Abacus is a developer of video games.
Abacus has been active on the market since before 2000.
Its first and so far only project was game Private Pilot for Microsoft Flight Simulator 2000.
The developer's most recent work is Face Factory; company is releasing this game in-house. Production release occurred on 10 August 2002.
Abacus
Official Webpage: http://www.abacuspub.com/