Yes, it is. 'All Is Lost' is inspired by real-life survival situations.
It is. The movie takes elements from various true survival stories and weaves them into the plot. The characters and their experiences have roots in reality, giving the film an authentic feel.
Yes. 'All Is Lost' is based on true events, although it might have some fictionalized aspects to make it more engaging for the audience. The core of the story, however, has a basis in real-life challenges and circumstances.