diff --git a/source/enemy/nanemone.cpp b/source/enemy/nanemone.cpp
index f937d1d0e..3188d69e2 100644
--- a/source/enemy/nanemone.cpp
+++ b/source/enemy/nanemone.cpp
@@ -3,9 +3,9 @@
 	nanemone.cpp
 
 	Author:		CRB
-	Created: 
+	Created:
 	Project:	Spongebob
-	Purpose: 
+	Purpose:
 
 	Copyright (c) 2000 Climax Development Ltd
 
@@ -39,6 +39,12 @@
 #include <ACTOR_SPIKEYANENOME_ANIM.h>
 #endif
 
+void CNpcAnemoneEnemy::postInit()
+{
+	CNpcEnemy::postInit();
+	m_drawRotation = m_heading + 1024;
+}
+
 void CNpcAnemoneEnemy::processEnemyCollision( CThing *thisThing )
 {
 	// do nothing
@@ -207,6 +213,10 @@ void CNpcAnemone2Enemy::postInit()
 		heading &= 4095;
 
 		spikePos = Pos;
+
+		spikePos.vx += ( 10 * rcos( m_heading ) ) >> 12;
+		spikePos.vy += ( 10 * rsin( m_heading ) ) >> 12;
+
 		spikePos.vx += ( 40 * rcos( heading ) ) >> 12;
 		spikePos.vy += ( 40 * rsin( heading ) ) >> 12;
 
@@ -216,6 +226,14 @@ void CNpcAnemone2Enemy::postInit()
 
 		addChild( projectile );
 	}
+
+	m_drawRotation = m_heading + 1024;
+}
+
+void CNpcAnemone2Enemy::shutdown()
+{
+	deleteAllChild();
+	CNpcEnemy::shutdown();
 }
 
 void CNpcAnemone2Enemy::processClose( int _frames )
@@ -267,6 +285,10 @@ void CNpcAnemone2Enemy::processClose( int _frames )
 			heading &= 4095;
 
 			spikePos = Pos;
+
+			spikePos.vx += ( 10 * rcos( m_heading ) ) >> 12;
+			spikePos.vy += ( 10 * rsin( m_heading ) ) >> 12;
+
 			spikePos.vx += ( 40 * rcos( heading ) ) >> 12;
 			spikePos.vy += ( 40 * rsin( heading ) ) >> 12;
 
diff --git a/source/enemy/nanemone.h b/source/enemy/nanemone.h
index 5c5f876db..3f4fbf32d 100644
--- a/source/enemy/nanemone.h
+++ b/source/enemy/nanemone.h
@@ -20,6 +20,8 @@
 
 class	CNpcAnemoneEnemy : public CNpcEnemy
 {
+public:
+	virtual void		postInit();
 protected:
 	virtual void		processEnemyCollision( CThing *thisThing );
 	virtual bool		processSensor();
@@ -35,6 +37,7 @@ class	CNpcAnemone2Enemy : public CNpcAnemoneEnemy
 {
 public:
 	virtual void		postInit();
+	virtual void		shutdown();
 protected:
 	virtual void		processClose( int _frames );
 };
diff --git a/source/enemy/ngen.cpp b/source/enemy/ngen.cpp
index 238434177..b7e799dec 100644
--- a/source/enemy/ngen.cpp
+++ b/source/enemy/ngen.cpp
@@ -29,6 +29,14 @@
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
+void CNpcEnemyGenerator::shutdown()
+{
+	deleteAllChild();
+	CNpcEnemy::shutdown();
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 void CNpcEnemyGenerator::think(int _frames)
 {
 	if ( getNumChildren() < 3 )
diff --git a/source/enemy/ngen.h b/source/enemy/ngen.h
index 025e263c6..ae05b8ff7 100644
--- a/source/enemy/ngen.h
+++ b/source/enemy/ngen.h
@@ -21,9 +21,11 @@
 class	CNpcEnemyGenerator : public CNpcEnemy
 {
 public:
+	virtual void		shutdown();
 	virtual void		processEnemyCollision( CThing *thisThing );
 	void				render();
 	void				think(int _frames);
+	virtual u8			canCollideWithEnemy()									{return( false );}
 };
 
 #endif
\ No newline at end of file
diff --git a/source/enemy/npc.cpp b/source/enemy/npc.cpp
index 32657cb6c..deddad135 100644
--- a/source/enemy/npc.cpp
+++ b/source/enemy/npc.cpp
@@ -804,8 +804,6 @@ void CNpcEnemy::shutdown()
 
 	if (m_actorGfx)	delete m_actorGfx;
 
-	deleteAllChild();
-
 	CEnemyThing::shutdown();
 }
 
@@ -985,7 +983,12 @@ void CNpcEnemy::collidedWith( CThing *_thisThing )
 
 			case TYPE_ENEMY:
 			{
-				processEnemyCollision( _thisThing );
+				CNpcEnemy *enemy = (CNpcEnemy *) _thisThing;
+
+				if ( enemy->canCollideWithEnemy() )
+				{
+					processEnemyCollision( _thisThing );
+				}
 
 				break;
 			}
@@ -1517,11 +1520,11 @@ void CNpcEnemy::processEnemyCollision( CThing *thisThing )
 
 	if ( yDist > 0 )
 	{
-		Pos.vy += 6;
+		Pos.vy += 3;
 	}
 	else
 	{
-		Pos.vy -= 6;
+		Pos.vy -= 3;
 	}
 
