I ❤️ a good card game, here’s one we started, but going off some old rules from a bygone era left us confused. After some searching around I found our slip of paper title “Russian Rummy”, might also be called 12-Step Rummy.
The arduous game looks fun, but really needs some rules to make it playable (who knew?! ?♂️). Here’s an online guide. Or download the PDF: