---
layout: new
title: "Bloons Td Battles 2 - All Seasons"
permalink: /yt/letstrygg/bloons-td-battles-2/
tags: "PVP, Tower Defense"
---
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      "url": "https://letstrygg.com/yt/letstrygg/bloons-td-battles-2/season-1/",
      "name": "Season 1"
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<div class="game-page-wrapper">
  <div class="divider-bottom" style="margin-bottom: 20px; padding-bottom: 15px;">
    <h1 class="title">Bloons Td Battles 2</h1>
    <p class="subtitle" style="margin: 0;">Series Overview</p>
    <div class="flex-row flex-wrap" style="gap: 8px; margin-top: 15px;">
            <a href="/yt/tags/pvp/" class="btn btn-gray interactive text-sm" style="padding: 4px 12px; border-radius: 15px; border-color: var(--border);">#PVP</a>
<a href="/yt/tags/tower-defense/" class="btn btn-gray interactive text-sm" style="padding: 4px 12px; border-radius: 15px; border-color: var(--border);">#Tower Defense</a>
           </div>
  </div>

  <div class="dash-panel" id="main-dashboard">
    <div class="dash-row" style="padding-top: 0;">
      <div class="dash-stat" style="color: var(--gray); font-weight: bold; min-width: 90px;">TOTALS:</div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Total Seasons"><span class="material-symbols-outlined" style="color: var(--text); font-size: 18px;">folder</span> <span id="val-tot-items">1</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Total Videos"><span class="material-symbols-outlined red" style="font-size: 18px;">video_library</span> <span id="val-tot-vids">14</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Total Views"><span class="material-symbols-outlined blue" style="font-size: 18px;">visibility</span> <span id="val-tot-views">1.1K</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Total Likes"><span class="material-symbols-outlined green" style="font-size: 18px;">thumb_up</span> <span id="val-tot-likes">32</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Total Comments"><span class="material-symbols-outlined orange" style="font-size: 18px;">chat_bubble</span> <span id="val-tot-comms">116</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Total Duration"><span class="material-symbols-outlined purple" style="font-size: 18px;">schedule</span> <span id="val-tot-dur">9h 13m</span></div>
    </div>
    <div class="dash-row">
      <div class="dash-stat" style="color: var(--gray); font-weight: bold; min-width: 90px;">PER VID:</div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Avg Views per Video"><span class="material-symbols-outlined blue" style="font-size: 18px;">visibility</span> <span id="val-pv-view">75</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Avg Likes per Video"><span class="material-symbols-outlined green" style="font-size: 18px;">thumb_up</span> <span id="val-pv-like">2</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Avg Comments per Video"><span class="material-symbols-outlined orange" style="font-size: 18px;">chat_bubble</span> <span id="val-pv-comm">8</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Avg Duration per Video"><span class="material-symbols-outlined purple" style="font-size: 18px;">schedule</span> <span id="val-pv-dur">39m</span></div>
    </div>

    <div class="dash-row" style="gap: 20px;">
      <div class="dash-stat" style="color: var(--gray); font-weight: bold; min-width: 90px;">ANALYTICS:</div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Age of filtered content"><strong style="margin-right: 4px;">Age:</strong> <span id="val-adv-age">4y 143d</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Days since last upload"><strong style="margin-right: 4px;">Inactive:</strong> <span id="val-adv-dead">4y 120d</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Views generated per day"><strong style="margin-right: 4px;">Vel:</strong> <span class="blue" id="val-adv-vel">0.7/d</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Overall Trending Score"><strong style="margin-right: 4px;">Heat:</strong> <span class="red" id="val-adv-heat">0.00</span></div>
      <div class="dash-stat tooltip-trigger" data-tooltip="Overall Hidden Gem Score"><strong style="margin-right: 4px;">Gem:</strong> <span class="orange" id="val-adv-gem">0.64</span></div>
    </div>
  </div>


