I am a experienced Unity Game Developer. My Demos: I have an exact clone of Flappy Bird and a derivation of it which adds enemies and a flip-dash attack. You can check out a demo of the latter at, http://www.isxri.com/FlappyFlippyBirdHero/ It's also on the Play Store, https://play.google.com/store/apps/details?id=com.Adam_Bennett.Flappy_Flippy_Bird_Hero Here is the exact clone, http://www.isxri.com/FlappyBirdYay/ Here is another version of flappy bird I built in Unity style with Unity Free Assets, http://www.isxri.com/FlappyBirdUnity/ I also have another 2D Sidescroller created and can also modify as needed, http://www.isxri.com/Hudo/ It's also on the Play Store, https://play.google.com/store/apps/details?id=com.Adam_Bennett.Hudo_Alien_Adventures and Yet another I created for my daughter, http://www.isxri.com/CalayaMA P.S. all graphics in all these games are free art, they are not mine, I do not create art, I am a programmer and game developer. I can add/modify anything you need.