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Major System Game

A web-based game to help you practice and memorize the Major System number-to-image associations.
The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.
Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.

Features:

  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display

How to Play

  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.

Exporting Stats

Use the provided buttons to export your stats as JSON or CSV for review or sharing.

Reference website

major-system.info

About

davidtbilisi.github.io/MajorSystemGame/

Topics

major-systemmemory-gamemnemonic

Resources

Readme
Activity

Stars

0 stars

Watchers

1 watching

Forks

0 forks
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Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Major System Game
A web-based game to help you practice and memorize the Major System number-to-image associations.

The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.

Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.
Features:
  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display
How to Play
  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.
Exporting Stats
Use the provided buttons to export your stats as JSON or CSV for review or sharing.
Reference website
major-system.info
About
davidtbilisi.github.io/MajorSystemGame/
Topics
major-systemmemory-gamemnemonic
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Major System Game
A web-based game to help you practice and memorize the Major System number-to-image associations.

The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.

Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.
Features:
  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display
How to Play
  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.
Exporting Stats
Use the provided buttons to export your stats as JSON or CSV for review or sharing.
Reference website
major-system.info
About
davidtbilisi.github.io/MajorSystemGame/
Topics
major-systemmemory-gamemnemonic
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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Major System Game
A web-based game to help you practice and memorize the Major System number-to-image associations.

The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.

Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.
Features:
  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display
How to Play
  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.
Exporting Stats
Use the provided buttons to export your stats as JSON or CSV for review or sharing.
Reference website
major-system.info
About
davidtbilisi.github.io/MajorSystemGame/
Topics
major-systemmemory-gamemnemonic
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Major System Game
A web-based game to help you practice and memorize the Major System number-to-image associations.

The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.

Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.
Features:
  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display
How to Play
  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.
Exporting Stats
Use the provided buttons to export your stats as JSON or CSV for review or sharing.
Reference website
major-system.info
About
davidtbilisi.github.io/MajorSystemGame/
Topics
major-systemmemory-gamemnemonic
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Major System Game
A web-based game to help you practice and memorize the Major System number-to-image associations.

The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.

Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.
Features:
  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display
How to Play
  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.
Exporting Stats
Use the provided buttons to export your stats as JSON or CSV for review or sharing.
Reference website
major-system.info
About
davidtbilisi.github.io/MajorSystemGame/
Topics
major-systemmemory-gamemnemonic
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Major System Game
A web-based game to help you practice and memorize the Major System number-to-image associations.

The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.

Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.
Features:
  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display
How to Play
  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.
Exporting Stats
Use the provided buttons to export your stats as JSON or CSV for review or sharing.
Reference website
major-system.info
About
davidtbilisi.github.io/MajorSystemGame/
Topics
major-systemmemory-gamemnemonic
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Major System Game
A web-based game to help you practice and memorize the Major System number-to-image associations.

The game shows a random number and several images; your task is to select the image that matches the number according to the Major System.

Your correct and incorrect guesses are tracked, visualized, and exportable for further analysis.
Features:
  • Randomized number and image selection
  • Tracks correct and wrong guesses per number
  • Statistics are saved in your browser and can be exported as CSV or JSON
  • User-friendly and visually clear stats display
How to Play
  1. Open the game in your browser.
  2. A number will appear; select the image that matches the number.
  3. Your stats will update as you play.
Exporting Stats
Use the provided buttons to export your stats as JSON or CSV for review or sharing.
Reference website
major-system.info
About
davidtbilisi.github.io/MajorSystemGame/
Topics
major-systemmemory-gamemnemonic
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Contributors
Languages