If you travel back and prevent your own existence, who traveled back? Explore the logical impossibility of self-negating timelines.
Information or objects with no discernible origin, existing only because they were sent back in time. The chicken-and-egg of causality.
Time travel events must be self-consistent. Any action taken by a time traveler was always part of history. Free will meets determinism.
Every decision creates a new timeline. Play across parallel realities where every choice you did not make was made by another you.