Neat video. Shenmue on Saturn is gorgeous... but the awful framerate explains that pretty easily. Also, I'm really surprised to find out that the original Guilty Gear was going to have a Saturn release.
It is difficult, but I want to translate. If there is no Saturn version in the video, we have used a lot of other models version. New channels Regards! goo.gl/QSRmQZ
Development of PS2 was also very complicated, but development was pursued because it was a big hit. Even if the configuration of the game hardware is complicated, it will be pursued if it is a big hit .... Sega Saturn was defeated in both Japan and North America ... It is a shame.
Not all of these never-released Japanese Sega Saturn games are gems. The Data East game Trio The Punch was horrible & a Saturn version of the rotten live-action FPS, Corpse Killer. A pity that crap 3D Contra game was ported over for the PS1. What a shame the US Saturn never lasted long enough to get the far superior Alien vs. Predator arcade game, instead of the garbage FPS that was made for the Atari Jaguar. I guess that all-girl fight game at 12:22 will forever languish in Japan...
What game is at 6:42? Though I love Saturn, the Dreamcast and Shenmue series (especially the 2nd chapter) I must say I don't think that Saturn could have really handled that polygons amount, detailed textures and lightmapping of the several architectures and even at that smooth framerate you can see for example at 2:35 (though at certain points in the video the framerate is quite low which is not balanced and even weirder). The characters animations we can see in the video are often too much detailed for the machine capabilities, 2:01-2:08 Ren movements look like obtained from a fine motion capture which is totally absent even in the Dreamcast version. The facial expressions are too richly detailed and sharp and the colour depth and shades too much extended. Also at 3:07 and in other rotating background screens there's textures bump mapping, an hardware feature that only Dreamcast will have later and it's even barely used in its games (basically just in Soul Calibur and Tomb Raider Last Revelation). In short I think this is just material rendered at low resolution by a powerful workstation for the times and never been adapted to run on a real Saturn.