I'm not sure which specific 'the longest children story' you are referring to. There could be various long children's stories out there, like 'The Arabian Nights' which has a collection of numerous tales within it.
One of the well - known long children's fantasy novels is 'The Lord of the Rings' by J.R.R. Tolkien. Although it can be considered an adult - oriented work as well, it has been widely read by children too. Another long one is 'A Song of Ice and Fire' series which has a strong fantasy element. However, the latter contains some adult - themed content in parts. 'The Chronicles of Narnia' series by C.S. Lewis is also fairly long and is a pure children's fantasy series.
The concept of the 'longest short story' can be quite subjective. Some might consider stories like 'The Dead' by James Joyce as a contender. It's a short story in terms of form but has a depth and lengthiness in its exploration of themes such as mortality, love, and Irish identity that gives it a sense of expansiveness.
There are many contenders for the 'longest online story'. Some web - based epic fantasies or science - fiction sagas could potentially be very long. Also, there are personal blogs that over the years have built up a large body of narrative. But determining the absolute longest would require extensive research into various online platforms, genres, and communities.
One of the games with a very long story is 'The Witcher 3: Wild Hunt'. It has a vast and complex narrative that spans multiple regions, with numerous quests and storylines that are deeply intertwined. The main plot alone is quite lengthy, and when you add in all the side quests and character backstories, it can keep you engaged for a very long time.
One game often considered to have a very long story is 'The Elder Scrolls V: Skyrim'. It has a vast and detailed world filled with numerous quests, backstories for characters, and a complex main plot that can keep players engaged for a long time.
The Elder Scrolls series is often regarded as having long and immersive storylines. With multiple installments and a rich fictional world, players can spend countless hours exploring the tales within.