diff --git a/DataSpec/DNACommon/DNACommon.hpp b/DataSpec/DNACommon/DNACommon.hpp
index 127db2c33..e3c493291 100644
--- a/DataSpec/DNACommon/DNACommon.hpp
+++ b/DataSpec/DNACommon/DNACommon.hpp
@@ -31,7 +31,7 @@ class UniqueID32 : public BigDNA
 public:
     Delete expl;
     inline void read(Athena::io::IStreamReader& reader)
-    {reader.readUint32();}
+    {m_id = reader.readUint32();}
     inline void write(Athena::io::IStreamWriter& writer) const
     {writer.writeUint32(m_id);}
 
@@ -53,7 +53,7 @@ class UniqueID64 : public BigDNA
 public:
     Delete expl;
     inline void read(Athena::io::IStreamReader& reader)
-    {reader.readUint64();}
+    {m_id = reader.readUint64();}
     inline void write(Athena::io::IStreamWriter& writer) const
     {writer.writeUint64(m_id);}
 
diff --git a/DataSpec/DNAMP1/MLVL.hpp b/DataSpec/DNAMP1/MLVL.hpp
index 38c716af2..457c540a0 100644
--- a/DataSpec/DNAMP1/MLVL.hpp
+++ b/DataSpec/DNAMP1/MLVL.hpp
@@ -45,7 +45,7 @@ struct MLVL : BigDNA
         {
             DECL_DNA
             UniqueID32 id;
-            HECL::FourCC type;
+            FourCC type;
         };
         Vector<Dependency, DNA_COUNT(depCount)> deps;
 
@@ -63,7 +63,6 @@ struct MLVL : BigDNA
                 Value<atUint32> areaIdx;
                 Value<atUint32> dockIdx;
             };
-            HECL::FourCC type;
             Vector<Endpoint, DNA_COUNT(endpointCount)> endpoints;
 
             Value<atUint32> planeVertCount;
@@ -71,6 +70,7 @@ struct MLVL : BigDNA
         };
         Vector<Dock, DNA_COUNT(dockCount)> docks;
     };
+    Vector<Area, DNA_COUNT(areaCount)> areas;
 
     UniqueID32 worldMap;
     Value<atUint8> unknown2;
diff --git a/DataSpec/DNAMP1/PAK.cpp b/DataSpec/DNAMP1/PAK.cpp
index a8394fffc..686a08e8a 100644
--- a/DataSpec/DNAMP1/PAK.cpp
+++ b/DataSpec/DNAMP1/PAK.cpp
@@ -34,6 +34,12 @@ void PAK::read(Athena::io::IStreamReader& reader)
         m_idMap[m_entries.back().id] = &m_entries.back();
     }
 
+    atUint32 realCount = 0;
+    for (Entry& entry : m_entries)
+    {
+        ++realCount;
+    }
+
     m_nameMap.clear();
     m_nameMap.reserve(nameCount);
     for (NameEntry& entry : m_nameEntries)
diff --git a/DataSpec/DNAMP1/PAK.hpp b/DataSpec/DNAMP1/PAK.hpp
index 94c80cd71..0fd223905 100644
--- a/DataSpec/DNAMP1/PAK.hpp
+++ b/DataSpec/DNAMP1/PAK.hpp
@@ -14,6 +14,8 @@ namespace DNAMP1
 class PAK : public BigDNA
 {
 public:
+    DECL_EXPLICIT_DNA
+
     struct NameEntry : public BigDNA
     {
         DECL_DNA
@@ -33,15 +35,11 @@ public:
         Value<atUint32> offset;
     };
 
-private:
     std::vector<NameEntry> m_nameEntries;
     std::vector<Entry> m_entries;
     std::unordered_map<UniqueID32, Entry*> m_idMap;
     std::unordered_map<std::string, Entry*> m_nameMap;
 
-public:
-    DECL_EXPLICIT_DNA
-
     inline const Entry* lookupEntry(const UniqueID32& id) const
     {
         std::unordered_map<UniqueID32, Entry*>::const_iterator result = m_idMap.find(id);
@@ -57,9 +55,6 @@ public:
             return result->second;
         return nullptr;
     }
-
-    inline std::vector<Entry>::iterator begin() {return m_entries.begin();}
-    inline std::vector<Entry>::iterator end() {return m_entries.end();}
 };
 
 }
diff --git a/DataSpec/DNAMP1/STRG.cpp b/DataSpec/DNAMP1/STRG.cpp
index b6ec8be4d..9f9baa7b6 100644
--- a/DataSpec/DNAMP1/STRG.cpp
+++ b/DataSpec/DNAMP1/STRG.cpp
@@ -15,6 +15,7 @@ const HECL::FourCC JAPNfcc("JAPN");
 
 void STRG::read(Athena::io::IStreamReader& reader)
 {
+    reader.setEndian(Athena::BigEndian);
     uint32_t magic = reader.readUint32();
     if (magic != 0x87654321)
         LogModule.report(LogVisor::FatalError, "invalid STRG magic");
@@ -46,6 +47,7 @@ void STRG::read(Athena::io::IStreamReader& reader)
 
 void STRG::write(Athena::io::IStreamWriter& writer) const
 {
+    writer.setEndian(Athena::BigEndian);
     writer.writeUint32(0x87654321);
     writer.writeUint32(version);
     writer.writeUint32(langs.size());
diff --git a/DataSpec/SpecMP1.cpp b/DataSpec/SpecMP1.cpp
index a663e3aa1..3538c1577 100644
--- a/DataSpec/SpecMP1.cpp
+++ b/DataSpec/SpecMP1.cpp
@@ -11,7 +11,13 @@ namespace Retro
 
 struct SpecMP1 : SpecBase
 {
-    std::vector<std::pair<std::string, DNAMP1::PAK>> m_paks;
+    struct DiscPAK
+    {
+        const NOD::DiscBase::IPartition::Node& node;
+        DNAMP1::PAK pak;
+        DiscPAK(const NOD::DiscBase::IPartition::Node& n) : node(n) {}
+    };
+    std::vector<DiscPAK> m_paks;
 
     bool checkFromGCNDisc(NOD::DiscGCN& disc,
                           const std::vector<const HECL::SystemString*>& args,
@@ -40,7 +46,7 @@ struct SpecMP1 : SpecBase
 
