diff --git a/include/MetroidPrime/CMemoryCard.hpp b/include/MetroidPrime/CMemoryCard.hpp
index 71cb2a8b..1fcf91c7 100644
--- a/include/MetroidPrime/CMemoryCard.hpp
+++ b/include/MetroidPrime/CMemoryCard.hpp
@@ -5,12 +5,7 @@
 
 #include "Kyoto/CObjectReference.hpp"
 #include "MetroidPrime/TGameTypes.hpp"
-
-class CWorldSaveGameInfo {
-  // TODO: move to it's own file
-public:
-  enum EScanCategory { kSC_None, kSC_Data, kSC_Lore, kSC_Creature, kSC_Research, kSC_Artifact };
-};
+#include "MetroidPrime/Player/CWorldSaveGameInfo.hpp"
 
 class CMemoryCard {
 public:
diff --git a/include/MetroidPrime/CWorld.hpp b/include/MetroidPrime/CWorld.hpp
index fa2a6e75..02f64d34 100644
--- a/include/MetroidPrime/CWorld.hpp
+++ b/include/MetroidPrime/CWorld.hpp
@@ -6,8 +6,8 @@
 #include "MetroidPrime/CGameArea.hpp"
 #include "MetroidPrime/TGameTypes.hpp"
 
-#include "Kyoto/IObjectStore.hpp"
 #include "Kyoto/Audio/CSfxHandle.hpp"
+#include "Kyoto/IObjectStore.hpp"
 
 #include "rstl/string.hpp"
 
@@ -37,6 +37,20 @@ class CSoundGroupData;
 class IDvdRequest;
 class IFactory;
 
+class CRelay {
+public:
+  const TEditorId& GetRelayId() const { return x0_relay; }
+  const TEditorId& GetTargetId() const { return x4_target; }
+  ushort GetMessage() const { return x8_msg; }
+  bool GetActive() const { return xa_active; }
+
+private:
+  TEditorId x0_relay;
+  TEditorId x4_target;
+  ushort x8_msg;
+  bool xa_active;
+};
+
 // TODO move?
 enum EEnvFxType {
   kEFX_None,
@@ -66,8 +80,10 @@ public:
   bool IsAreaValid(TAreaId id) const { return GetArea(id)->IsLoaded(); }
   CAssetId GetWorldAssetId() const { return x8_mlvlId; }
   TAreaId GetAreaIdForSaveId(int saveId) const;
+  const rstl::vector< CRelay >& GetRelays() const { return x2c_relays; }
 
-  static void PropogateAreaChain(CGameArea::EOcclusionState occlusionState, CGameArea* area, CWorld* world);
+  static void PropogateAreaChain(CGameArea::EOcclusionState occlusionState, CGameArea* area,
+                                 CWorld* world);
 
 private:
   enum Phase {
diff --git a/include/MetroidPrime/Player/CWorldSaveGameInfo.hpp b/include/MetroidPrime/Player/CWorldSaveGameInfo.hpp
new file mode 100644
index 00000000..15164d36
--- /dev/null
+++ b/include/MetroidPrime/Player/CWorldSaveGameInfo.hpp
@@ -0,0 +1,22 @@
+#ifndef _CWORLDSAVEGAMEINFO
+#define _CWORLDSAVEGAMEINFO
+
+#include "MetroidPrime/TGameTypes.hpp"
+
+#include "rstl/vector.hpp"
+
+class CWorldSaveGameInfo {
+public:
+  enum EScanCategory { kSC_None, kSC_Data, kSC_Lore, kSC_Creature, kSC_Research, kSC_Artifact };
+
+  int GetRelayIndex(const TEditorId&) const;
+  
+  const rstl::vector<TEditorId>& GetRelays() const { return x14_relays; }
+
+private:
+  uint x0_areaCount;
+  rstl::vector<TEditorId> x4_cinematics;
+  rstl::vector<TEditorId> x14_relays;
+};
+
+#endif // _CWORLDSAVEGAMEINFO
diff --git a/include/MetroidPrime/TGameTypes.hpp b/include/MetroidPrime/TGameTypes.hpp
index ed22b40d..4fff46a0 100644
--- a/include/MetroidPrime/TGameTypes.hpp
+++ b/include/MetroidPrime/TGameTypes.hpp
@@ -33,8 +33,8 @@ struct TEditorId {
   TEditorId(CInputStream& in);
   // TODO
   uint Value() const { return value & 0x3FFFFFF; }
-  uint Id() const { return value; }
-  uint AreaNum() const { return value; }
+  uint Id() const { return value & 0xffff; }
+  int AreaNum() const { return (value >> 16) & 0x3ff; }
 
   void PutTo(COutputStream&) const;
 
diff --git a/include/rstl/reserved_vector.hpp b/include/rstl/reserved_vector.hpp
index 19338482..ed733ce6 100644
--- a/include/rstl/reserved_vector.hpp
+++ b/include/rstl/reserved_vector.hpp
@@ -70,7 +70,17 @@ public:
   inline const T& back() const { return data()[x0_count - 1]; }
   inline T& operator[](int idx) { return data()[idx]; }
   inline const T& operator[](int idx) const { return data()[idx]; }
-  iterator erase(iterator it) {}
+  void erase(iterator it) {
+    if (it < begin()) {
+      return;
+    }
+    if (it < end()) {
+      for (iterator j = it; j < end() - 1; ++j) {
+        *j = *(j + 1);
+      }
+      --x0_count;
+    }
+  }
 };
 } // namespace rstl
 
