Equation Cages | HTML5 Puzzle Game

Description

Three Brain-Teasing Puzzle Styles in One HTML5 Game

Equation Cages turns everyday arithmetic into a satisfying daily habit. Instead of offering a single puzzle format, it packs three different number challenges into one polished, browser-ready package, so players can switch styles whenever they want a fresh kind of thinking.

Every round is generated on the fly, which means there is always a new board to solve. Whether you enjoy careful deduction, quick tile swapping, or crossword-style clue solving, this game keeps the experience varied without needing any installation, build tools, or server setup.

What You Get

• Cage Puzzle: Fill a 9×9 grid with digits 1 to 9, with no repeats in any row or column, while making sure each outlined cage satisfies its printed equation.
• Equation Match: Swap neighbouring tiles until every shared edge pairs an equation with its correct answer.
• Number Crossword: Work through Across and Down equation clues and enter the resulting numbers into the intersecting grid.
• Endless generated puzzles: Boards are created procedurally at runtime, so gameplay never runs out.
• Daily Challenge: Everyone gets the same puzzle on the same day, based on the date, for a fair daily contest.
• Three difficulty levels: Easy, Medium, and Hard adjust grid size, cage size, and the operators used, from simple addition and subtraction up to division.
• Five board themes: Warm Paper, Jungle, Neon City, Midnight Ink, and Rose Gold change the look of the board.
• Helpful play tools: Check, Hint, Undo, Reset, New, Pause, and Pencil Mode for jotting candidate numbers.
• Keyboard play: Use digits 1 to 9, Backspace or Delete to erase, P for Pencil Mode, and Ctrl+Z or Cmd+Z to undo.
• Progress systems: Earn XP, climb ranks from Apprentice to Grand Master, unlock eight achievements, and track best times on a local leaderboard.
• Optional extras: A configurable Time Attack countdown for Cage Puzzle, an Import Puzzle option for a solved 9×9 grid, and a sponsor and ad system that is switched off by default.

Built for Easy Deployment

The game runs on plain HTML5, CSS3, and vanilla JavaScript, with no frameworks, libraries, or package manager required. Its single entry point is index.html, and all progress, themes, statistics, XP, achievements, and daily-challenge state are stored in the browser using localStorage.

Sound is generated procedurally with the Web Audio API, so no audio files are bundled, and the only outside dependency is Google Fonts for the Crimson Pro and DM Sans typefaces. The layout adapts to desktop, tablet, and mobile screens, and it works in any modern browser with no server-side code needed.

Who It Suits

Equation Cages is a strong choice for casual game portals, education-focused sites, brain-training collections, and publishers who want a long-lasting puzzle title. Its mix of logic, maths, and replay value gives visitors a reason to return day after day, while its clean, dependency-free code keeps setup simple for site owners.