I love how ND risks at storytelling. This is a deeply personal story, meant for people who really loved the game and Ellie. It took me 4-5 hours to beat, exploring every nook and cranny, and i absolutely loved it. The part with Riley is perfect, with its playful moments. Yo get to see Ellie as a true 14-year old: she's sweet and innocent. For now... Poor thing.
The pre-winter bit is also great. It's there to both tell that bit of the story and to add tension and action to the whole story. I liked the pace of it and i absolutely LOVED watching infected fighting survivors. COOL
As stated above, being given the rifle at the VERY end was... odd. It was like WTH? the gun/bow/infinte knife combination was perfect. I never needed the rifle. I don't know... It was just weird.
I like the ending. It was very abrupt (Druckmann said at IGN that it was done in a month because they weren't going to include them getting bitten) but i like how it doesn't show HOW things turned out. Just like the main game, it leaves all to the player's imagination. I like that they allow me to do that.
The final fight was indeed too "I don't have a boss so lets do a difficult fight to show this is ending" I think i can stealth my way through it, at least til the reinforcements come... I'll try next time i play it.
Great job, ND. And great job, Mr Santaolalla