Js13kGames is a game jam organized by Andrzej Mazur from Enclave Games. Game jams are competitions where developers make games in a limited amount of time and it is, usually, then judged. Game jams come in many shapes and sizes. Some have technological limits and some have specific themes. They can be for individuals or small teams but they usually allow anyone from any background to participate. Game jams are a wonderful way to polish your skills and even get some exposure.