Hey mate. Two very small things:
Please make the blink slower.
I believe making it so that you can only rotate each piece once would create more strategic play.
Overall great game: 
Hey mate. Two very small things:
Please make the blink slower.
I believe making it so that you can only rotate each piece once would create more strategic play.
Overall great game:
Cheers! That's fair, I wouldn't mind making the blink adjustable with a bit more time.