The Lacuna Expanse is a real-time strategy game that runs purely online to host large numbers of players simultaneously in a persistent environment. Players have control over buildings, vehicels and agents for purposes of growing their empires by construction and technological advancement to explore, expand, exploit and exterminate what involves trading with other players and possibly fighting each other. Your basic task is to manage the needs of your colonies and their citizens what is held in check by diplomatic, informational, military, and economic resources. In the beginning, constructing buildings and upgrading them is your main activity. Later, trading and logistics become one of the requirements for a flourishing empire. Technically, TLE is an open-source and free-to-play game which repository is hosted on Github where anybody is invited to contribute to the Perl or Javascript code to enhance this browser game.