diff --git a/src/MetroidPrime/CScriptMailbox.cpp b/src/MetroidPrime/CScriptMailbox.cpp
index 9321753b..ba31dbc1 100644
--- a/src/MetroidPrime/CScriptMailbox.cpp
+++ b/src/MetroidPrime/CScriptMailbox.cpp
@@ -1,18 +1,84 @@
 #include "MetroidPrime/CScriptMailbox.hpp"
 
+#include "MetroidPrime/CStateManager.hpp"
+#include "MetroidPrime/CWorld.hpp"
+#include "MetroidPrime/Player/CWorldSaveGameInfo.hpp"
+
 #include "Kyoto/Streams/CInputStream.hpp"
+#include "Kyoto/Streams/COutputStream.hpp"
 
 CScriptMailbox::CScriptMailbox() { CMemory::OffsetFakeStatics(sizeof(*this)); }
 
 CScriptMailbox::CScriptMailbox(CInputStream& in, const CWorldSaveGameInfo& world) {
+  rstl::vector< bool > relayStates(world.GetRelays().size(), false);
+  for (int i = 0; i < relayStates.size(); ++i) {
+    relayStates[i] = in.ReadBits(1);
+  }
+
+  for (int i = 0; i < relayStates.size(); ++i) {
+    if (relayStates[i]) {
+      TEditorId it = world.GetRelays()[i];
+      x0_relays.push_back(it);
+    }
+  }
+
   CMemory::OffsetFakeStatics(sizeof(*this));
 }
 
 CScriptMailbox::~CScriptMailbox() { CMemory::OffsetFakeStatics(-sizeof(*this)); }
 
-void CScriptMailbox::PutTo(COutputStream& out, CWorldSaveGameInfo& world) const {}
+void CScriptMailbox::PutTo(COutputStream& out, CWorldSaveGameInfo& world) const {
+  rstl::vector< bool > relayStates(world.GetRelays().size(), false);
 
-void CScriptMailbox::SendMsgs(const TAreaId& area, CStateManager& mgr) {}
+  for (rstl::reserved_vector< TEditorId, 512 >::const_iterator it = x0_relays.begin();
+       it != x0_relays.end(); ++it) {
+    TEditorId id = *it;
+    relayStates[world.GetRelayIndex(id)] = true;
+  }
+
+  for (int i = 0; i < relayStates.size(); ++i) {
+    out.WriteBits(relayStates[i] ? 1 : 0, 1);
+  }
+}
+
+void CScriptMailbox::SendMsgs(const TAreaId& areaId, CStateManager& mgr) {
+  CWorld* world = mgr.World();
+
+  if (world->GetRelays().size() <= 0) {
+    return;
+  }
+
+  bool hasActiveRelays = false;
+  for (rstl::vector< CRelay >::const_iterator it = world->GetRelays().begin();
+       it != world->GetRelays().end(); ++it) {
+
+    TEditorId targetId = it->GetTargetId();
+    if (targetId.AreaNum() != areaId.Value())
+      continue;
+
+    TEditorId relayId = it->GetRelayId();
+    if (HasMsg(relayId)) {
+      mgr.SendScriptMsg(kInvalidUniqueId, targetId, EScriptObjectMessage(it->GetMessage()), kSS_Any);
+      if (it->GetActive()) {
+        hasActiveRelays = true;
+      }
+    }
+  }
+
+  if (!hasActiveRelays)
+    return;
+
+  for (rstl::vector< CRelay >::const_iterator it = world->GetRelays().begin();
+       it != world->GetRelays().end(); ++it) {
+    if (it->GetTargetId().AreaNum() != areaId.Value())
+      continue;
+
+    TEditorId relayId = it->GetRelayId();
+    if (HasMsg(relayId) && it->GetActive()) {
+      RemoveMsg(relayId);
+    }
+  }
+}
 
 void CScriptMailbox::AddMsg(TEditorId id) {
   rstl::reserved_vector< TEditorId, 512 >::iterator iter = x0_relays.begin();
@@ -25,7 +91,15 @@ void CScriptMailbox::AddMsg(TEditorId id) {
   x0_relays.push_back(id);
 }
 
-void CScriptMailbox::RemoveMsg(TEditorId id) {}
+void CScriptMailbox::RemoveMsg(TEditorId id) {
+  rstl::reserved_vector< TEditorId, 512 >::iterator iter = x0_relays.begin();
+  for (; iter != x0_relays.end(); ++iter) {
+    if (*iter == id) {
+      x0_relays.erase(iter);
+      return;
+    }
+  }
+}
 
 bool CScriptMailbox::HasMsg(TEditorId id) const {
   rstl::reserved_vector< TEditorId, 512 >::const_iterator iter = x0_relays.begin();