Welcome to the table
The key details are straightforward. Solitaire Cool Math (0c0f.com) is an independent browser-based Spider Solitaire website. The site brings one-suit, two-suit and four-suit games together with practical playing guidance. The game is designed for individual play without a player account. The interface and learning pages are written in English for a general audience, including players in the United States.
Three ways to play
On this website, the following points apply. Four suits adds clubs and diamonds for a more demanding version of the same rules. Two suits introduces spades and hearts and the challenge of keeping groups together. The homepage opens a one-suit game for learning the flow of Spider. Every difficulty uses 104 cards and the goal of eight complete King-to-Ace runs.
Made for the browser
Here is what to know. The game runs with JavaScript in a modern browser. The layout supports desktop screens and mobile devices. No app installation or purchase is required for the built-in game. You can use taps, clicks, dragging and keyboard activation to interact with the cards.
Guidance beside the game
The FAQ answers common questions about controls, saving and difficult positions. How to Play explains the opening layout, legal moves and stock-dealing requirement. The learning content follows the rules implemented in this site's game. Tips & Strategy discusses hidden cards, same-suit groups and empty columns.
A personal playing pace
Keep these details in mind. Random shuffles are not represented as guaranteed winnable. Undo and Replay let you investigate a different approach. Hints suggest visible legal moves without promising to solve a deal. The game has a timer for information rather than a countdown deadline.
Continue a session
Keep these details in mind. The browser can save your current deal and recent undo history. Each difficulty uses its own local saved game. Local statistics record activity on the current browser and domain. Privacy & Cookie Settings gives you a way to disable saving or remove game records.
Our identity
The key details are straightforward. Names that appear in supplied site metadata do not establish a partnership or endorsement. This site does not claim an official relationship with other solitaire brands or game publishers. The operating display name is Solitaire Cool Math (0c0f.com). The Spider implementation and site interface are supplied as part of this independent website.
Feedback and contact
The key details are straightforward. You can also contact the operator at [email protected]. A successful submission provides a reference so the operator can locate the message. The FAQ includes a private form for questions about the game or website. Name and email are optional fields in that form.
Respect your choices
On this website, the following points apply. The built-in game keeps saved positions in the current browser rather than a cloud player account. The Cookie Policy explains the short-lived form cookie and local-storage records. The settings page controls game saving and sounds. The Privacy Policy explains contact data and technical request information.
Keep exploring
Whether you finish a deal or restart it, the next decision is yours to make. The site logo always returns to the one-suit homepage. Use the difficulty links to move between one-suit, two-suit and four-suit Spider. You can revisit the rules or FAQ whenever a position or control is unclear.