Where Are Ninja Gaiden 4 Save Files Located?
Ninja Gaiden 4 save folder on PC, with its spaceless directory name and checkpoint-only save system.
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Ninja Gaiden 4 keeps saves in a folder named NINJAGAIDEN4 with no spaces, directly under local AppData. The files are SlotData, GameData and SystemData .dat files rather than one file per slot, so a backup means copying several files together.
The game saves at checkpoints and at chapter ends, with no free manual save in the middle of a mission. That design is why save swapping guides insist on finishing chapter one first. Two active save slots make the transfer behave, while a single slot import often gets ignored.
Where Ninja Gaiden 4 stores this, by platform
%LOCALAPPDATA%\NINJAGAIDEN4
Type %LOCALAPPDATA%\NINJAGAIDEN4 into the Explorer address bar. Disable Steam Cloud before replacing files, then launch the game once before turning it back on.
~/.steam/steam/steamapps/compatdata/2627260/pfx
Proton folder for app ID 2627260. Inside the pfx directory, follow drive_c\users\steamuser\AppData\Local\NINJAGAIDEN4 to reach the same .dat files.
Frequently asked questions
how do i install a downloaded ninja gaiden 4 save
Turn off Steam Cloud first, then copy SlotData, GameData and SystemData .dat files over your own with the game closed. Re-enable the cloud after launching once, or the cloud copy overwrites the transplant.
how do i back up ninja gaiden 4 properly
Finish a chapter and save at the chapter end screen so both save slots exist, then copy the whole NINJAGAIDEN4 folder elsewhere. A single mid chapter checkpoint is not enough to capture both slots.
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