I beat VVVVVV for 3DS today, in about 3 hours and over 1400 deaths. It was one of those really amazing games that I was sad to beat cuz it's a true work of genius. However, I had only collected 13 of the 20 trinkets, so I started exploring again. Another hundred deaths later, I have 2 more trinkets. Going to probably keep playing off and on until I get all of them.
Update: Collected all 20 trinkets and unlocked the secret lab. 1900+ total deaths. I think I'm going to take a little break from this game, now. Amazing that there's still so many modes and stuff to do, even though I've completed the main game.