Hmm... I don't have a particular single great memory of PSU, but rather my whole first few months of playing it were especially wonderful. I had never enjoyed a game that much or knew a network of gamers who could grow that close. It was a nice time, and I wish I could re-visit those days. Sadly, they'll be gone forever. Even though many have left PSU, including myself (for now, anyways), I'll always remember them even if they don't remember me, because of the good times we shared together.
It's why PSU will always have a special place in my heart.
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