BrickArena 1.0.0 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. BrickArena for Mac lies within Games, more precisely Puzzle. The actual developer of this free software for Mac is NIX Solutions. 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.
From the developer:
BrickArena is a captivating game that consists in matching and destroying bricks. For a single game, you need to eliminate as many lines as possible to get points. For multiplayer game, you need to pack your opponent’s screen with extra lines. You need to take your opponent on the edge until no tetromino can fit the screen.
You may want to check out more software for Mac, such as Anawiki Puzzle Game, Jojo's Fashion Show - World Tour or BallsTrial, which might be similar to BrickArena.