Downloading Yarr! 1.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular version of the tool is 1.0. The program lies within System Tools, more precisely Dashboard Widgets. This free software for Mac OS X was originally developed by gadgets-archive.
From the developer:
A pirate game for children to improve their arithmetic skills.
The objective of Yarr!, is to amass the biggest quantity of booty, represented by golden dubloons.
You earn dubloons by finding treasures that are hidden on the islands. Which island the treasure is hidden on, is your job to find out.
You may want to check out more software for Mac, such as Ping.fm, Digital Clock Widget or I Can Has Cheezburger, which might be similar to Yarr!.