Uncharted 2 multiplayer, beta confirmed - GameSpot

Naughty Dog's story-driven action adventure picks up co-op, competitive modes for fall launch on PS3; beta key packed in with Infamous purchase.
Nathan Drake returns for some more tomb raiding in the sequel to Naughty Dog and Sony's 2007 archaeological action adventure hit.

Uncharted 2: Among Thieves Online Multiplayer Officially Confirmed By Sony - GameGuru

Inside the Developers Studio: Evan Wells & Richard Lemarchand – PlayStation.Blog

Uncharted 2: Among Thieves Video Review by GameSpot

Uncharted 3 BETA detailed

Uncharted 2, Uncharted 3, and The Last Of Us Multiplayer Servers Going Offline Forever - GameSpot

Kikizo Uncharted 2 Multiplayer Hands-on Preview

Uncharted 2: Among Thieves - GameSpot

Uncharted 2: Among Thieves Review - GameSpot

Uncharted 2: Among Thieves (Game) - Giant Bomb

Explained: Uncharted 4's multiplayer beta

UNCHARTED 2: Among Thieves Multiplayer Gameplay Co-op Arena Gold Rush: The Lost City

Uncharted 2: Among Thieves Video Review by GameSpot

Uncharted 2: Among Thieves (Game) - Giant Bomb