We made a shoot’em up game using cocos2d-x. Feel free to ask any question. We appreciate your feedbacks.
Technology: Spine, Texture Packer, Physics Editor.
Using box2d for collision detection.
Using sqlite3 for save and load.
Using SDKBOX for IAP and analytics (Firebase).
Using native code for ads.
Development Time: 18 months.
Team size: 5