<div class="panel" style="margin-bottom: 20px; gap: 15px;">
    <div class="flex-row">
        <div style="position: relative; flex: 1;">
            <input type="text" id="gameSearch" class="input" placeholder="Search...">
            <span id="clearSearch" class="material-symbols-outlined hidden" style="position: absolute; right: 10px; top: 50%; transform: translateY(-50%); cursor: pointer; color: var(--gray);" onclick="clearSearchInput()">close</span>
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                <span class="material-symbols-outlined">sell</span> Tags
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    <div class="btn-group flex-wrap">
        <button class="btn btn-green active" id="btn-recent" onclick="sortGrid('recent')"><span class="material-symbols-outlined">psychiatry</span> New</button>
        <button class="btn btn-blue" id="btn-popular" onclick="sortGrid('popular')"><span class="material-symbols-outlined">visibility</span> Views</button>
        <button class="btn btn-purple" id="btn-length" onclick="sortGrid('length')"><span class="material-symbols-outlined">schedule</span> Duration</button>
        <button class="btn btn-orange" id="btn-vpv" onclick="sortGrid('vpv')"><span class="material-symbols-outlined">mode_heat</span> VPV</button>
        <button class="btn btn-blue" id="btn-vel" onclick="sortGrid('vel')"><span class="material-symbols-outlined">speed</span> Velocity</button>
        <button class="btn btn-red" id="btn-heat" onclick="sortGrid('heat')"><span class="material-symbols-outlined">local_fire_department</span> Heat</button>
        <button class="btn btn-yellow" id="btn-gem" onclick="sortGrid('gem')"><span class="material-symbols-outlined">diamond</span> Gem</button>
    </div>
</div>
<div id="tag-filters" class="panel hidden" style="flex-direction: row; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; padding: 12px;"></div>
<div class="grid" id="series-grid">
  <div class="panel filterable-card flush-all" data-channel="" data-title="bloons td battles 2 s1" data-tags="" 
       data-updated="1640710809000" data-episodes="14" data-views="1051" data-likes="32" data-comments="116" data-duration="33181" data-vpv="75" data-firstpub="2021-12-05T15:00:14+00:00" data-vel="0.7" data-heat="0.00" data-gem="0.64">
      <a href="/yt/letstrygg/bloons-td-battles-2/season-1/" class="inner-panel interactive flush-all" style="border: none;">
        <img src="https://i.ytimg.com/vi/WjIcJCf0y7w/maxresdefault.jpg" alt="Bloons Td Battles 2 S1" loading="lazy" onerror="this.onerror=null; this.src='/assets/img/default-thumbnail.jpg';">
        <div style="padding: 15px; display: flex; flex-direction: column;">
            <div class="flex-between divider-bottom">
              <strong class="label">Bloons Td Battles 2 S1</strong>
              <span class="card-status blue">Complete</span>
            </div>
            <div class="flex-between flex-wrap text-sm">
              <span title="Videos" class="tooltip-trigger flex-row gap-sm" data-tooltip="Total Videos vs Series Avg"><span class="material-symbols-outlined red">video_library</span> 14 </span>
              <span title="Views" class="tooltip-trigger flex-row gap-sm" data-tooltip="Total Views vs Series Avg"><span class="material-symbols-outlined blue">visibility</span> 1.1K </span>
              <span title="Likes" class="tooltip-trigger flex-row gap-sm" data-tooltip="Total Likes vs Series Avg"><span class="material-symbols-outlined green">thumb_up</span> 32 </span>
              <span title="Comments" class="tooltip-trigger flex-row gap-sm" data-tooltip="Total Comments vs Series Avg"><span class="material-symbols-outlined orange">chat_bubble</span> 116 </span>
              <span title="Duration" class="tooltip-trigger flex-row gap-sm" data-tooltip="Total Duration vs Series Avg"><span class="material-symbols-outlined purple">schedule</span> 9h 13m </span>
            </div>
            <div class="flex-between flex-wrap text-sm divider-top-dashed">
              <span title="Views per Video" class="tooltip-trigger flex-row gap-sm" data-tooltip="Views per Video vs Series Avg"><span class="material-symbols-outlined blue">visibility</span> 75 </span>
              <span title="Likes per Video" class="tooltip-trigger flex-row gap-sm" data-tooltip="Likes per Video vs Series Avg"><span class="material-symbols-outlined green">thumb_up</span> 2 </span>
              <span title="Comments per Video" class="tooltip-trigger flex-row gap-sm" data-tooltip="Comments per Video vs Series Avg"><span class="material-symbols-outlined orange">chat_bubble</span> 8 </span>
              <span title="Duration per Video" class="tooltip-trigger flex-row gap-sm" data-tooltip="Duration per Video vs Series Avg"><span class="material-symbols-outlined purple">schedule</span> 39m </span>
            </div>
            <div class="flex-row flex-wrap gap-md text-sm text-muted divider-top-dashed">
              <span class="tooltip-trigger" data-tooltip="Age of content"><strong>Age:</strong> 4y 143d</span>
              <span class="tooltip-trigger" data-tooltip="Time between first and last video"><strong>Span:</strong> 24d</span>
              <span class="tooltip-trigger" data-tooltip="Days since last upload"><strong>Inactive:</strong> 4y 120d</span>
              <span class="tooltip-trigger" data-tooltip="Views generated per day"><strong>Vel:</strong> <span class="blue">0.7/d</span></span>
              <span class="tooltip-trigger" data-tooltip="Trending Score"><strong>Heat:</strong> <span class="red">0.00</span></span>
              <span class="tooltip-trigger" data-tooltip="Hidden Gem Score"><strong>Gem:</strong> <span class="orange">0.64</span></span>
            </div>
            <div class="flex-between text-sm text-bold text-muted divider-top hover-color-blue" style="margin-bottom: 0;">
              View Season <span class="material-symbols-outlined hover-opacity" style="font-size: 18px;">arrow_forward</span>
            </div>
        </div>
      </a>
  </div>
</div>
</div>

