Idle Hero Defense: Monster Invasion

Monsters come in waves, and only one hero can hold the defense! In Idle Hero Defense: Monster Invasion, everything is built around automatic battles and constantly upgrading your fighter. It's a tower defense game where the result depends on how quickly you improve your warrior. The hero fights on his own, strikes blows, and prevents monsters from passing. Your task is to strengthen him by unlocking new abilities and upgrading his attack parameters.

How to play?

At the beginning, the hero stands still and fights off the first monsters. You receive gold for each enemy defeated. In the game, this gold is used for improvements—increase your strike power, attack speed, and special moves. After each upgrade, the hero becomes noticeably more powerful and fights longer without defeat. Watch out for waves of enemies: the further you go, the stronger they become. By upgrading your hero in time, you can hold your defense and unlock new levels. Want to see how far your hero can go? Then go ahead — strengthen your defenses and don't let the monsters through!

Get ready to play now the online game Idle Hero Defense: Monster Invasion for free and without registration.
Category: Defense Games
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About this game:

  • Players have rated this game out of 5, based on votes.
  • Released in November 2025.
  • Ready to play on Web Browser (PC).
  • Powered by HTML5 (Unity WebGL) — jump right in and start playing in your browser, no downloads needed.

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