diff --git a/LEGO1/lego/legoomni/src/actors/ambulance.cpp b/LEGO1/lego/legoomni/src/actors/ambulance.cpp
index c2234f0a..a3f438f4 100644
--- a/LEGO1/lego/legoomni/src/actors/ambulance.cpp
+++ b/LEGO1/lego/legoomni/src/actors/ambulance.cpp
@@ -646,33 +646,34 @@ AmbulanceMissionState::AmbulanceMissionState()
 }
 
 // FUNCTION: LEGO1 0x10037440
+// FUNCTION: BETA10 0x10024480
 MxResult AmbulanceMissionState::Serialize(LegoFile* p_file)
 {
 	LegoState::Serialize(p_file);
 
 	if (p_file->IsReadMode()) {
-		Read(p_file, &m_peScore);
-		Read(p_file, &m_maScore);
-		Read(p_file, &m_paScore);
-		Read(p_file, &m_niScore);
-		Read(p_file, &m_laScore);
-		Read(p_file, &m_peHighScore);
-		Read(p_file, &m_maHighScore);
-		Read(p_file, &m_paHighScore);
-		Read(p_file, &m_niHighScore);
-		Read(p_file, &m_laHighScore);
+		p_file->Read(m_peScore);
+		p_file->Read(m_maScore);
+		p_file->Read(m_paScore);
+		p_file->Read(m_niScore);
+		p_file->Read(m_laScore);
+		p_file->Read(m_peHighScore);
+		p_file->Read(m_maHighScore);
+		p_file->Read(m_paHighScore);
+		p_file->Read(m_niHighScore);
+		p_file->Read(m_laHighScore);
 	}
 	else if (p_file->IsWriteMode()) {
-		Write(p_file, m_peScore);
-		Write(p_file, m_maScore);
-		Write(p_file, m_paScore);
-		Write(p_file, m_niScore);
-		Write(p_file, m_laScore);
-		Write(p_file, m_peHighScore);
-		Write(p_file, m_maHighScore);
-		Write(p_file, m_paHighScore);
-		Write(p_file, m_niHighScore);
-		Write(p_file, m_laHighScore);
+		p_file->Write(m_peScore);
+		p_file->Write(m_maScore);
+		p_file->Write(m_paScore);
+		p_file->Write(m_niScore);
+		p_file->Write(m_laScore);
+		p_file->Write(m_peHighScore);
+		p_file->Write(m_maHighScore);
+		p_file->Write(m_paHighScore);
+		p_file->Write(m_niHighScore);
+		p_file->Write(m_laHighScore);
 	}
 
 	return SUCCESS;
diff --git a/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp b/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
index a5f69123..b51d814b 100644
--- a/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
+++ b/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
@@ -2937,67 +2937,75 @@ void AnimState::InitFromAnims(MxU32 p_animsLength, AnimInfo* p_anims, MxU32 p_ex
 // FUNCTION: BETA10 0x10046621
 MxResult AnimState::Serialize(LegoFile* p_file)
 {
-	// These two are equivalent up to the order of some deallocation.
-	// Choose as needed to get 100 %.
-	// Option 1:
-	// LegoState::Serialize(p_file);
-	// Option 2:
-	if (p_file->IsWriteMode()) {
-		p_file->Write(MxString(ClassName()));
-	}
+	MxResult result = LegoState::Serialize(p_file);
 
-	if (p_file->IsReadMode()) {
-		Read(p_file, &m_extraCharacterId);
+	if (result == SUCCESS) {
+		if (p_file->IsReadMode()) {
+			MxS32 i;
 
-		if (m_unk0x10) {
-			delete[] m_unk0x10;
-		}
+			p_file->Read(m_extraCharacterId);
 
-		Read(p_file, &m_unk0x0c);
-		if (m_unk0x0c != 0) {
+			if (m_unk0x10) {
+				delete[] m_unk0x10;
+			}
+
+			p_file->Read(m_unk0x0c);
+
+#ifndef BETA10
+			if (m_unk0x0c != 0) {
+				m_unk0x10 = new MxU16[m_unk0x0c];
+			}
+			else {
+				m_unk0x10 = NULL;
+			}
+#else
 			m_unk0x10 = new MxU16[m_unk0x0c];
-		}
-		else {
-			m_unk0x10 = NULL;
-		}
+#endif
 
