Yes, you can. There are still plenty of things to do like side quests, exploring hidden areas, collecting all the collectibles, and taking on additional challenges.
Sure. After finishing the main story, you can still engage in various activities. For example, you might discover new areas that were not accessible during the main plot, or take on side missions that offer different challenges and rewards. There could also be hidden collectibles or lore to uncover, which can enhance your overall understanding and enjoyment of the game's world.
Yes. It can be a great experience to replay the game with the knowledge you gained from the first playthrough. You might notice things you missed before.
Sure. After the main story, there's still a lot to do. You can go back and complete unfinished side quests, discover hidden areas, or try to unlock all the achievements.
The main story of Horizon Zero Dawn can vary in terms of playtime for different players. But on average, it might take around 20 to 30 hours to complete.