Itchio New Game Hunt

itch.io /newest (36/page)
    ↓ 第 1 层: Play in browser
~20 games
    ↓ 第 2 层: 详情页信号扫描 + 评分
~5-8 games
    ↓ 第 2.5 层: Google Trends 搜索需求验证
~3-5 games（砍掉搜不到的）
    ↓ 第 3 层: 竞品度评估
1-3 高价值候选

https://itch.io/games/newest/platform-web/free

(() => {
  const cells = document.querySelectorAll('.game_cell');
  return [...cells].map(cell => {
    const titleEl = cell.querySelector('.title, .game_title');
    const title = titleEl ? titleEl.textContent.trim() : '';
    const link = cell.querySelector('a[data-action="game_grid"], a.thumb_link');
    const url = link ? link.getAttribute('href') : '';
    const dataText = cell.querySelector('.game_cell_data')?.textContent || '';
    const hasPlayInBrowser = /Play in browser/i.test(dataText);
    const genreEl = cell.querySelector('.game_genre');
    const genre = genreEl ? genreEl.textContent.trim() : '';
    const authorEl = cell.querySelector('.game_author a');
    const author = authorEl ? authorEl.textContent.trim() : '';
    const imgEl = cell.querySelector('img');
    const thumbUrl = imgEl ? (imgEl.src || imgEl.getAttribute('data-lazy_src') || '') : '';
    return { title, url, author, genre, thumbUrl, hasPlayInBrowser };
  }).filter(g => g.hasPlayInBrowser && g.title);
})()

// 在详情页 console 提取 game_id
const embedLink = document.querySelector('a[href*="/embed/"]');
const dataGameId = document.body.getAttribute('data-game_id');
const pageScripts = [...document.querySelectorAll('script')]
  .find(s => s.textContent.includes('"id":'))?.textContent;
const idMatch = pageScripts?.match(/"id":(\d+)/);
const gameId = dataGameId || (embedLink?.href?.match(/\/embed\/(\d+)/)?.[1]) || (idMatch?.[1]);
// embed URL = `https://itch.io/embed/${gameId}`

// 点 Embed 按钮 → 读取 textarea
document.querySelector('textarea')?.value  // 提取 iframe 中的 src

// 在详情页 console 执行完整提取
(() => {
  const r = {};

  // === 基础信息 ===
  r.title = document.querySelector('h1')?.textContent?.trim() || 
            document.querySelector('.game_title')?.textContent?.trim() || '';
  r.url = window.location.href;
  
  // === Embed URL ===
  const dataGameId = document.body?.getAttribute('data-game_id') || 
                     document.querySelector('[data-game_id]')?.getAttribute('data-game_id');
  const embedLink = document.querySelector('a[href*="/embed/"]');
  const embedHref = embedLink?.getAttribute('href') || '';
  r.gameId = dataGameId || (embedHref.match(/\/embed\/(\d+)/)?.[1]) || '';
  r.embedUrl = r.gameId ? `https://itch.io/embed/${r.gameId}` : '';
  
  // === 描述 ===
  const descEl = document.querySelector('.formatted_description, .game_description, [class*="description"]');
  r.description = descEl ? descEl.textContent.trim().substring(0, 2000) : '';
  
  // === 标签/分类 ===
  r.tags = [...document.querySelectorAll('a[href*="/tag-"]')]
    .map(a => a.textContent.trim().toLowerCase());
  r.genres = [...document.querySelectorAll('a[href*="/genre-"]')]
    .map(a => a.textContent.trim());
  
  // === 评分 ===
  const ratingEl = document.querySelector('.star_rating, [itemprop="ratingValue"], [class*="aggregate"]');
  const ratingText = ratingEl?.textContent?.trim() || ratingEl?.getAttribute('content') || '';
  r.rating = parseFloat(ratingText) || 0;
  r.ratingCount = 0;
  const countEl = document.querySelector('[itemprop="ratingCount"], [class*="rating_count"]');
  if (countEl) r.ratingCount = parseInt(countEl.textContent) || 0;
  
  // === 下载/浏览/评论数 ===
  const statEls = document.querySelectorAll('.game_info_panel_widget .stat, .stats .stat, [class*="stat"]');
  statEls.forEach(el => {
    const text = el.textContent;
    if (/view/i.test(text)) r.views = parseInt(text.replace(/\D/g,'')) || 0;
    if (/download/i.test(text)) r.downloads = parseInt(text.replace(/\D/g,'')) || 0;
    if (/comment/i.test(text)) r.comments = parseInt(text.replace(/\D/g,'')) || 0;
  });
  
