You're looking at a wrapper around libopenage, which is written in C++: https://github.com/SFTtech/openage/tree/master/libopenage https://github.com/SFTtech/op

You're looking at a wrapper around libopenage, which is written in C++: https://github.com/SFTtech/openage/tree/master/libopenage https://github.com/SFTtech/openage/tree/master/libopenage