Challenge is the title of organisational publications of two separate communist groups. The first is a magazine produced by the Young Communist League, the youth wing of the Communist Party of Great Britain. The first issue was published in March 1935, and it has been produced intermittently ever since. In the mid-1970s while the YCL was influenced by youth trends, the publication was re-designed to give it a punk zine aesthetic. When the Communist Party was re-established in 1988 as the Communist Party of Britain, the YCL published its magazine under the title Young Communist, however in 2000 it was renamed back to Challenge with issue №1 published in November/October that year. An online edition was launched in May 2020.