 	Pos.vx += otherDelta.vx;
diff --git a/source/enemy/npc.h b/source/enemy/npc.h
index 2b6870d4c..754a7d140 100644
--- a/source/enemy/npc.h
+++ b/source/enemy/npc.h
@@ -160,12 +160,14 @@ public:
 
 	void				init();
 	virtual void		postInit();
-	void				shutdown();
+	virtual void		shutdown();
+	virtual u8			canCollideWithEnemy()									{return( true );}
 	virtual void		think(int _frames);
 	virtual void		render();
 	void				processEvent( GAME_EVENT evt, CThing *sourceThing );
 	void				setLayerCollision( class CLayerCollision *_layer )		{m_layerCollision=_layer;}
 	void				setType( NPC_UNIT_TYPE newType )						{m_type = newType;}
+	NPC_UNIT_TYPE		getType()												{return( m_type );}
 	static NPC_UNIT_TYPE		getTypeFromMapEdit( u16 newType );
 	void				setHeading( s32 newHeading )							{m_heading = newHeading;}
 	void				setHeading( s32 xPos, s32 yPos );
diff --git a/source/enemy/nscrab.cpp b/source/enemy/nscrab.cpp
index 0009c2661..e567dc28c 100644
--- a/source/enemy/nscrab.cpp
+++ b/source/enemy/nscrab.cpp
@@ -38,7 +38,7 @@ void CNpcSpiderCrabEnemy::postInit()
 {
 	m_npcPath.setPathType( CNpcPath::PONG_PATH );
 
-	if ( m_layerCollision->getHeightFromGround( Pos.vx, Pos.vy, 16 ) < 0 )
+	if ( m_layerCollision->getHeightFromGround( Pos.vx, Pos.vy - 8, 16 ) <= 0 )
 	{
 		// starting off below ground, jump initially
 
@@ -251,7 +251,7 @@ void CNpcSpiderCrabEnemy::processSpiderCrabInitJumpMovement( int _frames )
 
 	Pos.vy = m_base.vy - ( ( 50 * rsin( abs( m_extension ) << 4 ) ) >> 12 );
 
-	if ( m_extension > 64 )
+	/*if ( m_extension > 64 )
 	{
 		// check for collision on the way back down
 
@@ -262,6 +262,11 @@ void CNpcSpiderCrabEnemy::processSpiderCrabInitJumpMovement( int _frames )
 	}
 
 	if ( completed || collision )
+	{
+		m_state = SPIDER_CRAB_DEFAULT;
+	}*/
+
+	if ( m_extension > 64 )
 	{
 		m_state = SPIDER_CRAB_DEFAULT;
 	}
@@ -319,3 +324,20 @@ void CNpcSpiderCrabEnemy::processMovementModifier( int _frames, s32 distX, s32 d
 
 	m_drawRotation = heading;
 }
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcSpiderCrabEnemy::processEnemyCollision( CThing *thisThing )
+{
+	if ( m_state != SPIDER_CRAB_INIT_JUMP )
+	{
+		CNpcEnemy::processEnemyCollision( thisThing );
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+u8 CNpcSpiderCrabEnemy::canCollideWithEnemy()
+{
+	return( m_state != SPIDER_CRAB_INIT_JUMP );
+}
diff --git a/source/enemy/nscrab.h b/source/enemy/nscrab.h
index 5bb889d37..21523bda2 100644
--- a/source/enemy/nscrab.h
+++ b/source/enemy/nscrab.h
@@ -22,6 +22,8 @@ class CNpcSpiderCrabEnemy : public CNpcEnemy
 {
 public:
 	virtual void		postInit();
+	virtual u8			canCollideWithEnemy();
+	virtual void		processEnemyCollision( CThing *thisThing );
 protected:
 	virtual void		processMovementModifier( int _frames, s32 distX, s32 distY, s32 dist, s16 headingChange );
 	virtual bool		processSensor();
diff --git a/source/enemy/nworm.cpp b/source/enemy/nworm.cpp
index 3cb04ffc8..de836a963 100644
--- a/source/enemy/nworm.cpp
+++ b/source/enemy/nworm.cpp
@@ -98,6 +98,12 @@ void CNpcParasiticWormEnemy::postInit()
 	m_movementTimer = 2 * GameState::getOneSecondInFrames();
 }
 
+void CNpcParasiticWormEnemy::shutdown()
+{
+	deleteAllChild();
+	CNpcEnemy::shutdown();
+}
+
 void CNpcParasiticWormSegment::postInit()
 {
 }
diff --git a/source/enemy/nworm.h b/source/enemy/nworm.h
index 29a33485b..4e426fdaf 100644
--- a/source/enemy/nworm.h
+++ b/source/enemy/nworm.h
@@ -18,6 +18,7 @@ class CNpcParasiticWormEnemy : public CNpcEnemy
 {
 public:
 	virtual void		postInit();
+	virtual void		shutdown();
 protected:
 	virtual bool		processSensor();
 	virtual void		processClose( int _frames );