diff --git a/Tools/BiomeVisualiser/.gitignore b/Tools/BiomeVisualiser/.gitignore
index b4e15dc3c..cfbc9164c 100644
--- a/Tools/BiomeVisualiser/.gitignore
+++ b/Tools/BiomeVisualiser/.gitignore
@@ -1,3 +1,4 @@
 Debug/
 logs/
 Release/
+Release profiled/
diff --git a/Tools/BiomeVisualiser/BiomeRenderer.cpp b/Tools/BiomeVisualiser/BiomeRenderer.cpp
index 758eb4b48..569128a12 100644
--- a/Tools/BiomeVisualiser/BiomeRenderer.cpp
+++ b/Tools/BiomeVisualiser/BiomeRenderer.cpp
@@ -40,10 +40,10 @@ bool cBiomeRenderer::Render(cPixmap & a_Pixmap)
 	int Hei = a_Pixmap.GetHeight();
 	
 	// Hint the approximate view area to the biome source so that it can adjust its caches:
-	int MinBlockX = (    - m_OriginX) / m_Zoom;
-	int MaxBlockX = (Wid - m_OriginX) / m_Zoom;
-	int MinBlockZ = (    - m_OriginY) / m_Zoom;
-	int MaxBlockZ = (Hei - m_OriginY) / m_Zoom;
+	int MinBlockX = (    - m_OriginX) * m_Zoom;
+	int MaxBlockX = (Wid - m_OriginX) * m_Zoom;
+	int MinBlockZ = (    - m_OriginY) * m_Zoom;
+	int MaxBlockZ = (Hei - m_OriginY) * m_Zoom;
 	m_Cache.HintViewArea(MinBlockX / 16 - 1, MaxBlockX / 16 + 1, MinBlockZ / 16 - 1, MaxBlockZ / 16 + 1);
 	
 	// Hold one current chunk of biome data:
@@ -55,12 +55,12 @@ bool cBiomeRenderer::Render(cPixmap & a_Pixmap)
 	
 	for (int y = 0; y < Hei; y++)
 	{
-		int BlockZ = (y - m_OriginY) / m_Zoom;
+		int BlockZ = (y - m_OriginY) * m_Zoom;
 		int ChunkZ = (BlockZ >= 0) ? (BlockZ / 16) : ((BlockZ + 1) / 16 - 1);
 		int RelZ = BlockZ - ChunkZ * 16;
 		for (int x = 0; x < Wid; x++)
 		{
-			int BlockX = (x - m_OriginX) / m_Zoom;
+			int BlockX = (x - m_OriginX) * m_Zoom;
 			int ChunkX = (BlockX >= 0) ? (BlockX / 16) : ((BlockX + 1) / 16 - 1);
 			int RelX = BlockX - ChunkX * 16;
 			if ((ChunkZ != CurChunkZ) || (ChunkX != CurChunkX))
diff --git a/Tools/BiomeVisualiser/BiomeRenderer.h b/Tools/BiomeVisualiser/BiomeRenderer.h
index 2590e0406..752b61811 100644
--- a/Tools/BiomeVisualiser/BiomeRenderer.h
+++ b/Tools/BiomeVisualiser/BiomeRenderer.h
@@ -37,6 +37,11 @@ public:
 	
 	void MoveViewBy(int a_OffsX, int a_OffsY);
 	
+	void SetZoom(int a_NewZoom)
+	{
+		m_Zoom = a_NewZoom;
+	}
+	
 protected:
 	cBiomeCache m_Cache;
 	
diff --git a/Tools/BiomeVisualiser/BiomeViewWnd.cpp b/Tools/BiomeVisualiser/BiomeViewWnd.cpp
index 5c1240bc7..7fb61c062 100644
--- a/Tools/BiomeVisualiser/BiomeViewWnd.cpp
+++ b/Tools/BiomeVisualiser/BiomeViewWnd.cpp
@@ -67,17 +67,41 @@ void cBiomeViewWnd::InitBiomeView(void)
 
 
 
