GmerBox 1.0 for Mac was free to download from our software library. The actual developer of this free Mac application is WidgetGmer. The application lies within System Tools, more precisely Dashboard Widgets.
From the developer:
GmerBox is a Dashboard widget that allows you to play classic arcade games like Donkey Kong, Super Mario, Tic Tac Toe, Pac Man, Space Invaders, Phoenix, 1945 and many many more.
You may want to check out more Mac applications, such as MIXPOD.com Music Player, OrariFS or Niagara Falls, which might be similar to GmerBox.