I like to play Minecraft (MC). It's lots of fun!
Go download Firefox (FF) instead of your current browser.
Every time I see something like this, I want to stab the author. The abbreviation is not important for the reader's understanding, and it's never used again in the post for ease of reference. It's totally pointless. Why would anyone write something like this!?
This is certainly one of my top three most annoying stylistic errors.
It's redundant as well. Imaging saying to someone, "Hey! Check out the wet water!"