65%Strong matchDefend Your Life: TD
82%57582% positive reviews, Very Positive across 575 reviews·Tower Defense · 2D
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Become a young white blood cell in training and learn how they mature and fight against invading pathogens. Team up with other types of cells, with unique strengths and weaknesses, and overcome disease for good. To serve and protect the human body at all costs.
Cells of Immunity
SteamPlay as a young Thymocyte, training to become one of the primary white blood cells that protect the human body. Meet other cells in training, and find out who is talented enough to become a white blood cell and the fate of the failures. As the story progresses, you'll have the ability to control multiple types of white blood cells, such as T-Killer cells, Macrophages and neutrophils. Each with its unique strengths and weaknesses, command them correctly to overcome all obstacles caused by invading pathogens. Use the correct types of attacks against your enemies in Real-Time action-bar combat in order to defeat your enemies. To serve and protect the human body at all costs.
This game is an educational Role-Playing-Game, all about the human immune system. You will experience the lives of many cells involved in the immune system. Learn about the objectives of different cell types involved in the immune response, and fight against invading pathogens. Many factors in this game, such as appearances and interactions between cells, have been altered, to fit better into a game and a good story. Despite the alterations, all events and characters in this game are based upon how the human immune system works in real life, and as a result, we aim to teach everyone who plays our game a bit more about the immune system than they knew before. Furthermore, students in medical or biological areas may find this game useful to visualize the interactions within the human body. Although some amount of scientific accuracy has been lost, this makes a much easier to understand. This game has been developed by University of Warwick students, and the story has been fact-checked by Professors of Warwick, to stay relatively accurate to the actual science behind it. The development of this game has been funded by IATL of Warwick, making it accessible for everyone to play and learn from it.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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