diff --git a/src/info.c b/src/info.c
index a5292b2de..0bf0941ec 100644
--- a/src/info.c
+++ b/src/info.c
@@ -12198,7 +12198,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		100,            // mass
 		0,              // damage
 		sfx_None,       // activesound
-		MF_SOLID|MF_SHOOTABLE|MF_ENEMY|MF_PUSHABLE, // flags
+		MF_SOLID|MF_SHOOTABLE|MF_PUSHABLE, // flags
 		S_NULL          // raisestate
 	},
 
diff --git a/src/p_enemy.c b/src/p_enemy.c
index 7804465ff..f2ea9f867 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -5343,20 +5343,28 @@ static mobj_t *minus;
 
 static boolean PIT_MinusCarry(mobj_t *thing)
 {
+	if (minus->tracer)
+		return true;
+
 	if (minus->type == thing->type)
 		return true;
 
-	if (!(thing->flags & MF_SHOOTABLE) || !(thing->flags & MF_ENEMY))
+	if (!(thing->flags & (MF_PUSHABLE|MF_ENEMY)))
 		return true;
 
-	if (P_AproxDistance(minus->x - thing->x, minus->y - thing->y) >= minus->radius * 3)
+	if (P_AproxDistance(minus->x - thing->x, minus->y - thing->y) >= minus->radius*3)
 		return true;
 
 	if (abs(thing->z - minus->z) > minus->height)
 		return true;
 
 	P_SetTarget(&minus->tracer, thing);
-	minus->tracer->flags &= ~MF_PUSHABLE;
+	P_SetTarget(&thing->tracer, minus);
+	if (thing->flags & MF_PUSHABLE)
+	{
+		minus->flags2 |= MF2_STRONGBOX;
+		thing->flags &= ~MF_PUSHABLE;
+	}
 
 	return true;
 }
@@ -5442,7 +5450,15 @@ void A_MinusDigging(mobj_t *actor)
 		if (P_TryMove(actor->tracer, actor->x, actor->y, false))
 			actor->tracer->z = mz;
 		else
+		{
+			if (actor->flags2 & MF2_STRONGBOX)
+			{
+				actor->flags2 &= ~MF2_STRONGBOX;
+				actor->tracer->flags |= MF_PUSHABLE;
+			}
+			P_SetTarget(&actor->tracer->tracer, NULL);
 			P_SetTarget(&actor->tracer, NULL);
+		}
 	}
 }
 
@@ -13455,6 +13471,13 @@ void A_TNTExplode(mobj_t *actor)
 	if (LUA_CallAction("A_TNTExplode", actor))
 		return;
 #endif
+
+	if (actor->tracer)
+	{
+		P_SetTarget(&actor->tracer->tracer, NULL);
+		P_SetTarget(&actor->tracer, NULL);
+	}
+
 	P_UnsetThingPosition(actor);
 	if (sector_list)
 	{
@@ -13682,7 +13705,8 @@ static void P_SnapperLegPlace(mobj_t *mo)
 	fixed_t rad = mo->radius;
 	INT32 necklen = (32*(mo->info->reactiontime - mo->reactiontime))/mo->info->reactiontime; // Not in FU
 
-	P_TeleportMove(seg, mo->x + FixedMul(c, rad) + necklen*c, mo->y + FixedMul(s, rad) + necklen*s, mo->z + ((mo->eflags & MFE_VERTICALFLIP) ? (((mo->height<<1)/3) - seg->height) : mo->height/3));
+	seg->z = mo->z + ((mo->eflags & MFE_VERTICALFLIP) ? (((mo->height<<1)/3) - seg->height) : mo->height/3);
+	P_TryMove(seg, mo->x + FixedMul(c, rad) + necklen*c, mo->y + FixedMul(s, rad) + necklen*s, true);
 	seg->angle = a;
 
 	// Move as many legs as available.
@@ -13702,7 +13726,8 @@ static void P_SnapperLegPlace(mobj_t *mo)
 		{
 			x = c*o2 + s*o1;
 			y = s*o2 - c*o1;
-			P_TeleportMove(seg, mo->x + x, mo->y + y, mo->z + (((mo->eflags & MFE_VERTICALFLIP) ? (mo->height - seg->height) : 0)));
+			seg->z = mo->z + (((mo->eflags & MFE_VERTICALFLIP) ? (mo->height - seg->height) : 0));
+			P_TryMove(seg, mo->x + x, mo->y + y, true);
 			P_SetMobjState(seg, seg->info->raisestate);
 		}
 		else
diff --git a/src/p_inter.c b/src/p_inter.c
index 3def80f51..3ece610e7 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -2681,6 +2681,19 @@ void P_KillMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, UINT8 damaget
 				P_KillMobj(target->target, target, source, 0);
 			break;
 
