So long and thanks for all the fish

So long and thanks for all the fish is an achievement in Factorio; it is a named entry in the game's achievement system and appears in the player's achievement list and profile. No additional structural data or unlock conditions were provided here, so only its identity as an achievement can be stated: it functions like other achievements in the game by being tracked and awarded to players when its specific, in-game condition is met. The name shown is the localized target_locale form, "So long and thanks for all the fish."