I really would enjoy playing on my Mac please extend it to the mac App Store
Sadly, The Blockheads has no plans to export the game onto further platforms.
The only thing you can do on a Mac related The Blockheads is host a free server. Guide: How to set up a Mac server
And they never ever ever ever will.
You could use an emulator, although I don’t recommend it.
There might be hope in the future!