<script>
const Utils = {
    formatNum: (num) => {
        if (!num) return '0';
        if (num >= 1000000) return (num / 1000000).toFixed(1).replace(/\.0$/, '') + 'M';
        if (num >= 1000) return (num / 1000).toFixed(1).replace(/\.0$/, '') + 'K';
        return Math.round(num).toString();
    },
    formatDur: (seconds) => {
        if (!seconds) return '0h 0m';
        const h = Math.floor(seconds / 3600);
        const m = Math.floor((seconds % 3600) / 60);
        return h > 0 ? `${h}h ${m}m` : `${m}m`;
    },
    daysBetween: (date1) => {
        if (!date1) return 1;
        const diff = Math.abs(new Date() - new Date(parseInt(date1)));
        return Math.max(1, Math.ceil(diff / (1000 * 60 * 60 * 24)));
    },
    hoursBetween: (date1) => {
        if (!date1) return 1;
        const diff = Math.abs(new Date() - new Date(parseInt(date1)));
        return Math.max(1, diff / (1000 * 60 * 60));
    },
    formatAge: (days) => {
        if (days < 365) return `${days}d`;
        const y = Math.floor(days / 365);
        return `${y}y ${days % 365}d`;
    },
    velocity: (t, d) => (t / d).toFixed(1),
    heat: (v, l, c, h) => ((v + (l * 5) + (c * 10)) / Math.pow(h + 2, 1.5)).toFixed(2),
    gem: (v, l, c) => (v === 0 ? "0.00" : (Math.max(0, ((l + c) / v) * Math.log(100000 / (v + 1)))).toFixed(2))
};

let currentSort = 'recent';
let activeTags = new Set();
let allSortedTags = [];
let isTagPanelActive = false;
let activeChannelFilter = 'all'; 

function updateDashNum(id, val) {
    const el = document.getElementById(id);
    if (el) el.innerText = val;
}

function toggleNetworkState(targetState, filterSlug) {
    const container = document.getElementById('networkToggleContainer');
    if (!container) return;

    const splitCards = container.querySelectorAll('.card-split');

