The day Ian Fleming invented penicillin. The day scientists invented the moon landing. The day Sir Isaac Newton distracted the policemen investigating his wife’s murder by discovering gravity. All of these historic moments have two things in common. They helped steer the course of human history. And they’re all days you’ll skip past in future history books to get to today: the day Team Fortress 2 became available for Mac users.

Stop us if you've heard this one: Three blood-stained mercenaries walk into an Apple store... Get the inside story on how this unlikely alliance came to pass. Learn more New to TF2? Played it back in the day but worried you're a little rusty? Played it nonstop for the last three years and can't figure out why you're still awful at it? One-on-one sessions are now available in TF2 Training Mode. Learn more Get a limited edition set of in-game earbuds to wear on any class FREE, when you play TF2 on a Mac before Monday, August 16th. Learn more