Game directory.

Seven columns, four foundations, and a stock that adds a challenge.

Two decks. Ten columns. Complete suited runs.

Every card visible; every space matters.

A compact game of rank-by-rank removal.

A variable-rank foundation with a stacked reserve.

Eight holding cells, four already occupied.

An open-cell ancestor with strict same-suit building.

Spider-style suited runs with just one deck.

Ten tableau piles and two occupied cells.

Seventeen short piles feeding one central card.