diff --git a/src/simulation/elements/DEST.cpp b/src/simulation/elements/DEST.cpp
index 42124c752..fd4f6530b 100644
--- a/src/simulation/elements/DEST.cpp
+++ b/src/simulation/elements/DEST.cpp
@@ -59,7 +59,7 @@ int Element_DEST::update(UPDATE_FUNC_ARGS)
 
 	if (parts[i].life<=0 || parts[i].life>37)
 	{
-		parts[i].life = RNG::Ref().between(30, 59);
+		parts[i].life = RNG::Ref().between(30, 49);
 		sim->pv[y/CELL][x/CELL]+=60.0f;
 	}
 	if (rt == PT_PLUT || rt == PT_DEUT)
diff --git a/src/simulation/elements/LIGH.cpp b/src/simulation/elements/LIGH.cpp
index 00610d819..1770769bb 100644
--- a/src/simulation/elements/LIGH.cpp
+++ b/src/simulation/elements/LIGH.cpp
@@ -91,7 +91,7 @@ int Element_LIGH::update(UPDATE_FUNC_ARGS)
 				rt = TYP(r);
 				if ((surround_space || sim->elements[rt].Explosive) &&
 				    (rt!=PT_SPNG || parts[ID(r)].life==0) &&
-					sim->elements[rt].Flammable && (sim->elements[rt].Flammable + RNG::Ref().chance(sim->pv[(y+ry)/CELL][(x+rx)/CELL] * 10.0f, 1000)))
+					sim->elements[rt].Flammable && RNG::Ref().chance(sim->elements[rt].Flammable + sim->pv[(y+ry)/CELL][(x+rx)/CELL] * 10.0f, 1000))
 				{
 					sim->part_change_type(ID(r),x+rx,y+ry,PT_FIRE);
 					parts[ID(r)].temp = restrict_flt(sim->elements[PT_FIRE].Temperature + (sim->elements[rt].Flammable/2), MIN_TEMP, MAX_TEMP);
diff --git a/src/simulation/elements/NEUT.cpp b/src/simulation/elements/NEUT.cpp
index 5f975e86b..e5a42c50b 100644
--- a/src/simulation/elements/NEUT.cpp
+++ b/src/simulation/elements/NEUT.cpp
@@ -70,7 +70,7 @@ int Element_NEUT::update(UPDATE_FUNC_ARGS)
 					{
 						if (RNG::Ref().chance(1, 3))
 						{
-							sim->create_part(ID(r), x+rx, y+ry, RNG::Ref().chance(1, 3) ? PT_LAVA : PT_URAN);
+							sim->create_part(ID(r), x+rx, y+ry, RNG::Ref().chance(2, 3) ? PT_LAVA : PT_URAN);
 							parts[ID(r)].temp = MAX_TEMP;
 							if (parts[ID(r)].type==PT_LAVA) {
 								parts[ID(r)].tmp = 100;
diff --git a/src/simulation/elements/SPNG.cpp b/src/simulation/elements/SPNG.cpp
index 9616ce9f6..e679869de 100644
--- a/src/simulation/elements/SPNG.cpp
+++ b/src/simulation/elements/SPNG.cpp
@@ -73,7 +73,7 @@ int Element_SPNG::update(UPDATE_FUNC_ARGS)
 						if (parts[i].life<limit && RNG::Ref().chance(50, absorbChanceDenom))
 						{
 							parts[i].life++;
-							if (RNG::Ref().chance(1, 4))
+							if (RNG::Ref().chance(3, 4))
 								sim->kill_part(ID(r));
 							else
 								sim->part_change_type(ID(r), x+rx, y+ry, PT_SALT);
diff --git a/src/simulation/elements/STKM.cpp b/src/simulation/elements/STKM.cpp
index 2f30396d5..0d1533b06 100644
--- a/src/simulation/elements/STKM.cpp
+++ b/src/simulation/elements/STKM.cpp
@@ -468,7 +468,7 @@ int Element_STKM::run_stickman(playerst *playerp, UPDATE_FUNC_ARGS) {
 					if (angle<0)
 						angle+=360;
 					parts[np].tmp = angle;
-					parts[np].life = RNG::Ref().between(0, 2+power/15) + power/7;
+					parts[np].life = RNG::Ref().between(0, 1+power/15) + power/7;
 					parts[np].temp = parts[np].life*power/2.5;
 					parts[np].tmp2 = 1;
 				}
@@ -592,7 +592,7 @@ void Element_STKM::STKM_interact(Simulation *sim, playerst *playerp, int i, int
 	{
 		if (TYP(r)==PT_SPRK && playerp->elem!=PT_LIGH) //If on charge
 		{
-			sim->parts[i].life -= RNG::Ref().between(32, 52);
+			sim->parts[i].life -= RNG::Ref().between(32, 51);
 		}
 
 		if (sim->elements[TYP(r)].HeatConduct && (TYP(r)!=PT_HSWC||sim->parts[ID(r)].life==10) && ((playerp->elem!=PT_LIGH && sim->parts[ID(r)].temp>=323) || sim->parts[ID(r)].temp<=243) && (!playerp->rocketBoots || TYP(r)!=PT_PLSM))