         NOD::DiscGCN::IPartition* partition = disc.getDataPartition();
         std::unique_ptr<uint8_t[]> dolBuf = partition->getDOLBuf();
-        const char* buildInfo = (char*)memmem(dolBuf.get(), partition->getDOLSize(), "MetroidBuildInfo", 16) + 16;
+        const char* buildInfo = (char*)memmem(dolBuf.get(), partition->getDOLSize(), "MetroidBuildInfo", 16) + 19;
 
         reps.emplace_back();
         ExtractReport& rep = reps.back();
@@ -50,8 +56,6 @@ struct SpecMP1 : SpecBase
             rep.desc += " (" + std::string(buildInfo) + ")";
 
         /* Iterate PAKs and build level options */
-        std::map<std::string, std::pair<const NOD::DiscBase::IPartition::Node*, DNAMP1::PAK*>,
-                CaseInsensitiveCompare> orderedPaks;
         NOD::DiscBase::IPartition::Node& root = disc.getDataPartition()->getFSTRoot();
         for (const NOD::DiscBase::IPartition::Node& child : root)
         {
@@ -100,35 +104,39 @@ struct SpecMP1 : SpecBase
 
                     if (good)
                     {
-                        m_paks.emplace_back(std::make_pair(name, DNAMP1::PAK()));
-                        std::pair<std::string, DNAMP1::PAK>& res = m_paks.back();
+                        m_paks.emplace_back(child);
                         NOD::AthenaPartReadStream rs(child.beginReadStream());
-                        res.second.read(rs);
-                        orderedPaks[name] = std::make_pair(&child, &res.second);
+                        m_paks.back().pak.read(rs);
                     }
                 }
             }
         }
 
-        for (std::pair<std::string, std::pair<const NOD::DiscBase::IPartition::Node*, DNAMP1::PAK*>> item : orderedPaks)
+        /* Sort PAKs alphabetically */
+        std::map<std::string, DiscPAK*, CaseInsensitiveCompare> orderedPaks;
+        for (DiscPAK& dpak : m_paks)
+            orderedPaks[dpak.node.getName()] = &dpak;
+
+        for (std::pair<std::string, DiscPAK*> item : orderedPaks)
         {
             rep.childOpts.emplace_back();
             ExtractReport& childRep = rep.childOpts.back();
             childRep.name = item.first;
 
-            for (DNAMP1::PAK::Entry& entry : *item.second.second)
+            DNAMP1::PAK& pak = item.second->pak;
+            for (DNAMP1::PAK::Entry& entry : pak.m_entries)
             {
                 static const HECL::FourCC MLVLfourcc("MLVL");
                 if (entry.type == MLVLfourcc)
                 {
-                    NOD::AthenaPartReadStream rs(item.second.first->beginReadStream(entry.offset));
+                    NOD::AthenaPartReadStream rs(item.second->node.beginReadStream(entry.offset));
                     DNAMP1::MLVL mlvl;
                     mlvl.read(rs);
-                    const DNAMP1::PAK::Entry* nameEnt = item.second.second->lookupEntry(mlvl.worldNameId);
+                    const DNAMP1::PAK::Entry* nameEnt = pak.lookupEntry(mlvl.worldNameId);
                     if (nameEnt)
                     {
                         DNAMP1::STRG mlvlName;
-                        rs.seek(nameEnt->offset, Athena::Begin);
+                        NOD::AthenaPartReadStream rs(item.second->node.beginReadStream(nameEnt->offset));
                         mlvlName.read(rs);
                         if (childRep.desc.size())
                             childRep.desc += _S(", ");
diff --git a/DataSpec/SpecMP2.cpp b/DataSpec/SpecMP2.cpp
index f17c1db50..991bcd01d 100644
--- a/DataSpec/SpecMP2.cpp
+++ b/DataSpec/SpecMP2.cpp
@@ -4,5 +4,5 @@ static HECL::Database::DataSpecEntry SpecMP2
 (
     _S("MP2"),
     _S("Data specification for original Metroid Prime 2 engine"),
-    [](HECL::Database::DataSpecTool tool) -> HECL::Database::IDataSpec* {}
+    [](HECL::Database::DataSpecTool tool) -> HECL::Database::IDataSpec* {return nullptr;}
 );
diff --git a/DataSpec/SpecMP3.cpp b/DataSpec/SpecMP3.cpp
index 754385817..5bf8199ed 100644
--- a/DataSpec/SpecMP3.cpp
+++ b/DataSpec/SpecMP3.cpp
@@ -4,6 +4,6 @@ static HECL::Database::DataSpecEntry SpecMP3
 (
     _S("MP3"),
     _S("Data specification for original Metroid Prime 3 engine"),
-    [](HECL::Database::DataSpecTool tool) -> HECL::Database::IDataSpec* {}
+    [](HECL::Database::DataSpecTool tool) -> HECL::Database::IDataSpec* {return nullptr;}
 );