diff --git a/README.md b/README.md
index cd8a974..d7591f8 100644
--- a/README.md
+++ b/README.md
@@ -103,6 +103,8 @@ Discs are matched by hash first (most precise), then serial, then filename.
 - `data/ps1_templates/` — optional PS1 Classics art templates
   (`ICON0.PNG` case frame, `PIC1.PNG` launch background); the app falls back
   to drawn art when they're absent.
+- `data/nps/` — NoPayStation TSV lists (cached here on first store scan; drop
+  `PSP_GAMES.tsv` / `PSX_GAMES.tsv` manually to work offline).
 - State dir (`~/.local/state/psp-preserve/` by default, or `$XDG_STATE_HOME/psp-preserve`):
   - `library.sqlite` — the catalog + library database.
   - `covers/` — downloaded cover cache.
@@ -282,7 +284,8 @@ Requirements & behaviour:
    writes `PSX/<TITLE_ID>/EBOOT.PBP`. Both then show up in the **Library**
    (PS1 Classics under **PS1**, PSP games under **Games**) and can be copied to
    the PSP like any other item.
-4. The TSV lists are cached in the state dir and refreshed on each store scan.
+4. The TSV lists are cached in `data/nps/` and refreshed on each store scan
+   (drop the `.tsv` files there manually to work offline).
 
 > **DRM note:** NPS content is PSN-DRM'd. To *run* it on the PSP you need the
 > [`npdrm_free`](https://github.com/qwikrazor87/npdrm_free) plugin (ARK and most
diff --git a/app/nopaystation.py b/app/nopaystation.py
index eca545a..6ba924f 100644
--- a/app/nopaystation.py
+++ b/app/nopaystation.py
@@ -36,8 +36,8 @@ def tsv_url(content_type: str, base: str = "") -> str:
     return f"{base}/{_TSV_NAMES.get(content_type, _TSV_NAMES['psp'])}"
 
 
-def _cache_dir() -> Path:
-    d = config.STATE_DIR / "nps"
+def _tsv_dir() -> Path:
+    d = config.DATA_DIR / "nps"
     d.mkdir(parents=True, exist_ok=True)
     return d
 
@@ -110,7 +110,7 @@ def fetch_items(content_type: str, url: str = "", timeout: int = 60) -> List[dic
     """Download (and cache) a TSV, returning parsed item dicts."""
     url = url or tsv_url(content_type)
     name = _TSV_NAMES.get(content_type, "PSP_GAMES.tsv")
-    cache = _cache_dir() / name
+    cache = _tsv_dir() / name
     if cache.is_file():
         try:
             return parse_tsv(cache.read_text(encoding="utf-8", errors="replace"), content_type)
diff --git a/data/nps/README.md b/data/nps/README.md
new file mode 100644
index 0000000..2778760
--- /dev/null
+++ b/data/nps/README.md
@@ -0,0 +1,2 @@
+# NoPayStation TSV lists are cached here (downloaded on first store scan).
+# You can also drop PSP_GAMES.tsv / PSX_GAMES.tsv here manually to work offline.