What's the biggest achievement you've ever accomplished in a video game?

[twesterm]

Hmm, I would say getting some fucking amazing scores in Tetris.

I remember while waiting for a movie one day a friend had Tetris and after schooling him I showed him it was possible to beat Tetris and he thought it was the most amazing thing ever.

...

And now I want to go home and play Tetris DS... ;_;