Thats friggin' mindblowing, i would've NEVER guessed that they had used vertex colors :O. Now-a-days with the lesser impact of polygons on engine performance i bet we could do all kinds of crazy stuff (just too bad that the development of vertex painting tools has been stuck in the same place since forever xD)
ah ? it's really weird because dragon saga did have that sort of technique, i'm very surprised and intrigued by this such technique beside, i did played this game some year ago, i did noticed how their face is totally flat but we can clearly see the interior moving. i will edit the post once i managed to find that such…