PlayStation 2 title Super Galdelic Hour is nuts. It features females dressed as animals on a game show playing whack-a-mole with giant suckers and throwing pies in each others' faces. You cannot take enough acid to reproduce a game like this, let alone the colour palette.
Cosplayer Omi Gibson, of Metal Gear cosplay fame, dons Toko's outfit, wields a big sucker and takes a pie in the face.
Super Galdelic Hour was released on the PS2 by Enix before it merged with Square to form Square Enix.
For more pics, some of which might be NSFW, check Omi's blog.