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Idle Defense
Play Idle Defense online for free on crazygames.cv. As one of the most popular Clicker games, Idle Defense combines fast-paced gameplay, challenging levels, and skill-based mechanics to keep players entertained for hours. Whether you're searching for "Idle Defense CrazyGames", "play Idle Defense online", or the best Clicker games, this game delivers smooth performance and instant browser-based action. No download or installation is needed—just click and start playing instantly.
- Developer
- Neko
- Rating
-
9.5(420 votes)
- Released
- May 2022
- Last Updated
- Technology
- HTML5 (Unity WebGL)
- Platforms
- Browser (Desktop, Mobile, Tablet), CrazyGames App (Android)
How to Play
Protect our planet
Defend the planet from cosmic catastrophe by upgrading your damage, attack speed, and other abilities to fend off threats from space.
Come back stronger
Each time the planet dies you retain your strengths from the previous round, allowing you to come back stronger and tackle new waves of difficulty.
Unlock new abilities
When you reach milestone waves you’ll be able to unlock new abilities like lifesteal and critical chance. You’ll also earn more gold and diamonds for incremental upgrades. How long can you protect mother Earth?
More Games Like This
Browse our idle games for more addictive games. Other fun related titles include Planet Clicker 2 and Merge Pickaxe.
Release Date
May 2022
Developer
Neko made this game.
Platform
Web browser (desktop and mobile)
Last Updated
Dec 30, 2025
Controls
Use the left mouse button to buy some upgrades.
FAQ
What is the main objective of Idle Defense?
To protect Mother Earth for as long as possible.
Is Idle Defense a mobile game?
It's a web game that you can play for free in your web browser on desktop and mobile devices.