-		for (MxS32 i = 0; i < m_unk0x0c; i++) {
-			Read(p_file, &m_unk0x10[i]);
-		}
+			for (i = 0; i < m_unk0x0c; i++) {
+				p_file->Read(m_unk0x10[i]);
+			}
 
-		// Note that here we read first and then free memory in contrast to above
-		Read(p_file, &m_locationsFlagsLength);
+			// Note that here we read first and then free memory in contrast to above
+			p_file->Read(m_locationsFlagsLength);
 
-		if (m_locationsFlags) {
-			delete[] m_locationsFlags;
-		}
+#ifndef BETA10
+			if (m_locationsFlags) {
+				delete[] m_locationsFlags;
+			}
 
-		if (m_locationsFlagsLength != 0) {
+			if (m_locationsFlagsLength != 0) {
+				m_locationsFlags = new MxBool[m_locationsFlagsLength];
+			}
+			else {
+				m_locationsFlags = NULL;
+			}
+#else
 			m_locationsFlags = new MxBool[m_locationsFlagsLength];
-		}
-		else {
-			m_locationsFlags = NULL;
-		}
+#endif
 
-		for (MxS32 j = 0; j < m_locationsFlagsLength; j++) {
-			Read(p_file, &m_locationsFlags[j]);
+			for (i = 0; i < m_locationsFlagsLength; i++) {
+				p_file->Read(m_locationsFlags[i]);
+			}
 		}
-	}
-	else if (p_file->IsWriteMode()) {
-		Write(p_file, m_extraCharacterId);
+		else if (p_file->IsWriteMode()) {
+			MxS32 i;
 
-		Write(p_file, m_unk0x0c);
-		for (MxS32 i = 0; i < m_unk0x0c; i++) {
-			Write(p_file, m_unk0x10[i]);
-		}
+			p_file->Write(m_extraCharacterId);
+			p_file->Write(m_unk0x0c);
 
-		Write(p_file, m_locationsFlagsLength);
-		for (MxS32 j = 0; j < m_locationsFlagsLength; j++) {
-			Write(p_file, m_locationsFlags[j]);
+			for (i = 0; i < m_unk0x0c; i++) {
+				p_file->Write(m_unk0x10[i]);
+			}
+
+			p_file->Write(m_locationsFlagsLength);
+			for (i = 0; i < m_locationsFlagsLength; i++) {
+				p_file->Write(m_locationsFlags[i]);
+			}
 		}
 	}
 
-	return SUCCESS;
+	return result;
 }
 
 // FUNCTION: LEGO1 0x100654f0
diff --git a/LEGO1/lego/legoomni/src/worlds/gasstation.cpp b/LEGO1/lego/legoomni/src/worlds/gasstation.cpp
index 77e7da06..34981d64 100644
--- a/LEGO1/lego/legoomni/src/worlds/gasstation.cpp
+++ b/LEGO1/lego/legoomni/src/worlds/gasstation.cpp
@@ -513,18 +513,18 @@ MxResult GasStationState::Serialize(LegoFile* p_file)
 	LegoState::Serialize(p_file);
 
 	if (p_file->IsWriteMode()) {
-		Write(p_file, m_pepperAction);
-		Write(p_file, m_mamaAction);
-		Write(p_file, m_papaAction);
-		Write(p_file, m_nickAction);
-		Write(p_file, m_lauraAction);
+		p_file->Write(m_pepperAction);
+		p_file->Write(m_mamaAction);
+		p_file->Write(m_papaAction);
+		p_file->Write(m_nickAction);
+		p_file->Write(m_lauraAction);
 	}
 	else if (p_file->IsReadMode()) {
-		Read(p_file, &m_pepperAction);
-		Read(p_file, &m_mamaAction);
-		Read(p_file, &m_papaAction);
-		Read(p_file, &m_nickAction);
-		Read(p_file, &m_lauraAction);
+		p_file->Read(m_pepperAction);
+		p_file->Read(m_mamaAction);
+		p_file->Read(m_papaAction);
+		p_file->Read(m_nickAction);
+		p_file->Read(m_lauraAction);
 	}
 
 	return SUCCESS;
diff --git a/LEGO1/lego/legoomni/src/worlds/hospital.cpp b/LEGO1/lego/legoomni/src/worlds/hospital.cpp
index cfec6955..2f5f915e 100644
--- a/LEGO1/lego/legoomni/src/worlds/hospital.cpp
+++ b/LEGO1/lego/legoomni/src/worlds/hospital.cpp
@@ -694,25 +694,26 @@ HospitalState::HospitalState()
 }
 
