Winning accounts. A success story is about achieving a positive result, and a winning account is another way to describe that. It could be about an individual winning a competition, or a business winning in the market. Another aspect is that these stories are often inspiring, and success sagas can have the same effect, making people look up to those who have achieved great things.
Sure. One synonym could be the success memoir. It's like a personal account of one's success, similar to a memoir but specifically about success. Then there's the triumph report which gives details about the triumph or success. Also, the accomplishment chronicle which chronicles all the accomplishments and can be seen as a synonym for success story.
Success chronicle, accomplishment narrative.
Success sagas, winning yarns.
Definitely. 'Fable' can be considered a synonym in a sense as it is a short story with a moral. 'Legend' is also related as it is a traditional story often passed down through generations. And 'myth' can be seen as a synonym too, although it usually involves elements of the supernatural or religious beliefs in a fictional story context.
There are also "saga" and "epic" which can be synonyms for certain types of fiction. A saga is a long story, often about a family or a group over a long period of time, and an epic is a long narrative poem or story usually about heroic deeds. Fiction can also be known as "fictionry", which is a less common but still valid synonym.
Achievement tales, victory chronicles, accomplishment accounts.
Sure. Depressing stories are one type of synonym. They tend to make you feel down. Also, forlorn stories. Forlorn gives a sense of being lonely and sad. And then there are desolate stories, which convey a feeling of emptiness and sadness.
There are quite a few. 'Spin' can be used as in 'spin a story'. It gives a sense of creating the story as you go. 'Rehearse' can also be considered in some cases, like when you rehearse a story you are about to tell. Also, 'convey' is a synonym as it means to transfer or communicate the story.
Sure, 'Sci - fi' is a very common synonym. It's a short and catchy way to refer to science fiction.