I'll just come right out and say it, Crysis 3 is the best game in the entire Crysis franchise. Sure, the game is not as long as 1 or 2, but it's not short by that much. The stages are longer and more diverse, and has the best of both worlds. Not to mention, it has better overall improvements when it comes to the nano suit powers over the first two games.
To the hardcore PC crowd that said Crytek betrayed them and the entire community, y'all can screw right off. They didn't "betray" anyone. They made what they thought was the best decision they could. Not everybody got what they wanted, but so what? As the entire franchise has proven, each game was barely able to break even. So even if they pandered more to the PC crowd, the results would have been the same or even worse when it came to sales. Just be happy you got four games and none of them are bad.
This franchise is also one of the best from 7th generation. It's definitely aged better than a lot FPS franchises from seventh generation. Ended on a better note than FEAR or BioShock; especially if we're talking about trilogies.