+void cBiomeViewWnd::SetZoom(int a_NewZoom)
+{
+	m_Renderer.SetZoom(a_NewZoom);
+	Redraw();
+}
+
+
+
+
+
+void cBiomeViewWnd::Redraw(void)
+{
+	if (m_Renderer.Render(m_Pixmap))
+	{
+		SetTimer(m_Wnd, TIMER_RERENDER, 200, NULL);
+	}
+	InvalidateRect(m_Wnd, NULL, FALSE);
+}
+
+
+
+
+
 LRESULT cBiomeViewWnd::WndProc(HWND a_Wnd, UINT a_Msg, WPARAM wParam, LPARAM lParam)
 {
 	switch (a_Msg)
 	{
-		case WM_CLOSE:       return OnClose();
-		case WM_COMMAND:     return OnCommand(wParam, lParam);
+		case WM_CHAR:        return OnChar       (wParam, lParam);
+		case WM_CLOSE:       return OnClose      ();
+		case WM_COMMAND:     return OnCommand    (wParam, lParam);
 		case WM_LBUTTONDOWN: return OnLButtonDown(wParam, lParam);
 		case WM_LBUTTONUP:   return OnLButtonUp  (wParam, lParam);
 		case WM_MOUSEMOVE:   return OnMouseMove  (wParam, lParam);
-		case WM_PAINT:       return OnPaint();
-		case WM_TIMER:       return OnTimer(wParam);
+		case WM_PAINT:       return OnPaint      ();
+		case WM_TIMER:       return OnTimer      (wParam);
 	}
 	return ::DefWindowProc(a_Wnd, a_Msg, wParam, lParam);
 }
@@ -86,6 +110,32 @@ LRESULT cBiomeViewWnd::WndProc(HWND a_Wnd, UINT a_Msg, WPARAM wParam, LPARAM lPa
 
 
 
+LRESULT cBiomeViewWnd::OnChar(WPARAM wParam, LPARAM lParam)
+{
+	switch (wParam)
+	{
+		case '1': SetZoom(1); break;
+		case '2': SetZoom(2); break;
+		case '3': SetZoom(3); break;
+		case '4': SetZoom(4); break;
+		case '5': SetZoom(5); break;
+		case '6': SetZoom(6); break;
+		case '7': SetZoom(7); break;
+		case '8': SetZoom(8); break;
+		case 27:
+		{
+			// Esc pressed, exit
+			PostQuitMessage(0);
+			break;
+		}
+	}
+	return 0;
+}
+
+
+
+
+
 LRESULT cBiomeViewWnd::OnClose(void)
 {
 	PostQuitMessage(0);
@@ -126,12 +176,8 @@ LRESULT cBiomeViewWnd::OnMouseMove(WPARAM wParam, LPARAM lParam)
 	POINT pnt;
 	GetCursorPos(&pnt);
 	m_Renderer.MoveViewBy(pnt.x - m_MouseDown.x, pnt.y - m_MouseDown.y);
-	if (m_Renderer.Render(m_Pixmap))
-	{
-		SetTimer(m_Wnd, TIMER_RERENDER, 200, NULL);
-	}
 	m_MouseDown = pnt;
-	InvalidateRect(m_Wnd, NULL, FALSE);
+	Redraw();
 	return 0;
 }
 
diff --git a/Tools/BiomeVisualiser/BiomeViewWnd.h b/Tools/BiomeVisualiser/BiomeViewWnd.h
index e3f70c7e6..70c5e38f2 100644
--- a/Tools/BiomeVisualiser/BiomeViewWnd.h
+++ b/Tools/BiomeVisualiser/BiomeViewWnd.h
@@ -48,9 +48,13 @@ protected:
 	
 	void InitBiomeView(void);
 	
+	void SetZoom(int a_NewZoom);
+	void Redraw(void);
+	
 	LRESULT WndProc(HWND a_Wnd, UINT a_Msg, WPARAM wParam, LPARAM lParam);
 	
 	// Message handlers:
+	LRESULT OnChar       (WPARAM wParam, LPARAM lParam);
 	LRESULT OnClose      (void);
 	LRESULT OnCommand    (WPARAM wParam, LPARAM lParam);
 	LRESULT OnLButtonDown(WPARAM wParam, LPARAM lParam);
diff --git a/Tools/BiomeVisualiser/BiomeVisualiser.vcproj b/Tools/BiomeVisualiser/BiomeVisualiser.vcproj
index e42870b13..368657938 100644
--- a/Tools/BiomeVisualiser/BiomeVisualiser.vcproj
+++ b/Tools/BiomeVisualiser/BiomeVisualiser.vcproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="windows-1250"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9,00"
+	Version="9.00"
 	Name="BiomeVisualiser"
 	ProjectGUID="{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}"
 	RootNamespace="BiomeVisualiser"
@@ -272,6 +272,10 @@
 				RelativePath=".\BiomeColors.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\BiomeColors.h"
+				>
+			</File>
 			<File
 				RelativePath=".\BiomeRenderer.cpp"
 				>
@@ -501,10 +505,6 @@
 				</Filter>
 			</Filter>
 		</Filter>
-		<File
-			RelativePath=".\BiomeColors.h"
-			>
-		</File>
 	</Files>
 	<Globals>
 	</Globals>