
Patch v17.02 - Massive Performance Improvements
Performance Improvements Reduced the game's save data size by up to 95%, which significantly speeds up the saving and loading process, fixes all lag spikes, and improves overall…




Endless Idle Tower Defense with deep strategy and RPG progression and combat mechanics. Recruit, upgrade, and position powerful fantasy heroes, discover game-changing synergies, and survive infinite monster waves. Grow stronger every run with literally millions of upgrades and endless auto battles.
If you're a fan of classic old-school tower defense strategy games or endless idle games where you deal impossibly large numbers of damage, then you will LOVE Idle Hero TD! Assemble a team of powerful heroes, build an unstoppable defense, and battle endless waves of monsters while you grow stronger - even while offline. Whether you love idle games, deep RPG progression, or tactical tower defense challenges, Idle Hero TD has it all.

No time to grind? No problem! Idle Hero TD keeps working while you’re away. Collect offline rewards, resources, and loot every time you return. With idle mechanics, your heroes never stop fighting - even when the game is closed. With simple auto-battle mechanics, your heroes fight for you, making every session rewarding whether you play actively or passively.
Level up heroes, unlock new abilities, and upgrade towers to deal massive damage. Collect gold, resources, and loot from every wave to strengthen your team. Invest in long-term progression with upgrades that make your heroes stronger every run, unlocking powerful strategies for endless defense.
Unlock 48 unique heroes, all of which have different skill sets that make tower synergy crucial to success. Experiment with team combinations to create the perfect defense. None of them ever become obsolete, as ranking them up unlocks new mechanics that makes even the early-game heroes extremely useful in the end-game. Determining the most effective combination of their skills and synergies will keep you entertained and speculating for weeks! Discovering how to use each hero is part of the fun.

Collect a wide variety of resources to unlock millions of powerful upgrades, including Research, Prestige Power, Spells, Technology, Runes, Tournament Points, Mastery Points, and much more!
Battle Ultra Bosses and Immortal Bosses, climb the ranks in PvP Tournaments and leaderboards, team up with other players on Weekly Community Challenges, and conquer several different maps, each with different perks and requiring different strategies to defend. Find the one that suits your current goals best, and conquer its challenges! The longer you play, the more powerful and rewarding your defense becomes.

With over 20,000 active members in our Discord, you never have to wait long to get an answer from a player with years of experience! Enjoy an extensive library of player-made guides and tools. Share feedback and chat to the developer to get your requested changes implemented in the game!
Idle Hero TD fully supports cross-play and cross-platform functionality. Start the game on your PC, then load it up on your mobile device to continue your progress while out of the house. Compete against millions of others from around the world on Windows, Mac, Android, or iPhone!
Idle tower defense with auto battle mechanics.
Simple to start, but deep strategy to master.
Idle offline resource gains and progress while the game is closed.
Hero upgrades and tower progression for long-term growth.
Weekly PvP Tournaments, Boss Challenges, and Leaderboards give this casual game a competitive edge.
Weekly Community events.
Countless daily missions, achievements, and challenges.
Fantasy RPG heroes and skills.
The best and most helpful Discord community you can ever hope for!
Cross-play and cross-platform support.
Fun, cute, and colorful artwork.

Whether you’re a fan of idle games, tower defense games, or strategic fantasy RPGs, Idle Hero TD delivers the perfect mix of relaxing progression and tactical depth. Defend your kingdom, grow your team of heroes, and see how far your strategy can take you.
Download Idle Hero TD today and join the battle in the ultimate idle tower defense RPG!
Idle Hero TD - Tower Defense RPGSteam patch notes
Performance Improvements Reduced the game's save data size by up to 95%, which significantly speeds up the saving and loading process, fixes all lag spikes, and improves overall…
Idle Hero TD - Tower Defense RPGSteam patch notes
Changes: Offline exp gains were reduced more after each hero Ascension to avoid the silly situation where offline exp gains were stronger than active play. It was ONLY reduced…
Idle Hero TD - Tower Defense RPGSteam announcement
New Content: Hero Ascensions: when a Hero reaches rank 5000, they can "Ascend" to reset their rank back to 1, and in exchange, they will unlock some of the most powerful and…
Idle Hero TD - Tower Defense RPGSteam patch notes
Changes: Damage and Gold Master Runes have changed to "Progressive" bonuses, meaning they continually get stronger with each one you earn. This should ensure these time-gated…
Idle Hero TD - Tower Defense RPGSteam patch notes
New Content: Master League II: players in the Master League for the PvP Immortal Boss can get promoted to Master League II by dealing enough damage during the event. This league…
Idle Hero TD - Tower Defense RPGSteam announcement
New Content: Runemaster Boss: a new Ultra Boss that is unlocked at wave 45k. Featuring a few new challenging mechanics, killing this boss will reward Master Runes. Master League…
Idle Hero TD - Tower Defense RPGSteam patch notes
Changes: The Damage, Kill Gold, and Skill Power limited-time event bonuses, as well as the Damage and Gold premium purchases in the Store (Combat Bundle), now scale with your…
Idle Hero TD - Tower Defense RPGSteam patch notes
New Content: New Tournament upgrade to reduce Automation upgrade times. Changes: Reduced Automation upgrade times for the first 5 levels of each Stat Boost upgrade (damage, gold,…
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