Solitaire Classic

Why You'll Like Solitaire Classic

Solitaire Classic is the Klondike variant — the version Microsoft shipped on Windows 3.0 in 1990 to teach office workers how to use a mouse, written by intern Wes Cherry while he was at Microsoft. (He famously did not earn royalties on what became one of the most-played video games in history.) The variant itself is older — Klondike traces back to gold-rush-era Yukon, hence the name — but the digital cards-and-felt aesthetic, the reveal animation when you complete the foundations, and the muscle-memory most people have for moving cards from waste to tableau all come directly from that 1990 Windows build.

This browser implementation follows the standard Klondike deal: 28 cards arranged into seven tableau columns of increasing size (1, 2, 3, 4, 5, 6, 7), with only the topmost card of each column face-up. The remaining 24 cards form the stock pile. Click the stock to flip cards into the waste; the top of the waste is always the only stock card you can play. Cards move from waste or tableau onto either another tableau column (descending values, alternating colours: a black 7 onto a red 8) or onto one of the four foundation slots (ascending by suit, Ace through King). An empty tableau column can only be filled by a King or a stack starting with a King.

A few practical details specific to this build. There is an explicit Undo button — unlimited steps, all the way back to the deal — which the original Windows Solitaire did not have until later versions. Drag-and-drop works for moving stacks of multiple cards together; the underlying rule is that the moved sub-stack must already be in valid descending alternating-colour order. The deck is shuffled with a Fisher–Yates shuffle, and each deal is independent — there is no concept of ‘winnable deals only’ here, so roughly 1 in 6 deals is statistically unwinnable no matter how well you play. That is normal Klondike behaviour, not a bug.

Solitaire Classic is strongest when played as an information game. Every visible card, empty space, and forced move tells you what can happen next. Rather than clearing cards as soon as possible, the better approach is to preserve flexibility until a move clearly unlocks a new sequence or reduces future risk.

For players arriving from search, the practical question is how to make the next attempt better. In Solitaire Classic, that usually means focusing on information management, sequencing, and risk control. The more you understand that core loop, the less the game feels random and the more each restart becomes useful practice.

Strategy notes

Prioritize moves that reveal hidden cards, open columns, or improve your ability to reorganize later. If a move only looks tidy but blocks future movement, it is usually weaker than waiting.

How to Play

• The Goal: Move all 52 cards onto the four foundation slots (♥ ♦ ♣ ♠), each built up by suit from Ace to King.
• The Tableau: Build descending stacks of alternating colours in the seven columns — for example a red 7 onto a black 8, then a black 6 onto that red 7.
• The Stock: Click the face-down deck to flip cards onto the waste pile. The top waste card is the only one you can play from the stock.
• Empty Columns: An empty tableau column can only be filled by a King (alone or as the bottom of a moving stack).
• Undo: Press the Undo button to step back through any number of moves, all the way to the original deal if you want.

Tips and Strategy

• Reveal hidden information before making decorative moves.
• Keep flexible spaces open until they unlock a useful sequence.
• Do not move a card just because it can move; ask what it enables.
• Build toward stable sequences instead of isolated short-term gains.
• When choices look equal, prefer the move that leaves more legal options.