diff --git a/src/tunnels_game_state.cpp b/src/tunnels_game_state.cpp
new file mode 100644
index 0000000..c81a3a7
--- /dev/null
+++ b/src/tunnels_game_state.cpp
@@ -0,0 +1,38 @@
+#include "tunnels_game_state.hpp"
+#include "character_data.hpp"
+#include "utils/godot_macros.h"
+#include <godot_cpp/variant/array.hpp>
+
+namespace godot {
+void TunnelsGameState::_bind_methods() {
+#define CLASSNAME TunnelsGameState
+    GDPROPERTY_HINTED(weapons, Variant::ARRAY, PROPERTY_HINT_ARRAY_TYPE, GDRESOURCETYPE(WeaponData));
+    GDPROPERTY_HINTED(characters, Variant::ARRAY, PROPERTY_HINT_ARRAY_TYPE, GDRESOURCETYPE(CharacterData));
+}
+
+void TunnelsGameState::set_weapons(Array weapons) {
+    this->weapons.clear();
+    for(size_t i = 0; i < weapons.size(); ++i)
+        this->weapons.push_back(weapons[i]);
+}
+
+Array TunnelsGameState::get_weapons() const {
+    Array array{};
+    for(Ref<WeaponData> weapon : this->weapons)
+        array.push_back(weapon);
+    return array;
+}
+
+void TunnelsGameState::set_characters(Array characters) {
+    this->characters.clear();
+    for(size_t i = 0; i < characters.size(); ++i)
+        this->characters.push_back(characters[i]);
+}
+
+Array TunnelsGameState::get_characters() const {
+    Array array{};
+    for(Ref<CharacterData> character : this->characters)
+        array.push_back(character);
+    return array;
+}
+}
diff --git a/src/tunnels_game_state.hpp b/src/tunnels_game_state.hpp
new file mode 100644
index 0000000..54c7bb7
--- /dev/null
+++ b/src/tunnels_game_state.hpp
@@ -0,0 +1,24 @@
+#ifndef TUNNELS_GAME_STATE_HPP
+#define TUNNELS_GAME_STATE_HPP
+
+#include "character_data.hpp"
+#include "utils/game_state.hpp"
+#include "weapon_data.hpp"
+#include <godot_cpp/templates/vector.hpp>
+
+namespace godot {
+class TunnelsGameState : public GameState {
+    GDCLASS(TunnelsGameState, GameState);
+    static void _bind_methods();
+public:
+    void set_weapons(Array weapons);
+    Array get_weapons() const;
+    void set_characters(Array characters);
+    Array get_characters() const;
+private:
+    Vector<Ref<WeaponData>> weapons{};
+    Vector<Ref<CharacterData>> characters{};
+};
+}
+
+#endif // !TUNNELS_GAME_STATE_HPP