Sure. In the fanfiction 'Titan Ascendancy', the Titans win by corrupting some of the most powerful demigods. They use these turned demigods to their advantage and quickly overtake the camps. It's a short but intense story.
One great 'Percy Jackson Titans win' fanfiction could be 'The Titans' Reign' where the Titans manage to outwit the demigods in a series of clever battles. It shows how the Titans use their ancient powers in new ways.
FanFiction.net is a great place to start. It has a large collection of fanfictions related to Percy Jackson and the Clash of the Titans. You can search by the title or tags to find exactly what you're looking for.
One great 'Percy Jackson Clash of the Titans Fanfiction' is 'The Titans' New Plan' on FanFiction.net. It has an interesting take on how the Titans could have strategized differently in the clash.
One possible plot could be Percy Jackson having to face new challenges after becoming the King of the Titans. Maybe he has to deal with the other gods who are jealous or afraid of his new power. He might also try to reform the Titan realm, making it less about domination and more about harmony.
If the Titans read Percy Jackson fanfiction, they might gain new insights into how the modern world perceives Greek mythology. Since Percy Jackson is set in a modern context with a lot of interaction between the mythological world and the modern human world, the Titans could learn about the human fascination with their kind. They may also use it as a form of entertainment, just like humans do when reading fictional stories.
One way for Kronos to win in Percy Jackson fanfiction is by spreading more chaos and discord. If he could make the demigods lose faith in the gods and each other, his job would be much easier. He could also try to find a way to use the prophecies to his advantage. Maybe he could twist the words of the prophecies to make the demigods make wrong decisions. And if he could somehow break the connection between the demigods and their godly parents, the demigods would be weaker and he could overpower them.
One idea could be that Percy Jackson finds himself in the world of the Teen Titans. He meets Raven and they initially have a bit of a misunderstanding because of their different powers and personalities. Percy's water powers might seem strange to Raven at first, but as they face a common enemy, like a new water - based villain, they start to work together and learn from each other.
The old - guard Olympians could be the main antagonists. They might see Percy as a threat now that he's the King of the Titans. They're used to being in power and might not want to share or give up any of their influence.
There could be a new Titan that we haven't seen before. This Titan could be more cunning and powerful than the others. Maybe he's been in hiding all this time, waiting for the right moment to emerge and lead the Titans to victory. He could manipulate Percy's friends against him and create all sorts of problems for our hero.