mine was the first Uncharted!

the hardest are like Gran Turismo,Ninja Gaiden Sigma 2Lost Planet & Warhawk!

id agree on Gran Turismo i havent played the others

this, got to be one of the easiest platinums on the console

hardest for me were little big planet (late adopters beware), SOCOM Conforntation, and Warhawk

Dynasty warriors 7

It was UC 2, or Ratchet and Clank ACiT. I can't remember. My hardest one will be MAG, whenever I get back to focusing on that because BF 3 has me absorbed atm.

my first platinum was heavy rain. one of the hardest i hear to platinum is star ocean: the last hope. you pretty much have to play it 3 times through, once on normal, hard, and then very hard ( i think in the game they are called solar system, galaxy, and universe). then you have to find every treasure chest and a bunch of other monotonous tasks like that.

My first one was Assassin's Creed II and then not long after was Ratchet & Clank: A Crack In Time. Most recent being Sly 2 (such a good collection that has been overlooked by so many) and back to work on getting the one for Mass Effect 2 after i finish Uncharted 3

My first and only platinum: Call of Duty: Modern Warfare 2.

My first plat was Uncharted.

I am 1 blast shard away from platinum-ing infamous. I seriously can't find it, I swear my game is glitched or something. I spent weeks looking for it, even used a guide to find all of them and its still missing. I ended up giving up and infamous still sits at 95% complete to this day (I'm also missing another easy like trophy like bio-leech 100 enemies but that would take no time to do)

The hardest platinum I got was probably Killzone 2. For one of the trophies you have to be in the top 1% in online multiplayer for the week.