diff --git a/LEGO1/lego/legoomni/src/worlds/infocenter.cpp b/LEGO1/lego/legoomni/src/worlds/infocenter.cpp
index 6b847211..b51011b5 100644
--- a/LEGO1/lego/legoomni/src/worlds/infocenter.cpp
+++ b/LEGO1/lego/legoomni/src/worlds/infocenter.cpp
@@ -2,6 +2,7 @@
 
 #include "act3.h"
 #include "credits_actions.h"
+#include "extensions/siloader.h"
 #include "helicopter.h"
 #include "infomain_actions.h"
 #include "intro_actions.h"
@@ -36,6 +37,8 @@ DECOMP_SIZE_ASSERT(Infocenter, 0x1d8)
 DECOMP_SIZE_ASSERT(InfocenterMapEntry, 0x18)
 DECOMP_SIZE_ASSERT(InfocenterState, 0x94)
 
+using namespace Extensions;
+
 // GLOBAL: LEGO1 0x100f76a0
 const char* g_object2x4red = "2x4red";
 
@@ -339,7 +342,8 @@ MxLong Infocenter::HandleEndAction(MxEndActionNotificationParam& p_param)
 
 	MxLong result = m_radio.Notify(p_param);
 
-	if (result || (action->GetAtomId() != m_atomId && action->GetAtomId() != *g_introScript)) {
+	if (result || (action->GetAtomId() != m_atomId && action->GetAtomId() != *g_introScript &&
+				   !Extension<SiLoader>::Call(ReplacedIn, *action, m_atomId, *g_introScript).value_or(false))) {
 		return result;
 	}
 
diff --git a/assets/badend/BadEnd_Smk.smk b/assets/badend/BadEnd_Smk.smk
new file mode 100644
index 00000000..401a7e6d
Binary files /dev/null and b/assets/badend/BadEnd_Smk.smk differ
diff --git a/assets/badend/BadEnd_Wav.wav b/assets/badend/BadEnd_Wav.wav
new file mode 100644
index 00000000..33d0d207
Binary files /dev/null and b/assets/badend/BadEnd_Wav.wav differ
diff --git a/assets/main.cpp b/assets/main.cpp
index ef269e97..3557d3e2 100644
--- a/assets/main.cpp
+++ b/assets/main.cpp
@@ -200,6 +200,71 @@ void CreateHDMusic()
 	si.Write(result.c_str());
 }
 
+void CreateBadEnd()
+{
+	std::string result = out + "/badend.si";
+
+	si::Interleaf si;
+	mxHd.seek(0, si::MemoryBuffer::SeekStart);
+	si.Read(&mxHd);
+
+	si::Object* composite = new si::Object;
+	std::string extra = "Replace:\\lego\\scripts\\intro:4";
+	composite->id_ = 0;
+	composite->type_ = si::MxOb::Presenter;
+	composite->flags_ = MxDSAction::c_enabled;
+	composite->duration_ = 0;
+	composite->loops_ = 1;
+	composite->extra_ = si::bytearray(extra.c_str(), extra.length() + 1);
+	composite->presenter_ = "MxCompositeMediaPresenter";
+	composite->name_ = "BadEnd_Movie";
+	si.AppendChild(composite);
+
+	si::Object* smk = new si::Object;
+	std::string file = std::string("badend/BadEnd_Smk.smk");
+	smk->id_ = 1;
+	smk->type_ = si::MxOb::Video;
+	smk->flags_ = MxDSAction::c_enabled;
+	smk->duration_ = 75100;
+	smk->loops_ = 1;
+	smk->presenter_ = "MxSmkPresenter";
+	smk->name_ = "BadEnd_Smk";
+	smk->filetype_ = si::MxOb::SMK;
+	smk->location_ = si::Vector3(0, 0, -10000);
+	smk->direction_ = si::Vector3(0, 0, 1);
+	smk->up_ = si::Vector3(0, 1, 0);
+	smk->unknown29_ = 1; // Palette management = yes
+	if (!smk->ReplaceWithFile(file.c_str())) {
+		abort();
+	}
+
+	composite->AppendChild(smk);
+	depfile << result << ": " << (std::filesystem::current_path() / file).string() << std::endl;
+
+	si::Object* wav = new si::Object;
+	file = std::string("badend/BadEnd_Wav.wav");
+	wav->id_ = 2;
+	wav->type_ = si::MxOb::Sound;
+	wav->flags_ = MxDSAction::c_enabled;
+	wav->duration_ = 77800;
+	wav->loops_ = 1;
+	wav->presenter_ = "MxWavePresenter";
+	wav->name_ = "BadEnd_Wav";
+	wav->filetype_ = si::MxOb::WAV;
+	wav->location_ = si::Vector3(0, 0, 0);
+	wav->direction_ = si::Vector3(0, 0, 1);
+	wav->up_ = si::Vector3(0, 1, 0);
+	wav->volume_ = 79;
+	if (!wav->ReplaceWithFile(file.c_str())) {
+		abort();
+	}
+
+	composite->AppendChild(wav);
+	depfile << result << ": " << (std::filesystem::current_path() / file).string() << std::endl;
+
+	si.Write(result.c_str());
+}
+
 int main(int argc, char* argv[])
 {
 	out = argv[1];
@@ -213,5 +278,6 @@ int main(int argc, char* argv[])
 
