Janus(AS) is the name given to a computerised combat simulation system developed between 1990 and 2009 by the Australian Army. It was based on software developed by the US Army, but over the course of almost 20 years was significantly modified to suit local users. The "(AS)" suffix was used to distinguish it from the many other international versions.

Between 1998 and 2009, Kriegspiel Developments undertook the majority of the software development work. This involved working directly with users to identify requirements and formulate solutions, implement the code changes, support user acceptance testing and provide technical support during exercises.


Janus(AS) is used to support capaility development experiments and tactical decision training exercises at platoon to brigade level.

An overview of some of the functionality can be found here , and some documentation on Janus(AS) changes can be found here .

Some acedemic papers and other references for Janus can be found here .

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