Synthesize, upgrade, freeze, break the defenses of immune cells and let the virus invade the heart.

Features:
■ Randomly upgrade, keep getting stronger
■ Defense line composed of various immune cells
■ Constantly updated maps
■ Synthetic virus
■ Function Cards: Healing cards restore blood to the virus, Freezing cards freeze defense cells
■ Idle game
■ Roguelike

Synthesize viruses at the best time, choose the best evolutionary route, and invade the heart.

Idle Tower Defense: Virus Invasion is free to and play, but in-game items can be purchased.

Recent changes:
Update SDK