The "FLT" archives hold a story that is deeply allegorical and open to interpretation. Key theories within the community include:
You must collect six fragments—one hidden in each of the game's biomes. These only spawn after the first successful completion of the game. Returnal-FLT.part03.rar
After gathering the fragments, you must visit Selene’s house in either Biome 1 or Biome 4 to trigger the final narrative sequence. The "FLT" archives hold a story that is
To reach the game's secret ending after the initial credits roll, players must complete . This involves a specific scavenger hunt across all previously visited areas: Returnal-FLT.part03.rar
While some biomes like the Derelict Citadel (Biome 3) have static set pieces, most of the environment shifts with each run.