 	CreateWidescreen();
 	CreateHDMusic();
+	CreateBadEnd();
 	return 0;
 }
diff --git a/extensions/include/extensions/siloader.h b/extensions/include/extensions/siloader.h
index 3f50d08a..2a82bd3b 100644
--- a/extensions/include/extensions/siloader.h
+++ b/extensions/include/extensions/siloader.h
@@ -27,6 +27,9 @@ class SiLoader {
 	static std::optional<MxBool> HandleDelete(MxDSAction& p_action);
 	static MxBool HandleEndAction(MxEndActionNotificationParam& p_param);
 
+	template <typename... Args>
+	static bool ReplacedIn(MxDSAction& p_action, Args... p_args);
+
 	static std::map<std::string, std::string> options;
 	static std::vector<std::string> files;
 	static std::vector<std::string> directives;
@@ -47,12 +50,30 @@ class SiLoader {
 };
 
 #ifdef EXTENSIONS
+template <typename... Args>
+bool SiLoader::ReplacedIn(MxDSAction& p_action, Args... p_args)
+{
+	StreamObject object{p_action.GetAtomId(), p_action.GetObjectId()};
+	auto checkAtomId = [&p_action, &object](const auto& p_atomId) -> bool {
+		for (const auto& key : replace) {
+			if (key.second == object && key.first.first == p_atomId) {
+				return true;
+			}
+		}
+
+		return false;
+	};
+
+	return (checkAtomId(p_args) || ...);
+}
+
 constexpr auto Load = &SiLoader::Load;
 constexpr auto HandleFind = &SiLoader::HandleFind;
 constexpr auto HandleStart = &SiLoader::HandleStart;
 constexpr auto HandleRemove = &SiLoader::HandleRemove;
 constexpr auto HandleDelete = &SiLoader::HandleDelete;
 constexpr auto HandleEndAction = &SiLoader::HandleEndAction;
+constexpr auto ReplacedIn = [](auto&&... args) { return SiLoader::ReplacedIn(std::forward<decltype(args)>(args)...); };
 #else
 constexpr decltype(&SiLoader::Load) Load = nullptr;
 constexpr decltype(&SiLoader::HandleFind) HandleFind = nullptr;
@@ -60,5 +81,9 @@ constexpr decltype(&SiLoader::HandleStart) HandleStart = nullptr;
 constexpr decltype(&SiLoader::HandleRemove) HandleRemove = nullptr;
 constexpr decltype(&SiLoader::HandleDelete) HandleDelete = nullptr;
 constexpr decltype(&SiLoader::HandleEndAction) HandleEndAction = nullptr;
+constexpr auto ReplacedIn = [](auto&&... args) {
+	((void) args, ...);
+	return false;
+};
 #endif
 }; // namespace Extensions