Fabian Steidlnio: Simple deck, endless possibilities.
nio is a compact card game system designed to enable many ways to play, from memory and reaction games to deeper strategy, playable solo, competitively, or cooperatively. The deck can also be combined with other game components like markers or dice. nio cards are thoughtfully designed for clarity and accessibility, easy to learn, quick to play, and small enough to fit in your pocket.
The third prototype now available.
Open-source under CC BY-NC-SA 4.0.