Fate Order. Start with the anime that came out first and gradually work to the most recent entry. "How do I Watch the Fate Series in Order?" - Ask this question to a group of Fate fans and receive more answers than there are fans in the group. What Order Should You Watch All the Fate Anime Series.

However as a disclaimer there isn't a Fixed order to it, although it is recomended you watch the series in a specific order so you can prevent spoilers to other parts of the series, for example, many people got in through Fate/Zero, and that is the prequel to the main series Fate/Stay Night, so lots gets spoiled.
Fate/Grand Order is an online mobile free-to-play RPG game based on the Fate/stay night franchise by Type-Moon.
Caldea is an organization established to observe the magical world and the world of science - as well as to prevent the final extinction of mankind. This type of game is also known as a dungeon crawler, in which the player takes his/her character through progressively difficult levels of a dungeon, fighting monsters, completing quests, collecting valuable items and gold, and improving the character's attributes and skills along the way. The story of the Holy Grail War is a must-see, but with so many anime renditions of the Fate universe, what's the best path to take?