BrainPuzzle 1.0 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.
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 actual developer of this free Mac application is Amnesiapps. The software lies within Games, more precisely Puzzle.
From the developer:
Brain Puzzle lets you test your brain with engaging and addictive mind puzzles. The application provides many logic problems, memory boosts, and mental games. You can play labyrinth, unblock, memory games, and many more. These brain exercises help to train your brain to improve concentration and focus.
You may want to check out more Mac applications, such as The Race, Zulu's Zoo or CryptoQuote, which might be similar to BrainPuzzle.