diff --git a/source/hazard/hspikes.cpp b/source/hazard/hspikes.cpp
new file mode 100644
index 000000000..eadac5584
--- /dev/null
+++ b/source/hazard/hspikes.cpp
@@ -0,0 +1,75 @@
+/*=========================================================================
+
+	hspikes.cpp
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __HAZARD_HSPIKES_H__
+#include "hazard\hspikes.h"
+#endif
+
+#ifndef __LAYER_COLLISION_H__
+#include "level\layercollision.h"
+#endif
+
+void CNpcSpikesHazard::init()
+{
+	CNpcHazard::init();
+
+	m_state = SPIKES_RISING;
+}
+
+void CNpcSpikesHazard::processMovement( int _frames )
+{
+	s32 minY, maxY;
+	m_npcPath.getPathYExtents( &minY, &maxY );
+
+	switch ( m_state )
+	{
+		case SPIKES_DROPPING:
+		{
+			if ( maxY - Pos.vy == 0 )
+			{
+				m_state = SPIKES_RISING;
+			}
+			else
+			{
+				Pos.vy += 3 * _frames;
+
+				if ( Pos.vy > maxY )
+				{
+					Pos.vy = maxY;
+				}
+			}
+
+
+			break;
+		}
+
+		case SPIKES_RISING:
+		{
+			if ( minY - Pos.vy == 0 )
+			{
+				m_state = SPIKES_DROPPING;
+			}
+			else
+			{
+				Pos.vy -= 3 * _frames;
+
+				if ( Pos.vy < minY )
+				{
+					Pos.vy = minY;
+				}
+			}
+
+			break;
+		}
+	}
+}
diff --git a/source/hazard/hspikes.h b/source/hazard/hspikes.h
new file mode 100644
index 000000000..a41edcaad
--- /dev/null
+++ b/source/hazard/hspikes.h
@@ -0,0 +1,37 @@
+/*=========================================================================
+
+	hspikes.h
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __HAZARD_HSPIKES_H__
+#define __HAZARD_HSPIKES_H__
+
+#ifndef __HAZARD_HAZARD_H__
+#include "hazard\hazard.h"
+#endif
+
+class CNpcSpikesHazard : public CNpcHazard
+{
+public:
+	void				init();
+protected:
+	void				processMovement( int _frames );
+
+	enum SPIKES_STATE
+	{
+		SPIKES_DROPPING,
+		SPIKES_RISING,
+	};
+
+	SPIKES_STATE		m_state;
+};
+
+#endif
\ No newline at end of file