Core Idle TD

Tower defense on PC

Core Idle TD is a minimalist tower defense game about defending against endless waves of enemies. You build turrets to counter different enemy types, collect Cores by defeating bosses, and spend them on upgrades that carry progress between runs.

Turrets and placement

The game has five turret types: Gatling, Sniper, Heavy, Frost, and Flame. Each has a role against swarms, armored units, or shielded enemies. Placement matters too: turrets on specific corner nodes get damage multipliers and can cover multiple lanes.