diff --git a/assets/heart.si2 b/assets/heart.si2
new file mode 100644
index 0000000..b95a095
Binary files /dev/null and b/assets/heart.si2 differ
diff --git a/config.yml b/config.yml
index 90d2329..45b9b24 100644
--- a/config.yml
+++ b/config.yml
@@ -14,7 +14,7 @@
 #
 general:
  maxFPS: 30
- theme: bad
+ theme: good
 
 
 #############################
diff --git a/headers/pixelManager/goodPixelManager.h b/headers/pixelManager/goodPixelManager.h
index 34b66b3..b5cd1da 100644
--- a/headers/pixelManager/goodPixelManager.h
+++ b/headers/pixelManager/goodPixelManager.h
@@ -47,6 +47,19 @@ class GoodPixelManager : public PixelManager{
 	* @brief sprite of the torpedo
 	*/
 	MySprite torpedo;
+
+	/*!
+	* @brief sprite of the heart
+	*/
+	MySprite heart;
+
+	void drawInvaderA(const Position& baseVector, unsigned size, const RGBAcolor& color) const override;
+	void drawInvaderB(const Position& baseVector, unsigned size, const RGBAcolor& color) const override;
+	void drawInvaderC(const Position& baseVector, unsigned size, const RGBAcolor& color) const override;
+	void drawPlayer(unsigned x, unsigned width, const RGBAcolor& color) const override;
+	void drawMissile(const Position& baseVector, unsigned width, const RGBAcolor& color) const override;
+	void drawTorpedo(const Position& baseVector, unsigned width, const RGBAcolor& color) const override;
+	void drawHeart(const Position& baseVector) const override;
 public:
 
 	/*!
diff --git a/headers/pixelManager/pixelManager.h b/headers/pixelManager/pixelManager.h
index 06894b7..94a4dfb 100644
--- a/headers/pixelManager/pixelManager.h
+++ b/headers/pixelManager/pixelManager.h
@@ -96,7 +96,7 @@ public:
 	* @param[in] color : color multiplicaror of the invader
 	* @fn void drawInvaderA(const Position& baseVector, unsigned size, const RGBAcolor& color) const; 
 	*/
-	void drawInvaderA(const Position& baseVector, unsigned size, const RGBAcolor& color) const;
+	virtual void drawInvaderA(const Position& baseVector, unsigned size, const RGBAcolor& color) const;
 	
 	/*!
  	* @brief display a type B invader on screen
@@ -105,7 +105,7 @@ public:
 	* @param[in] color : color multiplicaror of the invader
 	* @fn void drawInvaderB(const Position& baseVector, unsigned size, const RGBAcolor& color) const;
 	*/
-	void drawInvaderB(const Position& baseVector, unsigned size, const RGBAcolor& color) const;
+	virtual void drawInvaderB(const Position& baseVector, unsigned size, const RGBAcolor& color) const;
 	
 	/*!
  	* @brief display a type C invader on screen
@@ -114,7 +114,7 @@ public:
 	* @param[in] color : color multiplicaror of the invader
 	* @fn void drawInvaderC(const Position& baseVector, unsigned size, const RGBAcolor& color) const; 
 	*/
-	void drawInvaderC(const Position& baseVector, unsigned size, const RGBAcolor& color) const;
+	virtual void drawInvaderC(const Position& baseVector, unsigned size, const RGBAcolor& color) const;
 	
 	/*!
 	* @brief display a player on screen
@@ -123,7 +123,7 @@ public:
 	* @param[in] color : color of the plater
 	* @fn void drawPlayer(unsigned x, unsigned width, const nsGraphics::RGBAcolor& color) const;
 	*/
-	void drawPlayer(unsigned x, unsigned width, const nsGraphics::RGBAcolor& color) const;
+	virtual void drawPlayer(unsigned x, unsigned width, const nsGraphics::RGBAcolor& color) const;
 	
 	/*!
 	* @brief display a missile on screen
@@ -132,7 +132,7 @@ public:
 	* @param[in] color : color of the missile
 	* @fn void drawMissile(const Position& baseVector, unsigned width, const nsGraphics::RGBAcolor& color) const;
 	*/
-	void drawMissile(const Position& baseVector, unsigned width, const nsGraphics::RGBAcolor& color) const;
+	virtual void drawMissile(const Position& baseVector, unsigned width, const nsGraphics::RGBAcolor& color) const;
 	
 	/*!
 	* @brief display a torpedo on screen
@@ -141,7 +141,7 @@ public:
 	* @param[in] color : color of the torpedo
 	* @fn void drawTorpedo(const Position& baseVector, unsigned width, const nsGraphics::RGBAcolor& color) const;
 	*/
-	void drawTorpedo(const Position& baseVector, unsigned width, const nsGraphics::RGBAcolor& color) const;
+	virtual void drawTorpedo(const Position& baseVector, unsigned width, const nsGraphics::RGBAcolor& color) const;
 
 #define HEART_LENGTH 40
 
@@ -150,7 +150,7 @@ public:
 	* @param[in] baseVector : pixel coordinates of the heart
 	* @fn void drawHeart(const Position& baseVector) const;
 	*/
-	void drawHeart(const Position& baseVector) const;
+	virtual void drawHeart(const Position& baseVector) const;
 	
 	/*!
 	* @brief display a sprite on screen
diff --git a/src/pixelManager/goodPixelManager.cpp b/src/pixelManager/goodPixelManager.cpp
index a891308..01e301f 100644
--- a/src/pixelManager/goodPixelManager.cpp
+++ b/src/pixelManager/goodPixelManager.cpp
@@ -8,8 +8,37 @@ void GoodPixelManager::loadSprites(vector<Task>& tasks) {
 	ADD_SPRITE_TASK(invaderC)
 	ADD_SPRITE_TASK(missile)
 	ADD_SPRITE_TASK(torpedo)
+	ADD_SPRITE_TASK(heart)
 }
 
 GoodPixelManager::GoodPixelManager(MinGL& win) : PixelManager(win) {
 
 }
+
+void GoodPixelManager::drawInvaderA(const Position& baseVector, unsigned size, const RGBAcolor &color) const {
+	drawSprite(invaderA, baseVector);
+}
+
+void GoodPixelManager::drawInvaderB(const Position& baseVector, unsigned size, const RGBAcolor &color) const {
+	drawSprite(invaderB, baseVector);
+}
+
+void GoodPixelManager::drawInvaderC(const Position& baseVector, unsigned size, const RGBAcolor &color) const {
+	drawSprite(invaderC, baseVector);
+}
+
+void GoodPixelManager::drawPlayer(unsigned x, unsigned width, const RGBAcolor& color) const {
+	drawSprite(player, Position(x, PLAYER_HEIGHT));
+}
+
+void GoodPixelManager::drawMissile(const Position& baseVector, unsigned width, const RGBAcolor& color) const {
+	drawSprite(missile, baseVector);
+}
+
+void GoodPixelManager::drawTorpedo(const Position& baseVector, unsigned width, const RGBAcolor& color) const {
+	drawSprite(torpedo, baseVector);
+}
+
+void GoodPixelManager::drawHeart(const Position& baseVector) const {
+	drawSprite(heart, baseVector);
+}