All of this will likely be tremendously appealing to a particular sort of player, and Aaru's Awakening clearly deserves a certain recognition for putting its own twist on the unforgiving 2D platformer. But if you are going to enter this world, know that the extrinsic rewards are few. The challenge is really all there is. The gods give only what they will, and are unconcerned with whether mortals find it sufficient.
As adventure park, Far Cry 4 performs admirably well. There are ample opportunities and excuses to do within its bounds whatever it is you want to do. The particular darkness of its narrative might be a bit more basic cable than HBO, but there are other parks if that's not your sort of thing. This is the kind of place where even your enemies love you, as long as you say yes to everything. That's the price of admission. Well, that and $60.