Openbook Ltd. is a developer of video games.
Openbook Ltd. has been active on the market since before 1994.
Its first and so far only project was game SimTower: The Vertical Empire.
In publishing its games, Openbook Ltd. collaborates with EA Maxis / Maxis Software. The developer's most recent work is SimTower: The Vertical Empire. Production release occurred on 20 November 1994.