This is how we played: playground rules was only to fours, tournement play was to sixies:

These are the levels (which have to be done onesies to whatever-sies (4 or 6) to get to the next level:
babies, eggs in a basket, pat egg, egg pat, pat egg pat, ups, downs, (first do a babies and then finish with a second ball toss to transfer the jacks in hand to the other hand-ups, or the floor-downs ) double ups, double downs, (different wrist action on second motion) pigs in the pen, pigs over and under the pen, crack the egg, strike the match (sweeps), scrubs (back and forth scrubbing motion) around the moon, —