Loop Army vs Immune Crisis

Guide your train, earn points, and unleash your units in epic battles! Assemble your forces Collect points as your train loops through the battlefield and spawn powerful units. Outsmart your enemies Deploy your troops strategically to dominate your opponents and claim victory. Claim victory Lead your army to glory and prove your skills as a master commander. Only the smartest commanders will prevail—are you ready for the loop? Download Loop Army now and start your adventure!

Immune Crisis is a tower defense game set inside the human body. Pathogens are pouring in through multiple entry points — deploy and grow your immune cells to hold the line, then bring the full power of adaptive immunity online. It plays like a real-time strategy game and teaches like a biology class. Every unit and mechanic mirrors how your immune system actually fights infection. DEFEND THE BODY - Station neutrophils at the entry gates as your fast first responders - Deploy macrophages — tough frontline walls that double as antigen-presenting cells (APCs) - Send in NK cells and killer T cells to hunt down stronger threats - Carry antigens to the lymph node, mature your B cells, and release waves of antibodies LEARN REAL IMMUNOLOGY - Innate vs. adaptive immunity, explained through play - Antigen presentation, helper T cells, B cells, and memory cells - Discover why overreaction (inflammation) can hurt you too ITEMS & TACTICS - Antibiotics, steroids, and interleukin for clutch moments - Keep inflammation in check — too much defense backfires MODES - Campaign: staged missions that introduce each cell type step by step - Endless: push your limits and chase your personal best Earn memory cells as you play and grow stronger over time. Play offline, no sign-up required. Made for curious minds, students, and strategy fans alike. Optional in-app purchases available.