I've seen Myriad [official site] since its earliest prototypes years ago, as my pal Erlend Grefsrud is making it, and I still don't entirely understand what's happening as shapes and colours explode across the screen. I do know it's fascinating and pretty as heck.
As I understand it, Myriad is an arena shmup where destroying enemies changes the level, and you can rearrange the levelbits and levelblobs, and ultimately you want to blow up the entire level in a huge explodeopointsorama then start over. I think. Come see what you make of it.
Do watch in 1080p if you can, as YouTube compression is not kind to this explosion of polyshards:
Scoring points is one motivation, sure, and it'll have highscore tables and all that, but it also encourages sheer performance. The exciting colourful things are rewards in themselves, and it'll allow you to freely rewind time to undo mistakes. Everything's recorded, and you can share high-scoring performances with your chums for them to watch, and they can take over at any point to continue themselves.
Perhaps a spot of gameplay will explain it better:
Or another, with a different set of weapons:
No word on a price or release date yet.
[Disclosure: me and him are pals, obvs.]