Idle Defense

"Idle Defense" is a browser-based idle game where you defend the planet from cosmic threats, upgrading your damage, attack speed, and unlocking new abilities as you progress. Each time the planet is destroyed, you retain your strengths to face tougher waves of enemies in subsequent rounds. The game offers additional idle games for players to explore, with related titles such as "Planet Clicker 2" and "Merge Pickaxe."