
Patch v16.03 - Event and Premium Buffs
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…




Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing!

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! Discover a fantasy world of epic heroes, monsters, and magic! Command a team of heroes to defend your base, and stop the evil creatures from capturing the tower!
Although Idle Hero TD is an idle game that can mostly play itself (which is perfect for casual players without much time), it was also designed to be extremely strategic and rewarding for those who play actively and efficiently. The most powerful bonuses in the game revolve around optimizing the placements of your Heroes to activate their synergies and special abilities. A lot of planning and puzzle-solving is required to achieve the ideal build for your personal play style! This is an endless idle game, so if you enjoy grinding and watching numbers go up from big to impossibly huge - this is the game for you.
Featuring non-stop, idle, and endless gameplay! Destroy endless swarms of evil monsters to bolster power, speed, and other stats - and the more monsters you obliterate, the more heroes you’ll unlock. Face off against Ultra Bosses such as the Ancient Shadow and Exotic Alien for the most powerful rewards.
Unlock 48 unique heroes, all of which have different skill sets that make tower synergy crucial to success. Determining the most effective combination of their skills and synergies will keep you entertained and speculating for weeks! Discovering new unique heroes is part of the fun.

Unlock and complete 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!
Collect various resources to unlock literally millions of upgrades, such as Research, Spells, Technology, Runes, and more!
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!
Easy to pick up and play - no previous experience is required!
Idle offline resource gains and progress while the game is closed!
Weekly PvP tournaments give this casual game a competitive edge.
Complete numerous daily missions, achievements, and challenges.
Cross-play and cross-platform support.
Fantasy RPG-based world and classes.
Fun, cute, and colorful artwork.

Idle Hero TD is the perfect blend of the Idle and Tower Defense genres. The game is endless and can mostly play itself without much effort from you. However, an immense amount of strategy is required to play efficiently and place well against your peers on the leaderboards. Go on an epic never-ending quest, explore a fantastic world, battle heroes and monsters, and defeat epic bosses in Idle Hero TD!
Idle Hero TD - Tower DefenseSteam 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 DefenseSteam 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,…
Idle Hero TD - Tower DefenseSteam patch notes
New Content: You can now play the game in up to 8 different languages (and more are coming soon)! Change your language selection in the Settings menu to experience the game in…
Idle Hero TD - Tower DefenseSteam patch notes
Bug Fixes Fixed server data save/load logic flow to avoid rare rollback scenarios. Improved backend processes to work better with the new save system. Fixed bug related to…
Idle Hero TD - Tower DefenseSteam patch notes
Changes: Reduced the 2x Reward Procs on Supreme Ultimus challenge requirements from 35 to 25. Changed the description of the “Purchase all Leaderboard Icons” challenge to just…
Idle Hero TD - Tower DefenseSteam patch notes
New Content: New Task Master Chests that provide bonus rewards (even some permanent stat boosts) for consistently completing your daily and weekly tasks. All new Leaderboard…
Idle Hero TD - Tower DefenseSteam patch notes
New Content: The Battlepass now goes up to Lv. 100+ and contains tons of new powerful resources, such as Supreme Tech, Supreme Tokens, and Mastery Points! Changes: Slightly…
Idle Hero TD - Tower DefenseSteam patch notes
New Content: Added new upgrades to the Gem menu to buff offline progress and resources (such as adding Battlepass exp and Mastery exp to it). Changes: Rebalanced the Community…