diff --git a/Runtime/AutoMapper/CMapWorldInfo.cpp b/Runtime/AutoMapper/CMapWorldInfo.cpp
index 14b963d37..3f5ed0c3e 100644
--- a/Runtime/AutoMapper/CMapWorldInfo.cpp
+++ b/Runtime/AutoMapper/CMapWorldInfo.cpp
@@ -19,6 +19,11 @@ CMapWorldInfo::CMapWorldInfo(CBitStreamReader& reader, const CSaveWorld& saveWor
 
 }
 
+void CMapWorldInfo::PutTo(CBitStreamWriter& writer, const CSaveWorld& savw) const
+{
+
+}
+
 void CMapWorldInfo::SetDoorVisited(TEditorId eid, bool visited)
 {
     x14_[eid] = visited;
diff --git a/Runtime/AutoMapper/CMapWorldInfo.hpp b/Runtime/AutoMapper/CMapWorldInfo.hpp
index 3442b5514..16b4dee7e 100644
--- a/Runtime/AutoMapper/CMapWorldInfo.hpp
+++ b/Runtime/AutoMapper/CMapWorldInfo.hpp
@@ -15,7 +15,7 @@ class CMapWorldInfo
 public:
     CMapWorldInfo()=default;
     CMapWorldInfo(CBitStreamReader&, const CSaveWorld& saveWorld, ResId mlvlId);
-    void PutTo(COutputStream&);
+    void PutTo(CBitStreamWriter& writer, const CSaveWorld& savw) const;
     bool IsMapped() const;
     void SetIsMapped(bool) const;
     void SetDoorVisited(TEditorId eid, bool val);
diff --git a/Runtime/CBasics.hpp b/Runtime/CBasics.hpp
index 673e0d9b0..02007dd8f 100644
--- a/Runtime/CBasics.hpp
+++ b/Runtime/CBasics.hpp
@@ -3,17 +3,26 @@
 
 #include <stdint.h>
 #include <stdlib.h>
+#include <chrono>
 
 #include "RetroTypes.hpp"
 
 namespace urde
 {
 
+using OSTime = s64;
+
 class CBasics
 {
 public:
     static void Init();
     static const char* Stringize(const char* fmt, ...);
+
+    static const u64 SECONDS_TO_2000;
+    static const u64 TICKS_PER_SECOND;
+
+    static OSTime ToWiiTime(std::chrono::system_clock::time_point time);
+    static std::chrono::system_clock::time_point FromWiiTime(OSTime wiiTime);
 };
 
 }
diff --git a/Runtime/CBasicsPC.cpp b/Runtime/CBasicsPC.cpp
index 521debcbf..c7127df94 100644
--- a/Runtime/CBasicsPC.cpp
+++ b/Runtime/CBasicsPC.cpp
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdarg.h>
+#include <time.h>
 
 #include "CBasics.hpp"
 
@@ -20,4 +21,42 @@ const char* CBasics::Stringize(const char* fmt, ...)
     return STRINGIZE_STR;
 }
 
+const u64 CBasics::SECONDS_TO_2000 = 946684800LL;
+const u64 CBasics::TICKS_PER_SECOND = 60750000LL;
+
+OSTime CBasics::ToWiiTime(std::chrono::system_clock::time_point time)
+{
+    time_t sysTime, tzDiff;
+    struct tm* gmTime;
+
+    sysTime = std::chrono::system_clock::to_time_t(time);
+    // Account for DST where needed
+    gmTime = localtime(&sysTime);
+    if (!gmTime)
+        return 0;
+
+    // Lazy way to get local time in sec
+    gmTime = gmtime(&sysTime);
+    tzDiff = sysTime - mktime(gmTime);
+
+    return OSTime(TICKS_PER_SECOND * ((sysTime + tzDiff) - SECONDS_TO_2000));
+}
+
+std::chrono::system_clock::time_point CBasics::FromWiiTime(OSTime wiiTime)
+{
+    time_t time = SECONDS_TO_2000 + wiiTime / TICKS_PER_SECOND;
+
+    time_t sysTime = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
+    // Account for DST where needed
+    struct tm* gmTime = localtime(&sysTime);
+    if (!gmTime)
+        return std::chrono::system_clock::from_time_t(0);
+
+    // Lazy way to get local time in sec
+    gmTime = gmtime(&sysTime);
+    time_t tzDiff = sysTime - mktime(gmTime);
+
+    return std::chrono::system_clock::from_time_t(time - tzDiff);
+}
+
 }
diff --git a/Runtime/CGameOptions.cpp b/Runtime/CGameOptions.cpp
index af1b04904..11c637965 100644
--- a/Runtime/CGameOptions.cpp
+++ b/Runtime/CGameOptions.cpp
@@ -91,6 +91,29 @@ CGameOptions::CGameOptions(CBitStreamReader& stream)
     x68_27_ = stream.ReadEncoded(1);
 }
 
