Scorpion
Family: Open / Skill-based
A Spider-family open variant where you build K→A sequences in the same suit.
In Scorpion, the goal is to build descending same-suit sequences from King to Ace within the tableau. Like Yukon, you can move a group of cards regardless of whether they're sorted.
A completed same-suit sequence (K→A) is cleared directly from the tableau, with no foundations. If you flip face-down cards in the wrong order, it's easy to get stuck.
It sits between Spider and Klondike, and its appeal is the open information and free movement.
Related variants
Yukon
A variant where you can move whole groups of cards even if they aren't in sequence.
Two-Deck (Double Deck)Spider
Two decks (104 cards); complete same-suit K→A sequences.
Open / Skill-basedFreeCell
All cards face-up. A skill game where nearly every deal is solvable.