I remember going on Multiplayer for the first time. The first map I went on there was a massive multicoloured wall with parkour challenges everywhere. I was the first one to beat them, and since then the host and I became best mates. We'd always play dig deep and play about on creative, talking about games and other nonsense.
He moved away though and never got online. Haven't seen him since.
And I remember playing the trial over and over when I was waiting for payday. I forgot my old gamertag and I had to buy the game again on a new account. Definitely worth the money though.