Aegis Defenders combines Metroidvania exploration and combat with Tower Defense strategy. Players assume the role of Ruinhunters seeking a legendary weapon to save their village from a ruthless Empire. The game features 2D platforming, an extensive story mode, and split-screen co-op.The core gameplay loop involves exploring the world of Elam, leveling up items and weapons, and engaging in strategic combat. Players utilize dynamic character swapping and a "Fusion Build" system to customize defensive setups by fusing items. Tower Defense scenarios include defending static and moving targets with unique abilities.