if ( !bAMBUSH && (Scale.x > 1) ) numsplash = int(2*Scale.x)-1;
 	}
 	override void Tick()
 	{
@@ -613,14 +613,15 @@ Class BioGlob : BioGel
 		{
 			if ( numsplash-- <= 0 ) return;
 			Vector3 dir = (ofs+(FRandom[GES](-.8,.8),FRandom[GES](-.8,.8),FRandom[GES](-.8,.8))).unit();
+			A_SetScale(scale.x-0.15);
 			let d = Spawn("BioSplash",pos+ofs*4);
 			d.target = target;
 			d.master = self;
 			d.scale *= FRandom[GES](0.5,0.7);
 			d.angle = atan2(dir.y,dir.x);
 			d.pitch = -asin(dir.z);
-			d.vel = (cos(d.angle)*cos(d.pitch),sin(d.angle)*cos(d.pitch),-sin(d.pitch))*d.speed*FRandom[GES](0.3,0.4);
-			d.vel.z -= 3;
+			d.vel = (cos(d.angle)*cos(d.pitch),sin(d.angle)*cos(d.pitch),-sin(d.pitch))*d.speed*FRandom[GES](0.4,0.6);
+			d.vel.z -= 2;
 		}
 	}
 }
@@ -744,7 +745,14 @@ Class BioRifle : UTWeapon
 		BIOF A 1 A_BioFire();
 		BIOF BCDEFGHI 1;
 		Goto Idle;
+	AltCheck:
+		TNT1 A 1;
+		TNT1 A 0 A_JumpIf(player.cmd.buttons&BT_ALTATTACK,"AltCheck");
+		TNT1 A 0 A_Overlay(PSP_WEAPON,"AltRelease");
+		TNT1 A 1;
+		Wait;
 	AltFire:
+		BIOC A 0 A_Overlay(-9999,"AltCheck");
 		BIOC A 4 A_BeginCharge();
 		BIOC B 5 A_ChargeUp();
 		BIOC CD 5;
@@ -790,7 +798,12 @@ Class BioRifle : UTWeapon
 		BIOM A 1;
 		BIOM A 0 A_Refire("AltHeld");
 	AltRelease:
-		BIOE A 1 { invoker.charge = min(5.1,invoker.charge+0.1); }
+		BIOE A 1
+		{
+			invoker.charge = min(5.1,invoker.charge+0.1);
+			A_Overlay(-9999,null);
+			A_WeaponOffset(0,32);	// fix sudden psprite lowering
+		}
 		BIOF A 2 A_BioFire(true);
 		BIOF BCDEFGHI 2;
 		Goto Idle;