  // === 发布/更新时间 ===
  const dateEl = document.querySelector('.game_date, time, [class*="published"], [class*="updated"]');
  r.publishDate = dateEl ? dateEl.textContent.trim() : '';
  
  // === 开发者 ===
  const authorEl = document.querySelector('.game_author a, [class*="author"] a, [class*="owner"] a');
  r.author = authorEl ? authorEl.textContent.trim() : '';
  r.authorUrl = authorEl ? authorEl.getAttribute('href') : '';
  
  // === Devlog 数 ===
  const devlogEls = document.querySelectorAll('.devlog_list .devlog_post, [class*="devlog"] li');
  r.devlogCount = devlogEls.length;
  
  // === 平台支持 ===
  r.platforms = [...document.querySelectorAll('.platform_img, [class*="platform"] img')]
    .map(p => p.getAttribute('title') || p.getAttribute('alt') || '')
    .filter(Boolean);
  
  // === 是否免费 ===
  const priceEl = document.querySelector('.game_price, .price_tag, [class*="price"]');
  r.price = priceEl ? priceEl.textContent.trim() : 'Free';
  r.isFree = !priceEl || /free|name your|donation/i.test(r.price);
  
  // === og:image ===
  const ogImg = document.querySelector('meta[property="og:image"]');
  r.ogImage = ogImg ? ogImg.getAttribute('content') : '';
  
  return r;
})()

锚定词选择：
- 高搜索量：  "snake game"（日均~20-30）→ 作为「有需求」的参照线
- 中等搜索量："escape room game" → 作为「中等需求」参照
- 零搜索量：  留空让新游戏自然暴露

https://trends.google.com/trends/explore?q={keyword1},{keyword2},{keyword3},{anchor}&date=now%207-d&geo=US

(() => {
  // 1. 平均搜索兴趣值
  const avgRow = [...document.querySelectorAll('tr')].find(tr => {
    const td = tr.querySelector('td');
    return td && td.textContent.trim() === 'Average';
  });
  const averages = avgRow 
    ? [...avgRow.querySelectorAll('td')].slice(1).map(td => td.textContent.trim())
    : [];

  // 2. 时间序列（第二个 table）
  const tables = document.querySelectorAll('table');
  const dataTable = tables.length > 1 ? tables[1] : null;
  const timeSeries = dataTable
    ? [...dataTable.querySelectorAll('tr')].slice(1).map(row => {
        const cells = [...row.querySelectorAll('td')];
        if (cells.length < 2) return null;
        return {
          time: cells[0]?.textContent?.trim(),
          values: cells.slice(1).map(c => c.textContent.trim())
        };
      }).filter(Boolean)
    : [];
  
  // 3. 非零数据点统计
  const nonZeroPts = timeSeries.filter(ts => ts.values.some(v => v !== '0'));
  
  // 4. 峰值
  const allVals = timeSeries.flatMap(ts => ts.values.map(Number).filter(n => !isNaN(n) && n > 0));
  const maxVal = allVals.length > 0 ? Math.max(...allVals) : 0;
  
  // 5. "Not enough data" 警告
  const warnings = [...document.querySelectorAll('[class*="warning"], .error-message, [class*="not_enough"]')]
    .map(el => el.textContent.trim())
    .filter(t => t.includes('enough data') || t.includes('spelled correctly'));

  // 6. 地区分布（第三个 table，如果有）
  const regionTable = tables.length > 2 ? tables[2] : null;
  const regions = regionTable
    ? [...regionTable.querySelectorAll('tr')].slice(1, 4).map(row => {
        const cells = [...row.querySelectorAll('td')];
        return cells.length > 1 
          ? { region: cells[0]?.textContent?.trim(), value: cells[1]?.textContent?.trim() } 
          : null;
      }).filter(Boolean)
    : [];
  
  return {
    averages,
    nonZeroPercent: timeSeries.length > 0 
      ? Math.round(nonZeroPts.length / timeSeries.length * 100) 
      : 0,
    maxValue: maxVal,
    hasData: nonZeroPts.length > 0,
    warnings: warnings.slice(0, 3),
    regions
  };
})()