+void CGameOptions::PutTo(CBitStreamWriter& writer) const
+{
+    for (int b=0 ; b<64 ; ++b)
+        writer.WriteEncoded(x0_[b], 1);
+
+    writer.WriteEncoded(u32(x44_soundMode), 2);
+    writer.WriteEncoded(x48_, 4);
+
+    writer.WriteEncoded(x4c_, 6);
+    writer.WriteEncoded(x50_, 6);
+    writer.WriteEncoded(x54_, 5);
+    writer.WriteEncoded(x58_, 7);
+    writer.WriteEncoded(x5c_, 7);
+    writer.WriteEncoded(x60_, 8);
+    writer.WriteEncoded(x64_, 8);
+
+    writer.WriteEncoded(x68_24_, 1);
+    writer.WriteEncoded(x68_28_, 1);
+    writer.WriteEncoded(x68_25_, 1);
+    writer.WriteEncoded(x68_26_, 1);
+    writer.WriteEncoded(x68_27_, 1);
+}
+
 CGameOptions::CGameOptions()
 {
     x68_24_ = true;
@@ -126,4 +149,13 @@ CHintOptions::CHintOptions(CBitStreamReader& stream)
     }
 }
 
+void CHintOptions::PutTo(CBitStreamWriter& writer) const
+{
+    for (const SHintState& hint : x0_hintStates)
+    {
+        writer.WriteEncoded(u32(hint.x0_state), 2);
+        writer.WriteEncoded(reinterpret_cast<const u32&>(hint.x4_time), 32);
+    }
+}
+
 }
diff --git a/Runtime/CGameOptions.hpp b/Runtime/CGameOptions.hpp
index 696f98f32..be2eae24b 100644
--- a/Runtime/CGameOptions.hpp
+++ b/Runtime/CGameOptions.hpp
@@ -86,6 +86,7 @@ public:
     CGameOptions();
     CGameOptions(CBitStreamReader& stream);
     void InitSoundMode();
+    void PutTo(CBitStreamWriter& writer) const;
 };
 
 class CHintOptions
@@ -113,6 +114,7 @@ private:
 public:
     CHintOptions() = default;
     CHintOptions(CBitStreamReader& stream);
+    void PutTo(CBitStreamWriter& writer) const;
 };
 
 }
diff --git a/Runtime/CGameState.cpp b/Runtime/CGameState.cpp
index 1726ea77e..4ddda5024 100644
--- a/Runtime/CGameState.cpp
+++ b/Runtime/CGameState.cpp
@@ -24,6 +24,22 @@ CWorldLayerState::CWorldLayerState(CBitStreamReader& reader, const CSaveWorld& s
     }
 }
 
+void CWorldLayerState::PutTo(CBitStreamWriter& writer) const
+{
+    u32 totalLayerCount = 0;
+    for (int i=0 ; i<x0_areaLayers.size() ; ++i)
+        totalLayerCount += GetAreaLayerCount(i) - 1;
+
+    writer.WriteEncoded(totalLayerCount, 10);
+
+    for (int i=0 ; i<x0_areaLayers.size() ; ++i)
+    {
+        u32 count = GetAreaLayerCount(i);
+        for (u32 l=1 ; l<count ; ++l)
+            writer.WriteEncoded(IsLayerActive(i, l), 1);
+    }
+}
+
 void CWorldLayerState::InitializeWorldLayers(const std::vector<CWorldLayers::Area>& layers)
 {
     if (x0_areaLayers.size())
@@ -63,6 +79,15 @@ CWorldState::CWorldState(CBitStreamReader& reader, ResId mlvlId, const CSaveWorl
     x14_layerState = std::make_shared<CWorldLayerState>(reader, saveWorld);
 }
 
