Sorry for the big bump, but...
I've just recently gotten one of the worst games I've played for the PS1.
It's Rayman Brain Games (Junior). It's simply horrible.
When you boot it up, the Ubi-Soft logo plays, then after that, it's a Rayman picture with the same music as the Ubi-Soft logo before it, which is kind of creepy. Once that's done, you get the Rayman animation from Rayman 1 in warp speed, and the music stops abruptly when the animation is done playing.
First off, when I start to play the game, the voices are muffled and distorted, low quality. I can barely hear what they are saying. When I get to a stage, you have to jump onto a unrailed platform, and if you fall off, you fall into a pit of spikes. If you get a wrong answer, you get dumped into a pit of enemies. And, you have to start all the way back at the beginning! And you only have five lives. And, you have to properly time your punches to hit the correct levers with the words, or you'll miss it. Enemies also try to attack you when you're drifting along, so staying on the platform causes you to lose another freaking life. It's so confusing and hard, and this game was aimed for kids aimed 6-8? AND IT WAS EVEN APPROVED BY TEACHERS?
No wonder it originally sold for $8.00 USD.