The one game I do play and perhaps play too much, is Intelligent Qube (or Kurushi since I'm a contrary European) on the PS1. I usually speedrun it, but then I found a high score for the game on Twin Galaxies of 1,244,800 with an IQ record of 506. This was achieved on the default / easiest difficulty, nevertheless if you've played the game you'll understand that they're both pretty great scores.
The scoring mechanics for the game are relayed via the tutorial and otherwise easily observable so anybody doing a score attack can gauge how they're progressing and what they need to do. How the IQ score is calculated on the other hand is not public knowledge. So seeing as I like to know how things work, can read PlayStation (MIPS) assembly, and some clever people have fitted debuggers into PlayStation emulators, I went to uncover it.
The results I found contained some rather unexpected information.
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