Source Code's "Simulation" Rules Explained: Is Colter Creating New Realities?

[هَـ-ђāŵĩ-ـَاوِيتم التحقق من هَـ-ђāŵĩ-ـَاوِي كعضو.]

Source Code's high-concept storyline leads to fast-paced action sequences set during an eight-minute time loop aboard a doomed train, but the scenario's countless repetitions come with additional meaning thanks to the movie's biggest twist. Despite leaning heavily into one specific sci-fi trope, Source Code's ending reveals Jake Gyllenhaal's Captain Colter Stevens is up against something entirely different, retroactively transforming the gravitas of all the movie's previous events. In short, Source Code doesn't fall into the category of traditionally cool time loop movies - it's something else entirely.
Daniel Bibby

Source Code's "Simulation" Rules Explained: Is Colter Creating New Realities?

Colter's journey is transformed at the end.

screenrant.com