Sometimes things aren't what they seem. Tag for ep 1.6, Skin. Sam/Jess, hints of Sam/Dean if you squint.
AU after episode 6.22, "The Man Who Knew Too Much." Sam's wall crashes. Sam/Dean. Non-linear narrative. Rated for graphic hell imagery and brief mentions of rape.
Slight AU for episode 10.3, "Soul Survivor," with some minor spoilers. Written for the prompt: "For whatever reason, Sam has to cut or shave off all his hair. For reasons nobody around him really understands, it's extremely hard for him. Cue dean/cas/whoever trying to understand/comfort him." Title, of course, comes from Metallica's "The Unforgiven." Gen.
Sam leaves home at sixteen to escape two things: a growing attraction to his older brother, and an angry and abusive father who blames him for his mother's death. With nothing to his name save his experience hunting and his determination to escape it, he turns to prostitution to support himself through high school and then college. AU with lots of hurt Sam and eventual Wincest.
Sam was six months old the first time Dean saved him. (Vague-ish spoilers for season 10, non-explicit Sam/Dean)
Dean follows through on his promise. A sequel to "Gonna Get It." Sam/Dean. Betaed by the marvelous dljensengirl88.
Dean's had enough of Sam's misbehavior, and lets Sam know what to expect from here on out. Sam/Dean.
A canon-based AU set after 8.23, "Sacrifice," in which Sam doesn't need help from Gadreel and gets better all on his own, thank you very much, and Kevin is still alive, and the Winchesters decide to show Cas what the holidays are all about. Sam/Cas
Halloween hijinks and accidental Wincest. Betaed by the lovely Shadow's Daughter.