+void CWorldState::PutTo(CBitStreamWriter& writer, const CSaveWorld& savw) const
+{
+    writer.WriteEncoded(x4_areaId, 32);
+    writer.WriteEncoded(x10_, 32);
+    x8_relayTracker->PutTo(writer, savw);
+    xc_mapWorldInfo->PutTo(writer, savw);
+    x14_layerState->PutTo(writer);
+}
+
 CGameState::CGameState()
 {
     x98_playerState.reset(new CPlayerState());
@@ -75,17 +100,26 @@ CGameState::CGameState(CBitStreamReader& stream)
     x228_25_deferPowerupInit = true;
 
     for (u32 i = 0; i < 128; i++)
-        stream.ReadEncoded(8);
-    u32 tmp = stream.ReadEncoded(32);
-    float val1 = reinterpret_cast<float&>(tmp);
-    bool val2 = stream.ReadEncoded(1);
-    stream.ReadEncoded(1);
-    tmp = stream.ReadEncoded(32);
-    float val3 = reinterpret_cast<float&>(tmp);
-    tmp = stream.ReadEncoded(32);
-    float val4 = reinterpret_cast<float&>(tmp);
-    tmp = stream.ReadEncoded(32);
-    float val5 = reinterpret_cast<float&>(tmp);
+        x0_[i] = stream.ReadEncoded(8);
+    u32 tsSeconds = stream.ReadEncoded(32);
+
+    x228_24_ = stream.ReadEncoded(1);
+    x228_25_deferPowerupInit = stream.ReadEncoded(1);
+    x84_mlvlId = stream.ReadEncoded(32);
+    EnsureWorldPakReady(x84_mlvlId);
+
+    union BitsToDouble
+    {
+        struct
+        {
+            u32 low;
+            u32 high;
+        };
+        double doub;
+    } conv;
+    conv.low = stream.ReadEncoded(32);
+    conv.high = stream.ReadEncoded(32);
+    xa0_playTime = conv.doub;
 
     x98_playerState = std::make_shared<CPlayerState>(stream);
     float currentHealth = x98_playerState->GetHealthInfo().GetHP();
@@ -103,8 +137,54 @@ CGameState::CGameState(CBitStreamReader& stream)
     }
 }
 
-void CGameState::SetCurrentWorldId(unsigned int id)
+
+void CGameState::PutTo(CBitStreamWriter& writer) const
 {
+    for (u32 i = 0; i < 128; i++)
+        writer.WriteEncoded(x0_[i], 8);
+
+    writer.WriteEncoded(CBasics::ToWiiTime(std::chrono::system_clock::now()) / CBasics::TICKS_PER_SECOND, 32);
+    writer.WriteEncoded(x228_24_, 1);
+    writer.WriteEncoded(x228_25_deferPowerupInit, 1);
+    writer.WriteEncoded(x84_mlvlId, 32);
+
+    union BitsToDouble
+    {
+        struct
+        {
+            u32 low;
+            u32 high;
+        };
+        double doub;
+    } conv;
+    conv.doub = xa0_playTime;
+    writer.WriteEncoded(conv.low, 32);
+    writer.WriteEncoded(conv.high, 32);
+
+    x98_playerState->PutTo(writer);
+    x17c_gameOptions.PutTo(writer);
+    x1f8_hintOptions.PutTo(writer);
+
+    const auto& memWorlds = g_MemoryCardSys->GetMemoryWorlds();
+    for (const auto& memWorld : memWorlds)
+    {
+        TLockedToken<CSaveWorld> saveWorld =
+            g_SimplePool->GetObj(SObjectTag{FOURCC('SAVW'), memWorld.second.GetSaveWorldAssetId()});
+        const CWorldState& wld = const_cast<CGameState&>(*this).StateForWorld(memWorld.first);
+        wld.PutTo(writer, *saveWorld);
+    }
+}
+
+void CGameState::EnsureWorldPakReady(ResId mlvl)
+{
+    /* TODO: Schedule resource list load for World Pak containing mlvl */
+}
+
+void CGameState::SetCurrentWorldId(ResId id)
+{
+    StateForWorld(id);
+    x84_mlvlId = id;
+    EnsureWorldPakReady(x84_mlvlId);
 }
 
