Sega Saturn version of Quake have different secret levels.
Recorded PAL version of Quake on SSF Ver0.10 prototype emulator. (Plus, my computer may be not powerful enough for perfect recording.)
Also, sorry for having a noisy audio here.
Here we have some nice level.
Ok, I just tried USA version of game and this level have a blue sky with rain. Quite possible, "Rain" code isn't in PAL version at all.
Quake made by Id Software.
Sega Saturn port by Lobotomy.