diff --git a/plugins/GSdx/GSCrc.cpp b/plugins/GSdx/GSCrc.cpp
index f0f56ac95c..f617fcae9f 100644
--- a/plugins/GSdx/GSCrc.cpp
+++ b/plugins/GSdx/GSCrc.cpp
@@ -323,6 +323,7 @@ CRC::Game CRC::m_games[] =
 	{0x615EA2DB, Sly2, JP, 0}, // Kaitou Sly Cooper 2
 	{0xFDA1CBF6, Sly2, EU, 0},
 	{0x15DD1F6F, Sly2, NoRegion, 0},
+	{0xBF1739E2, Sly2, NoRegion, 0}, // Prototype maybe, is it official ? I don't remember, found it when testing my dumps (LT).
 	{0xA9C82AB9, DemonStone, US, 0},
 	{0x7C7578F3, DemonStone, EU, 0},
 	{0x22425C19, DemonStone, KO, 0},
diff --git a/plugins/GSdx/Renderers/HW/GSHwHack.cpp b/plugins/GSdx/Renderers/HW/GSHwHack.cpp
index bdc9194eda..ac5bf2c27d 100644
--- a/plugins/GSdx/Renderers/HW/GSHwHack.cpp
+++ b/plugins/GSdx/Renderers/HW/GSHwHack.cpp
@@ -1254,32 +1254,15 @@ bool GSC_TenchuGames(const GSFrameInfo& fi, int& skip)
 	return true;
 }
 
-bool GSC_Sly3(const GSFrameInfo& fi, int& skip)
+bool GSC_SlyGames(const GSFrameInfo& fi, int& skip)
 {
 	if(skip == 0)
 	{
-		if(fi.TME && (fi.FBP == 0x00000 || fi.FBP == 0x00700 || fi.FBP == 0x00a80 || fi.FBP == 0x00e00) && fi.FPSM == fi.TPSM && (fi.TBP0 == 0x00000 || fi.TBP0 == 0x00700 || fi.TBP0 == 0x00a80 || fi.TBP0 == 0x00e00) && fi.TPSM == PSM_PSMCT16)
-		{
-			skip = 1000;
-		}
-	}
-	else
-	{
-		if(fi.TME && fi.FPSM == fi.TPSM && fi.TPSM == PSM_PSMCT16 && fi.FBMSK == 0x03FFF)
-		{
-			skip = 3;
-		}
-	}
-
-	return true;
-}
-
-bool GSC_Sly2(const GSFrameInfo& fi, int& skip)
-{
-	if(skip == 0)
-	{
-		if(fi.TME &&  (fi.FBP == 0x00000 || fi.FBP == 0x00700 || fi.FBP == 0x00800 || fi.FBP == 0x008c0) && fi.FPSM == fi.TPSM && fi.TPSM == PSM_PSMCT16 && fi.FBMSK == 0x03FFF)
+		if(fi.TME && fi.FPSM == fi.TPSM && (fi.FBP == 0x00000 || fi.FBP == 0x00700 || fi.FBP == 0x00800 || fi.FBP == 0x008c0 || fi.FBP == 0x00a80 || fi.FBP == 0x00e00) && fi.TPSM == PSM_PSMCT16 && fi.FBMSK == 0x03FFF)
+			// 0x00a80, 0x00e00 from Sly 3
 		{
+			// Upscaling issue with texture shuffle on dx and gl. Also removes shadows on gl.
+			// Bbox issue on dx.
 			skip = 1000;
 		}
 	}
@@ -1854,17 +1837,12 @@ void GSState::SetupCrcHack()
 		lut[CRC::Yakuza] = GSC_YakuzaGames;
 		lut[CRC::Yakuza2] = GSC_YakuzaGames;
 
-		// Depth + Texture cache issue + Date (AKA a real mess)
-		lut[CRC::HauntingGround] = GSC_HauntingGround;
-
 		// Not tested but must be fixed with texture shuffle
 		lut[CRC::CrashNburn] = GSC_CrashNburn; // seem to be a basic depth effect
 
 		// Those games might requires accurate fbmask
 		lut[CRC::OnePieceGrandAdventure] = GSC_OnePieceGrandAdventure;
 		lut[CRC::OnePieceGrandBattle] = GSC_OnePieceGrandBattle;
-		lut[CRC::Sly2] = GSC_Sly2;
-		lut[CRC::Sly3] = GSC_Sly3;
 
 		// Those games require accurate_colclip (perf)
 		lut[CRC::CastlevaniaCoD] = GSC_CastlevaniaGames;
@@ -1873,6 +1851,11 @@ void GSState::SetupCrcHack()
 		// Unknown status
 		lut[CRC::Grandia3] = GSC_Grandia3;
 
+		// Bounding box issue
+		lut[CRC::HauntingGround] = GSC_HauntingGround; // + Texture cache issue + Date
+		lut[CRC::Sly2] = GSC_SlyGames; // + Upscaling issue
+		lut[CRC::Sly3] = GSC_SlyGames; // + Upscaling issue
+
 		// Dedicated shader for channel effect
 		lut[CRC::TalesOfAbyss] = GSC_TalesOfAbyss;