@Owen RE Well "memorable ending" is subjective already but going purely from song selection (because that's what you brought up) most of the songs in the final pack of cytus 2 are references to all the other packs that were already there most of which were paid for.. For the people who didn't pay for those packs, they wouldn't feel the same impact from those songs and from the ending in general. Personally, I didn't like where the story already was at the time, but I would admit that if someone were invested in the story it would be "memorable" to them. And secondly... who asked? the guy just said "one of the most memorable update in the rhythm games history" he didn't claim that it was THE definitive most memorable...
I mean the songs just get more difficult per update anyway, and if they were going to end it, they’d most likely end it with something as insane as this