Steam launched twenty years ago today, on September 12, 2003. To celebrate, we’re going back to the original army green for the day and putting all Valve titles on sale!

We couldn’t help but throw in a bit more fun, and in an effort to make us all feel super old put together a fun walk down Steam and pop culture memory lane. You’ll find historical factoids from Steam and Valve along with important broader milestones like, memes and stuff.

We’re also highlighting the games that were the top releases on Steam from each year, and many of those games are joining the party with discounts of their own! And we’re hoping you enjoy the new art sprinkled throughout (and featured in a couple of free new stickers).

Steam would not exist without the developers and players around the world who are on it, and it is your feedback over the years that has and will continue to help us make it even better. We can’t say thank you enough, and look forward to working together with you all in the many years to come!

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Jerry Paxton

A long-time fan and reveler of all things Geek, I am also the Editor-in-Chief and Founder of