 // FUNCTION: LEGO1 0x10076530
+// FUNCTION: BETA10 0x1002db26
 MxResult HospitalState::Serialize(LegoFile* p_file)
 {
 	LegoState::Serialize(p_file);
 
 	if (p_file->IsWriteMode()) {
-		Write(p_file, m_unk0x0c);
-		Write(p_file, m_unk0x0e);
-		Write(p_file, m_unk0x10);
-		Write(p_file, m_unk0x12);
-		Write(p_file, m_unk0x14);
-		Write(p_file, m_unk0x16);
+		p_file->Write(m_unk0x0c);
+		p_file->Write(m_unk0x0e);
+		p_file->Write(m_unk0x10);
+		p_file->Write(m_unk0x12);
+		p_file->Write(m_unk0x14);
+		p_file->Write(m_unk0x16);
 	}
 	else if (p_file->IsReadMode()) {
-		Read(p_file, &m_unk0x0c);
-		Read(p_file, &m_unk0x0e);
-		Read(p_file, &m_unk0x10);
-		Read(p_file, &m_unk0x12);
-		Read(p_file, &m_unk0x14);
-		Read(p_file, &m_unk0x16);
+		p_file->Read(m_unk0x0c);
+		p_file->Read(m_unk0x0e);
+		p_file->Read(m_unk0x10);
+		p_file->Read(m_unk0x12);
+		p_file->Read(m_unk0x14);
+		p_file->Read(m_unk0x16);
 	}
 
 	return SUCCESS;
diff --git a/LEGO1/lego/sources/misc/legostorage.h b/LEGO1/lego/sources/misc/legostorage.h
index bb02cce1..74aa6b22 100644
--- a/LEGO1/lego/sources/misc/legostorage.h
+++ b/LEGO1/lego/sources/misc/legostorage.h
@@ -132,13 +132,6 @@ public:
 		return this;
 	}
 
-	// FUNCTION: BETA10 0x10024680
-	LegoStorage* Read(LegoS16& p_data)
-	{
-		Read(&p_data, sizeof(p_data));
-		return this;
-	}
-
 	// FUNCTION: LEGO1 0x10006030
 	// FUNCTION: BETA10 0x10017bb0
 	LegoStorage* Write(MxString p_data)
@@ -156,6 +149,13 @@ public:
 		return this;
 	}
 
+	// FUNCTION: BETA10 0x1004b0d0
+	LegoStorage* Write(LegoU8 p_data)
+	{
+		Write(&p_data, sizeof(p_data));
+		return this;
+	}
+
 	// FUNCTION: BETA10 0x10017ce0
 	LegoStorage* Write(LegoS16 p_data)
 	{
@@ -163,6 +163,50 @@ public:
 		return this;
 	}
 
+	// FUNCTION: BETA10 0x1004b110
+	LegoStorage* Write(LegoU16 p_data)
+	{
+		Write(&p_data, sizeof(p_data));
+		return this;
+	}
+
+	// TODO: Type might be different (LegoU32). MxU32 is incompatible with LegoU32.
+	// FUNCTION: BETA10 0x1004b150
+	LegoStorage* Write(MxU32 p_data)
+	{
+		Write(&p_data, sizeof(p_data));
+		return this;
+	}
+
+	// FUNCTION: BETA10 0x1004b190
+	LegoStorage* Read(LegoU8& p_data)
+	{
+		Read(&p_data, sizeof(p_data));
+		return this;
+	}
+
+	// FUNCTION: BETA10 0x10024680
+	LegoStorage* Read(LegoS16& p_data)
+	{
+		Read(&p_data, sizeof(p_data));
+		return this;
+	}
+
+	// FUNCTION: BETA10 0x1004b1d0
+	LegoStorage* Read(LegoU16& p_data)
+	{
+		Read(&p_data, sizeof(p_data));
+		return this;
+	}
+
+	// TODO: Type might be different (LegoU32). MxU32 is incompatible with LegoU32.
+	// FUNCTION: BETA10 0x1004b210
+	LegoStorage* Read(MxU32& p_data)
+	{
+		Read(&p_data, sizeof(p_data));
+		return this;
+	}
+
 	// SYNTHETIC: LEGO1 0x10099230
 	// LegoFile::`scalar deleting destructor'