diff --git a/Tests/Tools/FileAnalyzer.spec.lua b/Tests/Tools/FileAnalyzer.spec.lua
index e7f38d81..47a7d82f 100644
--- a/Tests/Tools/FileAnalyzer.spec.lua
+++ b/Tests/Tools/FileAnalyzer.spec.lua
@@ -156,6 +156,38 @@ describe("FileAnalyzer", function()
 			assertEquals(analysisResult.fields.version[2.5], 1)
 
 			assertEquals(analysisResult.fields.numAnimationClips[1], 5)
+
+			assertEquals(analysisResult.fields.animationFrameMysteryBytes, {
+				[-2004318072] = 1,
+				[-1532779871] = 1,
+				[-1465473371] = 1,
+				[-1263291727] = 1,
+				[0] = 11,
+				[4] = 1,
+				[32] = 1,
+				[66] = 1,
+				[145] = 1,
+				[480] = 1,
+				[640] = 1,
+				[724] = 1,
+				[904] = 1,
+				[1750] = 1,
+				[2366] = 1,
+				[3535] = 1,
+				[6757] = 1,
+				[6778] = 1,
+				[54647] = 1,
+				[67305985] = 2,
+				[134678021] = 2,
+				[286331153] = 1,
+				[572662306] = 1,
+				[858993459] = 1,
+				[1145324612] = 1,
+				[1431655765] = 1,
+				[1717986918] = 1,
+				[2004318071] = 1,
+			})
+			assertEquals(analysisResult.fields.spriteAnchorMysteryBytes, {})
 		end)
 	end)
 
diff --git a/Tools/FileAnalyzer.lua b/Tools/FileAnalyzer.lua
index 130f12ad..4646505d 100644
--- a/Tools/FileAnalyzer.lua
+++ b/Tools/FileAnalyzer.lua
@@ -180,6 +180,8 @@ function FileAnalyzer:AnalyzeACT(actFiles)
 			version = {},
 			numAnimationClips = {},
 			unknownHeaderField = {},
+			animationFrameMysteryBytes = {},
+			spriteAnchorMysteryBytes = {},
 		},
 	}
 
@@ -213,6 +215,23 @@ function FileAnalyzer:AnalyzeACT(actFiles)
 		analysisResult.fields.unknownHeaderField[act.unknownHeaderField] = analysisResult.fields.unknownHeaderField[act.unknownHeaderField]
 			+ 1
 
+		for _, clip in ipairs(act.animationClips) do
+			for _, frame in ipairs(clip.animationFrames) do
+				for _, bytes in ipairs(frame.mysteryBytes) do
+					analysisResult.fields.animationFrameMysteryBytes[bytes] = analysisResult.fields.animationFrameMysteryBytes[bytes]
+						or 0
+					analysisResult.fields.animationFrameMysteryBytes[bytes] = analysisResult.fields.animationFrameMysteryBytes[bytes]
+						+ 1
+					for _, anchor in ipairs(frame.anchors) do
+						analysisResult.fields.spriteAnchorMysteryBytes[anchor.mysteryBytes] = analysisResult.fields.spriteAnchorMysteryBytes[anchor.mysteryBytes]
+							or 0
+						analysisResult.fields.spriteAnchorMysteryBytes[anchor.mysteryBytes] = analysisResult.fields.spriteAnchorMysteryBytes[anchor.mysteryBytes]
+							+ 1
+					end
+				end
+			end
+		end
+
 		analysisResult.numFilesAnalyzed = analysisResult.numFilesAnalyzed + 1
 	end