Game takes 20 hours to complete, around 45 hours to 100%, difficulty level Zero Dawn unlocked upon completion, makes every robot creature corrupted, with a few different AI moves and loot
No story DLC planned, but an arena mode will come in Q2-Q3 2017
You can override pretty much any creature in the game. The flying creature will actually let you fly around the map, which is pretty cool. It's one of the last things you learn in the game
The world is huge. It's Witcher 3's Velen huge, with no oceans as a cheat to increase size. Desert, Tropical forest, hills, ancient ruins, snow mountains are the 'biomes'. Feels like a very traditional RPG, which is surprising to see coming from Guerrilla