G400 w/ 32bit textures
The attached screenshot is Mario64 with 32-bit only textures, some overflow from the welcome animation remains visible during gameplay.
Text popus in mario64 are white, with black outlines on a white background.
Some more test results:
1080degrees : Playable, Snow trail visible as grey rectangles, snowflakes are squares, helicopter in intro obscured by white square.
Diddy kong racing: Playable, some characters are completely black, rest of visuals is OK.
Tarzan: Playable, dust puffs (when character touches ground) visible as white squares, grey polygon instead of main character shadow.
Doom64 : Not playable, way too dark - gamma correction needed ?
Earthworm Jim 3D: Playable, text in intro, gameplay and menus not visible, just yellow (animated) polygons.
F1 Pole Position: Playable, text in game setup and gameplay has bright green background, text in car selection are just cyan-to-blue gradient rectangles.
F-Zero X (Europe): Not playable; performance drops to 6-7fps in actual gameplay.
Goldeneye: text in intro are just white squares, text in games setup screens are just black (font-proportional) character rectangles, during gameplay, looks very black-and-white, and the display is constantly shaking (about 1-2 pixels upwards and downwards)
Mario Kart: Playable, had to manually select F3DEXT; during gameplay: overlays are white and red rectangles.
Mario Party3 : Playable, some flickering during gameplay
Snowboard Kids 2: Playable, no visual problems detected
Star Wars EP1 Racer: Not Playable, intro text just white squares, intro movie scrolled down 50% (ie. only top half visible), text in config screens just colored rectangles, in gameplay only top half visible.
Smash Brothers: Appears to be playable; text in config screens are white rounded rectangles
SuperMan: Appears to be playable; background in gameplay is bright purple (?)
Tony Hawk's Pro Skater: into text just rectangles, intro movie very dark (only sky and author names are visible, rest is black) - game option screen text not visible. Could not navigate into gameplay (due to blackness)
Turok - Dinosaur Hunter: Appears to be playable, no visual problems detected