A review of the official walkthrough reveals the precise conditions: "Secret files are unlocked via survival mode" . More specifically, Japanese guides from the era clarify that after achieving all "Good Ends" in the main story, players must conquer Survival Mode to obtain the secret files. Completing floors 20, 30, and 40 in this mode is the key to compiling the entire collection .
Most files have minimal impact on the actual plot but serve as completionist rewards for mastering the combat system. Tips for Unlocking Save Scumming: baldr sky secret files
For players who have cleared the game and reached the true ending, tracking down translated translated portions of these Secret Files offers the closure and context needed to fully appreciate the narrative genius of Giga's magnum opus. A review of the official walkthrough reveals the
The Secret Files act as an in-game encyclopedia and rewards system. They are primarily used for: Most files have minimal impact on the actual
It assumes you have completed the main game — specifically all routes including True End (Sora’s route) — otherwise most content will be pure spoilers or lack context.
For hardcore players, uncovering these files is essential to fully understanding the tragic "Gray Christmas" incident and the true nature of the AI entities governing the network. Key Lore Revelations Hidden in the Data