diff --git a/lib/fluent/plugin/exception_detector.rb b/lib/fluent/plugin/exception_detector.rb
index 2d868bf..bd747f9 100644
--- a/lib/fluent/plugin/exception_detector.rb
+++ b/lib/fluent/plugin/exception_detector.rb
@@ -149,8 +149,17 @@ def self.supported
       rule(:dart_stack, /^<asynchronous suspension>$/, :dart_stack)
     ].freeze
 
+    UNITY_RULES = [
+      rule(:start_state, /^Caught fatal signal.*$/, :unity_stack_begin),
+      rule(:unity_stack_begin, /^Obtained \d+ stack frames.*$/,
+           :unity_stack_frames),
+      rule(:unity_stack_frames, /^#\d.*in _start$/, :start_state),
+      rule(:unity_stack_frames, /^#\d/, :unity_stack_frames)
+    ].freeze
+
     ALL_RULES = (
-      JAVA_RULES + PYTHON_RULES + PHP_RULES + GO_RULES + RUBY_RULES + DART_RULES
+      JAVA_RULES + PYTHON_RULES + PHP_RULES + GO_RULES + RUBY_RULES +
+      DART_RULES + UNITY_RULES
     ).freeze
 
     RULES_BY_LANG = {
@@ -165,6 +174,7 @@ def self.supported
       rb: RUBY_RULES,
       ruby: RUBY_RULES,
       dart: DART_RULES,
+      unity: UNITY_RULES,
       all: ALL_RULES
     }.freeze
 
diff --git a/test/plugin/test_exception_detector.rb b/test/plugin/test_exception_detector.rb
index f001d0e..a81c789 100644
--- a/test/plugin/test_exception_detector.rb
+++ b/test/plugin/test_exception_detector.rb
@@ -559,6 +559,33 @@ class ExceptionDetectorTest < Test::Unit::TestCase
 #3      main (file:///path/to/code/dartFile.dart:10:3)
 #4      _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:265)
 #5      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:151)
+END
+
+  UNITY_ERR = <<END.freeze
+Caught fatal signal - signo:5 code:-6 errno:0 addr:0x1
+Obtained 22 stack frames.
+#0  0x007f94d638168f in DebugStringToFile(DebugStringToFileData const&)
+#1  0x007f94d5c87aee in DiagnosticsUtils_Bindings::ForceCrash(DiagnosticsUtils_Bindings::ForcedCrashCategory, ScriptingExceptionPtr*)
+#2  0x007f94d5dde998 in Utils_CUSTOM_ForceCrash(DiagnosticsUtils_Bindings::ForcedCrashCategory)
+#3  0x0000004160b80d in (wrapper managed-to-native) UnityEngine.Diagnostics.Utils:ForceCrash (UnityEngine.Diagnostics.ForcedCrashCategory)
+#4  0x0000004144fa02 in System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner:InvokeMoveNext (object)
+#5  0x00000041292063 in System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
+#6  0x000000414f21f9 in System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation/<>c:<.cctor>b__7_0 (object)
+#7  0x000000414ece0b in UnityEngine.UnitySynchronizationContext:Exec ()
+#8  0x000000414ec723 in UnityEngine.UnitySynchronizationContext:ExecuteTasks ()
+#9  0x007f94d3582505 in mono_print_method_from_ip
+#10 0x007f94d36f15c3 in mono_perfcounter_foreach
+#11 0x007f94d36f2470 in mono_runtime_invoke
+#12 0x007f94d5ceb292 in scripting_method_invoke(ScriptingMethodPtr, ScriptingObjectPtr, ScriptingArguments&, ScriptingExceptionPtr*, bool)
+#13 0x007f94d5ce92df in ScriptingInvocation::Invoke(ScriptingExceptionPtr*, bool)
+#14 0x007f94d4ee5a87 in Scripting::UnityEngine::UnitySynchronizationContextProxy::ExecuteTasks(ScriptingExceptionPtr*)
+#15 0x007f94d5aa602f in InitPlayerLoopCallbacks()::UpdateScriptRunDelayedTasksRegistrator::Forward()
+#16 0x007f94d5a993ee in ExecutePlayerLoop(NativePlayerLoopSystem*)
+#17 0x007f94d5a9945a in ExecutePlayerLoop(NativePlayerLoopSystem*)
+#18 0x007f94d5a999d2 in PlayerLoop()
+#19 0x007f94d5d57f7e in PlayerMain(int, char**)
+#20 0x007f94d46e009b in __libc_start_main
+#21 0x00555a30fc8689 in _start
 END
 
   ARBITRARY_TEXT = <<END.freeze
@@ -603,6 +630,10 @@ def check_exception(exception, detects_end)
     check_multiline(detector, before_second_exc, after_exc, exception)
   end
 
+  def test_unity
+    check_exception(UNITY_ERR, true)
+  end
+
   def test_java
     check_exception(JAVA_EXC, false)
     check_exception(COMPLEX_JAVA_EXC, false)