diff --git a/sample_project/TileSheets/AB.ng b/sample_project/TileSheets/AB.nts
similarity index 100%
rename from sample_project/TileSheets/AB.ng
rename to sample_project/TileSheets/AB.nts
diff --git a/sample_project/TileSheets/CD.ng b/sample_project/TileSheets/CD.nts
similarity index 100%
rename from sample_project/TileSheets/CD.ng
rename to sample_project/TileSheets/CD.nts
diff --git a/sample_project/TileSheets/Charset.ng b/sample_project/TileSheets/Charset.nts
similarity index 100%
rename from sample_project/TileSheets/Charset.ng
rename to sample_project/TileSheets/Charset.nts
diff --git a/sample_project/TileSheets/Chester.ng b/sample_project/TileSheets/Chester.ng
deleted file mode 100644
index f641e4ab..00000000
Binary files a/sample_project/TileSheets/Chester.ng and /dev/null differ
diff --git a/sample_project/TileSheets/Chester.nts b/sample_project/TileSheets/Chester.nts
new file mode 100644
index 00000000..9eed0c26
--- /dev/null
+++ b/sample_project/TileSheets/Chester.nts
@@ -0,0 +1,352 @@
+K1;5667c759-7ba1-470a-8860-72f0720dc58c;O1;net.drinkingtea.nostalgia.gfx.TileSheet;5;{
+	"bpp" : 4,
+	"defaultPalette" : "uuid://14fc3dd8-42ff-4bf9-81f1-a010cc5ac251",
+	"idIt" : 7,
+	"subsheet" : 
+	{
+		"columns" : -1,
+		"name" : "Root",
+		"rows" : -1,
+		"subsheets" : 
+		[
+			{
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+				"id" : 5,
+				"name" : "Blank",
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+				],
+				"rows" : 1
+			},
+			{
+				"columns" : 2,
+				"id" : 6,
+				"name" : "Dirt",
+				"pixels" : 
+				[
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+				],
+				"rows" : 2
+			}
+		]
+	}
+}
\ No newline at end of file
diff --git a/sample_project/TileSheets/Dirt.ng b/sample_project/TileSheets/Dirt.nts
similarity index 100%
rename from sample_project/TileSheets/Dirt.ng
rename to sample_project/TileSheets/Dirt.nts
diff --git a/sample_project/TileSheets/Logo.ng b/sample_project/TileSheets/Logo.nts
similarity index 100%
rename from sample_project/TileSheets/Logo.ng
rename to sample_project/TileSheets/Logo.nts
diff --git a/sample_project/TileSheets/NS_Logo.ng b/sample_project/TileSheets/NS_Logo.nts
similarity index 100%
rename from sample_project/TileSheets/NS_Logo.ng
rename to sample_project/TileSheets/NS_Logo.nts
diff --git a/sample_project/TileSheets/SC9K_Logo.nts b/sample_project/TileSheets/SC9K_Logo.nts
new file mode 100644
index 00000000..7273bd89
Binary files /dev/null and b/sample_project/TileSheets/SC9K_Logo.nts differ