+		case MT_MINUS:
+			if (target->tracer)
+			{
+				if (target->flags2 & MF2_STRONGBOX)
+				{
+					target->flags2 &= ~MF2_STRONGBOX;
+					target->tracer->flags |= MF_PUSHABLE;
+				}
+				P_SetTarget(&target->tracer->tracer, NULL);
+				P_SetTarget(&target->tracer, NULL);
+			}
+			break;
+
 		case MT_PLAYER:
 			{
 				target->fuse = TICRATE*3; // timer before mobj disappears from view (even if not an actual player)
diff --git a/src/p_map.c b/src/p_map.c
index fbea6c271..161f5b14a 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -604,6 +604,34 @@ static void P_SlapStick(mobj_t *fang, mobj_t *pole)
 	P_SetTarget(&pole->tracer, NULL);
 }
 
+static void P_PlayerBarrelCollide(mobj_t *toucher, mobj_t *barrel)
+{
+	if (toucher->momz < 0)
+	{
+		if (toucher->z + toucher->momz > barrel->z + barrel->height)
+			return;
+	}
+	else
+	{
+		if (toucher->z > barrel->z + barrel->height)
+			return;
+	}
+
+	if (toucher->momz > 0)
+	{
+		if (toucher->z + toucher->height + toucher->momz < barrel->z)
+			return;
+	}
+	else
+	{
+		if (toucher->z + toucher->height < barrel->z)
+			return;
+	}
+
+	if (P_PlayerCanDamage(toucher->player, barrel))
+		P_DamageMobj(barrel, toucher, toucher, 1, 0);
+}
+
 //
 // PIT_CheckThing
 //
@@ -891,39 +919,7 @@ static boolean PIT_CheckThing(mobj_t *thing)
 	}
 
 	if (thing->type == MT_TNTBARREL && tmthing->player)
-	{
-		if (tmthing->momz < 0)
-		{
-			if (tmthing->z + tmthing->momz > thing->z + thing->height)
-				return true;
-		}
-		else
-		{
-			if (tmthing->z > thing->z + thing->height)
-				return true;
-		}
-
-		if (tmthing->momz > 0)
-		{
-			if (tmthing->z + tmthing->height + tmthing->momz < thing->z)
-				return true;
-		}
-		else
-		{
-			if (tmthing->z + tmthing->height < thing->z)
-				return true;
-		}
-
-		if ((tmthing->player->pflags & (PF_SPINNING | PF_GLIDING))
-			|| ((tmthing->player->pflags & PF_JUMPED)
-				&& (!(tmthing->player->pflags & PF_NOJUMPDAMAGE)
-					|| (tmthing->player->charability == CA_TWINSPIN && tmthing->player->panim == PA_ABILITY)))
-			|| (tmthing->player->charability2 == CA2_MELEE && tmthing->player->panim == PA_ABILITY2)
-			|| ((tmthing->player->charflags & SF_STOMPDAMAGE || tmthing->player->pflags & PF_BOUNCING)
-				&& (P_MobjFlip(tmthing)*(tmthing->z - (thing->z + thing->height / 2)) > 0) && (P_MobjFlip(tmthing)*tmthing->momz < 0))
-			|| (((tmthing->player->powers[pw_shield] & SH_NOSTACK) == SH_ELEMENTAL || (tmthing->player->powers[pw_shield] & SH_NOSTACK) == SH_BUBBLEWRAP) && (tmthing->player->pflags & PF_SHIELDABILITY)))
-			P_DamageMobj(thing, tmthing, tmthing, 1, 0);
-	}
+		P_PlayerBarrelCollide(tmthing, thing);
 
 	if (thing->type == MT_VULTURE && tmthing->type == MT_VULTURE)
 	{
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 5c4609f04..daa8cd9f2 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -9915,6 +9915,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 			}
 		case MT_TNTBARREL:
 			mobj->momx = 1; //stack hack
+			mobj->flags2 |= MF2_INVERTAIMABLE;
 			break;
 		case MT_MINECARTEND:
 			P_SetTarget(&mobj->tracer, P_SpawnMobjFromMobj(mobj, 0, 0, 0, MT_MINECARTENDSOLID));