开发者的话我是华夏人生游戏的开发者。华夏人生里使用了Jason Rohrer的开源素材，这些是公共领域无版权的素材，开源项目链接为：
https://github.com/jasonrohrer/OneLifeData7/tree/OneLife_v209项目里no_copyright.txt文件是原作者的版权声明，全文如下：
This work is not copyrighted. I place it into the public domain.
Do whatever you want with it, absolutely no restrictions, and no permission necessary.
Jason Rohrer
Davis, California
March 2018
