diff --git a/source/enemy/nscrab.cpp b/source/enemy/nscrab.cpp
new file mode 100644
index 000000000..ab328a29b
--- /dev/null
+++ b/source/enemy/nscrab.cpp
@@ -0,0 +1,66 @@
+/*=========================================================================
+
+	nscrab.cpp
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2000 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __ENEMY_NPC_H__
+#include "enemy\npc.h"
+#endif
+
+#ifndef __GAME_GAME_H__
+#include	"game\game.h"
+#endif
+
+#ifndef	__PLAYER_PLAYER_H__
+#include	"player\player.h"
+#endif
+
+
+void CNpc::processCloseSpiderCrabAttack( int _frames )
+{
+	s32 velocity;
+
+	velocity = m_velocity * _frames;
+
+	if ( m_extendDir == EXTEND_RIGHT )
+	{
+		Pos.vx += velocity;
+	}
+	else
+	{
+		Pos.vx -= velocity;
+	}
+
+	s32 horizontalExtension = abs( Pos.vx - m_extensionBase.vx );
+
+	if ( horizontalExtension > 128 )
+	{
+		if ( m_extendDir == EXTEND_RIGHT )
+		{
+			Pos.vx = m_extensionBase.vx + 128;
+		}
+		else
+		{
+			Pos.vx = m_extensionBase.vx - 128;
+		}
+
+		Pos.vy = m_extensionBase.vy;
+
+		m_controlFunc = NPC_CONTROL_MOVEMENT;
+		m_timerFunc = NPC_TIMER_ATTACK_DONE;
+		m_timerTimer = GameState::getOneSecondInFrames();
+		m_sensorFunc = NPC_SENSOR_NONE;
+	}
+	else
+	{
+		Pos.vy = m_extensionBase.vy - ( ( 20 * rsin( horizontalExtension << 4 ) ) >> 12 );
+	}
+}