What is the fine-grained topic of the following text: Description: A group of cuddly toys come to life as a result of a failed military experiment, and have escaped from captivity invading the world to becoming a plague uncontrollable, your mission is fight against them through the different platforms. Only return the topic.
A military experiment gone wrong leads to cuddly toys coming to life and becoming an uncontrollable plague, with a mission to fight them.