http://hackaday.com/2017/08/08/atmega32 ... ore-267887
Same processor, there is also a github link there too.
I kind of like 3d points, you don´t see much on that with games (except for star fields I guess).
edit: oh, it seems some of us are already aware, I see someone linked jhhoward´s 3d test on the comment section but there are lots of interesting stuff there.
![Very Happy :D](./images/smilies/icon_e_biggrin.gif)