At a glance

FeatureSpider SolitaireKlondike
CardsTwo decks (104 cards)One deck (52 cards)
Tableau columns107
Foundations8 completed runs4 suit piles
Build directionDescending, King to AceDescending, King to Ace in the tableau
Foundation orderKing first, then down to AceAce first, then up to King
Suit rule for groupsSame suit requiredAlternating colours in many versions
StockFive deals, one card to each columnDraw pile with a waste pile; passes may be limited
Empty columnAccepts any card or valid run hereUsually King only

Different goals

Klondike asks you to build four foundations from Ace to King, one per suit, while using a waste pile to cycle through the deck. Spider asks you to build eight complete King-to-Ace sequences inside the tableau. When a Spider sequence is complete, it leaves the table automatically. The goal is to clear the entire board, not to build four tidy piles.

Different building rules

In Klondike, many versions let you move a group of cards in alternating colours. In Spider, a group only moves when every card in it shares a suit. That single rule is why Spider feels stricter. A beautiful alternating sequence in Klondike may be completely immobile in Spider.

Spider also allows any card to sit on a card one rank higher, regardless of suit. The suit restriction applies to moving groups, not to placing a single card. This is a common source of confusion for new players.

Different stock mechanics

Klondike gives you a draw pile and a waste pile; you flip cards and may cycle through the deck depending on the rules. Spider has no waste pile. Instead, the stock deals one card to every column at once, and only when all ten columns are non-empty. You get five deals, and then the stock is gone.

That design makes Spider more spatial. You are not hunting for a single card in a draw pile; you are managing ten columns and deciding when to add ten new cards to all of them.

Which is harder?

Spider is generally harder at 4 suits and comparable or slightly harder at 2 suits. The larger tableau, the same-suit group rule, and the eight-run goal create more failure points. One-suit Spider is the gentlest entry point and is easier than most Klondike variants.

If you are coming from Klondike, start with 1-suit Spider. The board is larger, but every group moves, which lets you learn the layout without the suit-reading burden. Then move to 2 suits.

Which should you play?

Play Klondike when you want a quick, familiar single-deck game with a smaller board. Play Spider when you want a longer, more spatial puzzle with a clearer sense of progress: each completed run leaves the table and opens space. They scratch different itches, even though both are solitaire.