Trust me, this will wake up the entire retro numberblocks fandom in one day. Retrillions is a name He made up to combine Million, Billion Trillion, etc. with Retro. I don't know why he did that, but it sounded cool to him for some reason Check out RetroNB's version, Featuring Trioctoblock24's numberblocks.
Credit to all except people who don't give credit.