    if (targetState === 'split') {
        container.classList.remove('state-combined');
        container.classList.add('state-split');
        splitCards.forEach(c => {
            if (c.dataset.target === filterSlug) c.classList.add('active-filter');
            else c.classList.remove('active-filter');
        });
    } else {
        container.classList.remove('state-split');
        container.classList.add('state-combined');
        splitCards.forEach(c => c.classList.remove('active-filter'));
    }

    activeChannelFilter = filterSlug;
    applyFilters();
}

function sortGrid(type) {
    currentSort = type;
    document.querySelectorAll('.btn-group .btn').forEach(btn => btn.classList.remove('active'));
    
    const clickedBtn = document.getElementById(`btn-${type}`);
    if (clickedBtn) clickedBtn.classList.add('active');

    const grid = document.getElementById('all-series-grid') || document.getElementById('series-grid');
    if (!grid) return;
    
    const cards = Array.from(grid.querySelectorAll('.filterable-card'));

    cards.sort((a, b) => {
        if (type === 'recent') return parseInt(b.dataset.updated || 0) - parseInt(a.dataset.updated || 0);
        if (type === 'popular') return parseInt(b.dataset.views || 0) - parseInt(a.dataset.views || 0);
        if (type === 'length') return parseInt(b.dataset.duration || 0) - parseInt(a.dataset.duration || 0);
        if (type === 'vpv') return parseInt(b.dataset.vpv || 0) - parseInt(a.dataset.vpv || 0);
        if (type === 'vel') return parseFloat(b.dataset.vel || 0) - parseFloat(a.dataset.vel || 0);
        if (type === 'heat') return parseFloat(b.dataset.heat || 0) - parseFloat(a.dataset.heat || 0);
        if (type === 'gem') return parseFloat(b.dataset.gem || 0) - parseFloat(a.dataset.gem || 0);
    });

    grid.innerHTML = '';
    cards.forEach(card => grid.appendChild(card));
}

function clearSearchInput() {
    const searchInput = document.getElementById('gameSearch');
    if (!searchInput) return;
    searchInput.value = '';
    document.getElementById('clearSearch').classList.add('hidden');
    applyFilters();
    searchInput.focus();
}

function applyFilters() {
    const searchInput = document.getElementById('gameSearch');
    const searchTerm = searchInput ? searchInput.value.toLowerCase() : '';
    const cards = document.querySelectorAll('.filterable-card');

    cards.forEach(card => {
        const title = card.getAttribute('data-title') || '';
        const tagsStr = card.getAttribute('data-tags') || '';
        const cardChannel = card.getAttribute('data-channel') || '';
        const cardTags = tagsStr.split(',').map(t => t.trim()).filter(Boolean);

        const matchesSearch = title.includes(searchTerm);
        const matchesTags = activeTags.size === 0 || Array.from(activeTags).every(tag => cardTags.includes(tag));
        const matchesChannel = activeChannelFilter === 'all' || cardChannel === activeChannelFilter;

        if (matchesSearch && matchesTags && matchesChannel) {
            card.classList.remove('hidden');
        } else {
            card.classList.add('hidden');
        }
    });

    calculateDynamicStats();
}

function calculateDynamicStats() {
    const cards = document.querySelectorAll('.filterable-card:not(.hidden)');
    
    let tGames = 0, tVids = 0, tViews = 0, tLikes = 0, tComms = 0, tDur = 0;
    let minFirst = Infinity, maxLast = 0;

    cards.forEach(c => {
        tGames++;
        tVids += parseInt(c.dataset.episodes || 0);
        tViews += parseInt(c.dataset.views || 0);
        tLikes += parseInt(c.dataset.likes || 0);
        tComms += parseInt(c.dataset.comments || 0);
        tDur += parseInt(c.dataset.duration || 0);

        const fp = parseInt(c.dataset.firstpub);
        const lp = parseInt(c.dataset.updated);
        if (fp && fp < minFirst) minFirst = fp;
        if (lp && lp > maxLast) maxLast = lp;
    });

    if (tGames === 0) return; 

