diff --git a/SimpleGame/CMakeLists.txt b/SimpleGame/CMakeLists.txt
index a67f88a..4599843 100644
--- a/SimpleGame/CMakeLists.txt
+++ b/SimpleGame/CMakeLists.txt
@@ -20,3 +20,16 @@ set(CMAKE_CXX_STANDARD 23)
 
 add_subdirectory(src)
 
+FetchContent_Declare(
+        googletest
+        URL https://github.com/google/googletest/releases/download/v1.16.0/googletest-1.16.0.tar.gz
+)
+
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+# enable_testing() must be in the source directory root (see cmake documentation at https://cmake.org/cmake/help/latest/command/enable_testing.html)
+# Otherwise, Visual Studio test explorer does not see unit tests (See ticket https://developercommunity.visualstudio.com/t/No-tests-discovered-for-googletest-and-C/1148799#T-ND1150621)
+include(GoogleTest)
+enable_testing()
diff --git a/SimpleGame/src/CMakeLists.txt b/SimpleGame/src/CMakeLists.txt
index a7748a3..ed3be36 100644
--- a/SimpleGame/src/CMakeLists.txt
+++ b/SimpleGame/src/CMakeLists.txt
@@ -46,3 +46,5 @@ add_custom_command(TARGET simpleGame POST_BUILD
         "${FMOD_PATH}/api/core/lib/${CPU_THING}/${FMOD_DLL_NAME}"
         "$<TARGET_FILE_DIR:simpleGame>"
 )
+
+add_subdirectory(Test)
diff --git a/SimpleGame/src/Include/NoteTile.hpp b/SimpleGame/src/Include/NoteTile.hpp
index 9920b8a..ab3b236 100644
--- a/SimpleGame/src/Include/NoteTile.hpp
+++ b/SimpleGame/src/Include/NoteTile.hpp
@@ -19,11 +19,24 @@ private:
   // Constructor  is rivate, use create
   NoteTile(float play_time, float good_interval, NotePlaceEnum place);
 
+  // For unit testing
+
 public:
   // Good key press for this note, is if player press good place, within
   // [play_time - good_interval/2, play_time + good_interval/2]
   static void create(float play_time, float good_interval, NotePlaceEnum place);
+  // Usefull in test, but don't use it anywhere
+  static void clear() { existing_tiles.clear(); };
   // Should be called when one of arrows key pressed, return True if it's a good
   // press
-  bool CheckPress(float press_time, NotePlaceEnum key_pressed);
+  bool checkPress(float press_time, NotePlaceEnum key_pressed);
+
+  // Some getters usefull in test :
+  float getPlayTime() const { return play_time; };
+  float getGoodInterval() const { return good_interval; };
+  NotePlaceEnum getPlace() const { return place; };
+  NoteSprite getNodeSprite() const { return note_sprite; };
+  static const std::vector<std::unique_ptr<NoteTile>> &getExistingTiles() {
+    return existing_tiles;
+  };
 };
diff --git a/SimpleGame/src/Source/NoteTile.cpp b/SimpleGame/src/Source/NoteTile.cpp
index 384cc23..2d3af91 100644
--- a/SimpleGame/src/Source/NoteTile.cpp
+++ b/SimpleGame/src/Source/NoteTile.cpp
@@ -1,9 +1,9 @@
 #include "NoteTile.hpp"
 #include "NoteSprite.hpp"
 #include <SFML/System/Vector2.hpp>
+#include <memory>
 
-std::vector<std::unique_ptr<NoteTile>> NoteTile::existing_tiles;
-
+std::vector<std::unique_ptr<NoteTile>> NoteTile::existing_tiles{};
 // private
 NoteTile::NoteTile(float play_time, float good_interval, NotePlaceEnum place)
     : play_time(play_time), good_interval(good_interval), place(place),
@@ -11,16 +11,17 @@ NoteTile::NoteTile(float play_time, float good_interval, NotePlaceEnum place)
   // TODO do real note_sprite init, make it fall at good speed far enough...
   note_sprite.sprite.setPosition(sf::Vector2f(200, 0));
   note_sprite.fall_speed = 1;
-  NoteTile::existing_tiles.push_back(std::unique_ptr<NoteTile>(this));
 }
 
 // public
 void NoteTile::create(float play_time, float good_interval,
                       NotePlaceEnum place) {
-  NoteTile(play_time, good_interval, place);
+  // Can't use make_unique because constructor is private
+  existing_tiles.push_back(
+      std::unique_ptr<NoteTile>(new NoteTile(play_time, good_interval, place)));
 }
 
-bool NoteTile::CheckPress(float press_time, NotePlaceEnum) {
+bool NoteTile::checkPress(float press_time, NotePlaceEnum) {
   for (const auto &note_tile : NoteTile::existing_tiles) {
     if (note_tile->play_time - note_tile->good_interval / 2 < press_time &&
         note_tile->play_time + note_tile->good_interval / 2 > press_time) {
diff --git a/SimpleGame/src/Test/CMakeLists.txt b/SimpleGame/src/Test/CMakeLists.txt
new file mode 100644
index 0000000..40ba05f
--- /dev/null
+++ b/SimpleGame/src/Test/CMakeLists.txt
@@ -0,0 +1,26 @@
+
+#
+# Lines inspired by https://google.github.io/googletest/quickstart-cmake.html
+#
+
+# Note: include(GoogleTest)and enable_testing() already done in top CMakeLists.txt
+
+add_executable(unitTests
+  NoteTileTest.cpp
+  ../Include/NoteTile.hpp ../Source/NoteTile.cpp ../Source/NoteSprite.cpp
+)
+target_include_directories(unitTests
+        PRIVATE
+        ../Include
+)
+target_link_libraries(unitTests GTest::gtest_main sfml-graphics)
+if (WIN32)
+  target_link_libraries(unitTests wsock32.lib ws2_32.lib)
+else() # We are under UNIX
+    target_link_options(unitTests PRIVATE -pthread)
+endif()
+
+# The next line enables CMake’s test runner to discover the tests included in the binary,
+# using the GoogleTest CMake module (which was included in root CMakeLists.txt).
+include(GoogleTest)
+gtest_discover_tests(unitTests)
diff --git a/SimpleGame/src/Test/NoteTileTest.cpp b/SimpleGame/src/Test/NoteTileTest.cpp
new file mode 100644
index 0000000..60f983c
--- /dev/null
+++ b/SimpleGame/src/Test/NoteTileTest.cpp
@@ -0,0 +1,18 @@
+#include <gtest/gtest.h>
+
+#include "../Include/NoteTile.hpp"
+#include "NoteSprite.hpp"
+
+namespace NoteTile_test {
+
+TEST(NoteFileTest, Yes) { EXPECT_EQ(0, 0); }
+
+TEST(NoteFileTest, No) { EXPECT_EQ(0, 1); }
+TEST(NoteTileTest, CreateTile) {
+  NoteTile::clear();
+  NoteTile::create(2.0f, 0.5f, NotePlaceEnum::Right);
+  EXPECT_FLOAT_EQ(NoteTile::getExistingTiles()[0]->getPlayTime(), 2.0f);
+  EXPECT_FLOAT_EQ(NoteTile::getExistingTiles()[0]->getGoodInterval(), 0.5f);
+  EXPECT_EQ(NoteTile::getExistingTiles()[0]->getPlace(), NotePlaceEnum::Right);
+}
+}; // namespace NoteTile_test