Star Marine is a series of sim-games developed by InterDimension Software as ultra-realistic tactical shooters focusing on battles between United Empire of Earth Marines and various outlaw forces. Development of the first Star Marine started in 2941 with the formation of the InterDimenision; it was released in 2945 to positive reviews and has become a popular competitive game. Multiple games in the series have been used as simulators for actual combat training by the UEE military. The games are also the basis for the popular action vids Star Marine and Star Marine 2: BloodLock.