diff --git a/douwco_hivemind/include/Engine.hpp b/douwco_hivemind/include/Engine.hpp
index b0ffd67..6a6bf6d 100644
--- a/douwco_hivemind/include/Engine.hpp
+++ b/douwco_hivemind/include/Engine.hpp
@@ -11,17 +11,26 @@
 
 namespace DouwcoHivemind {
 class Engine {
+private:
+static Engine* instance;
+
 public:
   std::map<std::string, std::unique_ptr<Room>> Rooms;
   std::map<std::string, std::unique_ptr<CreepBase>> Creeps;
   std::map<std::string, std::unique_ptr<StructureBase>> Structures;
 
 public:
+  // Static singleton access
+  static Engine* getInstance(){
+    return instance;
+  }
   // Readout data from screeps API into C++ vectors
   Engine();
   // Loop over all rooms, screeps and structures
   void loop();
 
+
+
 private:
   // Readout player owned rooms
   void ReadOutRooms();
diff --git a/douwco_hivemind/src/Engine.cpp b/douwco_hivemind/src/Engine.cpp
index 30baf9a..d848635 100644
--- a/douwco_hivemind/src/Engine.cpp
+++ b/douwco_hivemind/src/Engine.cpp
@@ -18,6 +18,7 @@
 #include "Structures/Tower.hpp"
 
 DouwcoHivemind::Engine::Engine() {
+  instance = this;
   JS::console.log(std::string("Reading out owned rooms"));
   ReadOutRooms();
   JS::console.log(std::string("Reading out creeps"));
diff --git a/douwco_hivemind/src/Loop.cpp b/douwco_hivemind/src/Loop.cpp
index a6252dd..0b6a44b 100644
--- a/douwco_hivemind/src/Loop.cpp
+++ b/douwco_hivemind/src/Loop.cpp
@@ -10,23 +10,24 @@
 #include "Structures/Spawn.hpp"
 
 EMSCRIPTEN_KEEPALIVE
-extern "C" void loop()
-{
-	Screeps::Context::update();
+extern "C" void loop() {
+  Screeps::Context::update();
 
-	JS::console.log(std::string("\n\n\n\n\n\n\n\n\n"));
-	JS::console.log(std::string("Processing tick:\t") + std::to_string(Screeps::Game.time()));
+  JS::console.log(std::string("\n\n\n\n\n\n\n\n\n"));
+  JS::console.log(std::string("Processing tick:\t") +
+                  std::to_string(Screeps::Game.time()));
 
-	{
-		DouwcoHivemind::Engine engine;
-		engine.loop();
-	}
+  {
+    DouwcoHivemind::Engine engine;
+    engine.loop();
 
-	JS::console.log("Used CPU:\t" + std::to_string(Screeps::Game.cpuGetUsed()));
-	JS::console.log("Bucket:\t" + std::to_string(static_cast<int>(Screeps::Game.cpu()["bucket"])));
+	auto test = &(DouwcoHivemind::Engine::getInstance()->Structures);
+    JS::console.log(std::string("test: ") + std::to_string(test->size()));
+  }
+
+  JS::console.log("Used CPU:\t" + std::to_string(Screeps::Game.cpuGetUsed()));
+  JS::console.log("Bucket:\t" + std::to_string(static_cast<int>(
+                                    Screeps::Game.cpu()["bucket"])));
 }
 
-EMSCRIPTEN_BINDINGS(loop)
-{
-	emscripten::function("loop", &loop);
-}
+EMSCRIPTEN_BINDINGS(loop) { emscripten::function("loop", &loop); }
diff --git a/douwco_hivemind/src/Structures/Tower.cpp b/douwco_hivemind/src/Structures/Tower.cpp
index d9f261f..252f1c3 100644
--- a/douwco_hivemind/src/Structures/Tower.cpp
+++ b/douwco_hivemind/src/Structures/Tower.cpp
@@ -1,8 +1,10 @@
 #include <Screeps/Game.hpp>
 #include <Screeps/Room.hpp>
 #include <cstdint>
+#include <string>
 
 #include "Creeps/CreepBase.hpp"
+#include "Engine.hpp"
 #include "Screeps/Constants.hpp"
 #include "Screeps/Creep.hpp"
 #include "Structures/Tower.hpp"