Geomaster Plus 1.2 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this software for Mac is Visuamobile. This app's bundle is identified as com.visuamobile.geomastermac.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The most popular versions of the software are 1.5 and 1.2. The application lies within Education Tools, more precisely Science.
From the developer:
GeoMaster Plus is the successor of the great success app for iPhone: Geomaster. This brand new version includes an atlas and 14 games with high resolution maps : World's capitals, European cities, Asian countries, Famous monuments, States of America. Interactive and fun, Geomaster can put your Geography knowledge to the test while you are playing.
You may want to check out more software for Mac, such as Trapcode Particular, iRNAi or DesignWorks Professional, which might be similar to Geomaster Plus.