 void CGameState::SetTotalPlayTime(float time)
diff --git a/Runtime/CGameState.hpp b/Runtime/CGameState.hpp
index 545238f49..5655a902e 100644
--- a/Runtime/CGameState.hpp
+++ b/Runtime/CGameState.hpp
@@ -38,6 +38,13 @@ public:
     }
 
     void InitializeWorldLayers(const std::vector<CWorldLayers::Area>& layers);
+
+    u32 GetAreaLayerCount(int areaIdx) const
+    {
+        return x0_areaLayers[areaIdx].m_layerCount;
+    }
+
+    void PutTo(CBitStreamWriter& writer) const;
 };
 
 class CWorldState
@@ -57,6 +64,7 @@ public:
     const std::shared_ptr<CRelayTracker>& RelayTracker() const { return x8_relayTracker; }
     const std::shared_ptr<CMapWorldInfo>& MapWorldInfo() const { return xc_mapWorldInfo; }
     const std::shared_ptr<CWorldLayerState>& GetLayerState() const { return x14_layerState; }
+    void PutTo(CBitStreamWriter& writer, const CSaveWorld& savw) const;
 };
 
 class CGameState
@@ -83,10 +91,12 @@ class CGameState
         u8 _dummy = 0;
     };
 
+    static void EnsureWorldPakReady(ResId mlvl);
+
 public:
     CGameState();
     CGameState(CBitStreamReader& stream);
-    void SetCurrentWorldId(unsigned int id);
+    void SetCurrentWorldId(ResId id);
     std::shared_ptr<CPlayerState> GetPlayerState() {return x98_playerState;}
     std::shared_ptr<CWorldTransManager> GetWorldTransitionManager() {return x9c_transManager;}
     void SetTotalPlayTime(float time);
@@ -95,6 +105,7 @@ public:
     CWorldState& StateForWorld(ResId mlvlId);
     CWorldState& CurrentWorldState() { return StateForWorld(x84_mlvlId); }
     ResId CurrentWorldAssetId() const { return x84_mlvlId; }
+    void PutTo(CBitStreamWriter& writer) const;
 };
 
 }
diff --git a/Runtime/CStateManager.hpp b/Runtime/CStateManager.hpp
index 4923ad481..a61f14dc1 100644
--- a/Runtime/CStateManager.hpp
+++ b/Runtime/CStateManager.hpp
@@ -291,8 +291,6 @@ public:
     const std::shared_ptr<CMapWorldInfo>& MapWorldInfo() const { return x8c0_mapWorldInfo; }
     const std::shared_ptr<CWorldLayerState>& LayerState() const { return x8c8_worldLayerState; }
 
-    bool IsLayerActive(TAreaId area, int layerIdx) { return false; }
-
     CPlayer& GetPlayer() const { return *x84c_player; }
     CPlayer* Player() const { return x84c_player.get(); }
 
diff --git a/Runtime/World/CGameArea.cpp b/Runtime/World/CGameArea.cpp
index a8fbedeb7..a44054f84 100644
--- a/Runtime/World/CGameArea.cpp
+++ b/Runtime/World/CGameArea.cpp
@@ -4,6 +4,7 @@
 #include "CSimplePool.hpp"
 #include "CStateManager.hpp"
 #include "World/CScriptAreaAttributes.hpp"
+#include "CGameState.hpp"
 
 namespace urde
 {
@@ -841,7 +842,7 @@ void CGameArea::VerifyTokenList(CStateManager& stateMgr)
     int lidx = 0;
     for (u32 off : xbc_layerDepOffsets)
     {
-        if (stateMgr.IsLayerActive(x4_selfIdx, lidx))
+        if (stateMgr.LayerState()->IsLayerActive(x4_selfIdx, lidx))
         {
             auto it = xac_deps2.begin() + lastOff;
             auto end = xac_deps2.begin() + off;