[quote name='Liam.']Don't. It's not worth it.
[/QUOTE]
Highly disagree. In the past 4 months, I've won quite a bit for free on Twitter.
[FONT="]XBLA Games[/FONT]
[FONT="]0 Day Attack on Earth (x2)[/FONT]
[FONT="]Alien Breed Evolution (x2)[/FONT]
[FONT="]Death By Cube[/FONT]
[FONT="]Diner Dash (x3)[/FONT]
[FONT="]Duke 3d (x2)[/FONT]
[FONT="]Flock[/FONT]
[FONT="]Geometry Wars 2[/FONT]
[FONT="]Marvel VS Capcom 2[/FONT]
[FONT="]Military Madness[/FONT]
[FONT="]Misadventures of P.B. Winterbottom[/FONT]
[FONT="]Shadow Complex[/FONT]
[FONT="]'Splosion Man[/FONT]
[FONT="]Super Street Fighter 2 HD ReMix[/FONT]
[FONT="]Trials HD[/FONT]
[FONT="]Vandal Hearts (x3)[/FONT]
[FONT="]Indie Games[/FONT]
[FONT="]Astro Match 3[/FONT]
[FONT="]Bomb Disposal Expert[/FONT]
[FONT="]Chris Unarmed[/FONT]
[FONT="]Cocktail Paradise[/FONT]
[FONT="]Creed Arena[/FONT]
[FONT="]Golden Royal Blackjack[/FONT]
[FONT="]Planet Delta[/FONT]
[FONT="]War Ships[/FONT]
[FONT="]Words in a Word[/FONT]
[FONT="]PSN Games[/FONT]
[FONT="]Fret Nice[/FONT]
[FONT="]Pixeljunk Shooter[/FONT]
From what I've played of Heavy Rain so far, its great, and although it has its share of issues, it's quite entertaining.