    updateDashNum('val-tot-items', Utils.formatNum(tGames));
    updateDashNum('val-tot-vids', Utils.formatNum(tVids));
    updateDashNum('val-tot-views', Utils.formatNum(tViews));
    updateDashNum('val-tot-likes', Utils.formatNum(tLikes));
    updateDashNum('val-tot-comms', Utils.formatNum(tComms));
    updateDashNum('val-tot-dur', Utils.formatDur(tDur));

    updateDashNum('val-avg-vid', Utils.formatNum(tVids / tGames));
    updateDashNum('val-avg-view', Utils.formatNum(tViews / tGames));
    updateDashNum('val-avg-like', Utils.formatNum(tLikes / tGames));
    updateDashNum('val-avg-comm', Utils.formatNum(tComms / tGames));
    updateDashNum('val-avg-dur', Utils.formatDur(tDur / tGames));

    const vC = Math.max(1, tVids);
    updateDashNum('val-pv-view', Utils.formatNum(tViews / vC));
    updateDashNum('val-pv-like', Utils.formatNum(tLikes / vC));
    updateDashNum('val-pv-comm', Utils.formatNum(tComms / vC));
    updateDashNum('val-pv-dur', Utils.formatDur(tDur / vC));

    const ageDays = Utils.daysBetween(minFirst);
    updateDashNum('val-adv-age', Utils.formatAge(ageDays));
    updateDashNum('val-adv-dead', Utils.formatAge(Utils.daysBetween(maxLast)));
    
    // Complex innerHTML updates for colored spans
    const elVel = document.getElementById('val-adv-vel');
    if (elVel) elVel.innerHTML = `${Utils.velocity(tViews, ageDays)}/d`;
    
    const elHeat = document.getElementById('val-adv-heat');
    if (elHeat) elHeat.innerHTML = `${Utils.heat(tViews, tLikes, tComms, Utils.hoursBetween(minFirst))}`;
    
    const elGem = document.getElementById('val-adv-gem');
    if (elGem) elGem.innerHTML = `${Utils.gem(tViews, tLikes, tComms)}`;
}

function toggleTagPanel() {
    isTagPanelActive = !isTagPanelActive;
    const btn = document.getElementById('btn-tags-toggle');
    const panel = document.getElementById('tag-filters');
    
    if (!btn || !panel) return;

    if (isTagPanelActive) {
        btn.classList.add('active');
        panel.classList.remove('hidden');
    } else {
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        panel.classList.add('hidden');
    }
}

function initTags() {
    const cards = document.querySelectorAll('.filterable-card');
    const tagCounts = {};
    
    cards.forEach(card => {
        const tagsStr = card.getAttribute('data-tags');
        if (!tagsStr) return;
        tagsStr.split(',').filter(Boolean).forEach(t => {
            const cleanTag = t.trim();
            tagCounts[cleanTag] = (tagCounts[cleanTag] || 0) + 1;
        });
    });

    allSortedTags = Object.entries(tagCounts).sort((a, b) => b[1] - a[1]);
    if (allSortedTags.length === 0) return;

    const container = document.getElementById('tag-filters');
    if (!container) return;
    
    container.innerHTML = '';

    allSortedTags.forEach(([tag, count]) => {
        const btn = document.createElement('button');
        btn.className = 'btn btn-gray'; 
        btn.innerText = `${tag} (${count})`;
        
        btn.onclick = () => {
            if (activeTags.has(tag)) {
                activeTags.delete(tag);
                btn.classList.remove('active');
            } else {
                activeTags.add(tag);
                btn.classList.add('active');
            }
            applyFilters();
        };
        container.appendChild(btn);
    });
}

const searchInput = document.getElementById('gameSearch');
if (searchInput) {
    searchInput.addEventListener('input', (e) => {
        const clearBtn = document.getElementById('clearSearch');
        if (e.target.value.length > 0) {
            clearBtn.classList.remove('hidden');
        } else {
            clearBtn.classList.add('hidden');
        }
        applyFilters();
    });
}

document.addEventListener('DOMContentLoaded', () => {
    sortGrid('recent');
    initTags(); 
});
</script>