Download of BlastFort 1.6.4.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Games, more precisely Action. 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 software for Mac is Faraaz Jan.
From the developer:
BlastFort is a free-to-play multiplayer side-scrolling shooter. With a wide selection of weapons and unique special items, the gameplay is fun for everyone. BlastFort offers three unique multiplayer modes and up to 10 players in multiplayer matches for everyone to enjoy in their own way, while still using the same base mechanics. BlastFort also offers 20 unique items/weapons and tens of unlockable/purchasable player skins.
You may want to check out more software for Mac, such as Jets'n'Guns, Passage or Rubicon X, which might be related to BlastFort.