Not max score. It’s a true kill screen where the game starts using ram and it freezes it. At some point the color block generation glitches the color pallets of the pieces isn’t in the game design. Someone did a lot of math and found out when the glitches will happen based on AI models. This is the first time someone was able to hit high enough levels for it to glitch. And if you watch his whole video he missed a chance at a glitch that had a 77% success rate. He even says it in the video then a couple levels later he becomes a legend!