Hi! I can change the license freely, as I am the copyright holder. The terms of any previous licenses would still apply to those versions under previous licenses.
Don’t worry tho. If the new orc license isn’t great, I’ll stick with CC.
Free-as-in-beer Creative Commons content includes: Build-your-own-retroclone toolkit for more narrative play, generic advice for starting out in solo table-top role playing with advice for multiple genres of play, more, all free, no plans to ever charge. Have fun!