diff --git a/fetch_games.py b/fetch_games.py
index 8867ab7..e11b342 100644
--- a/fetch_games.py
+++ b/fetch_games.py
@@ -28,7 +28,8 @@ session = requests_cache.CachedSession(
 
 
 class GameInfo:
-    def __init__(self, game_id: int, num_players: int, variant_id: int, seed: str, score: int, num_turns: int, user_ids: List[int], normalized_usernames: List[str]):
+    def __init__(self, game_id: int, num_players: int, variant_id: int, seed: str, score: int, num_turns: int,
+                 user_ids: List[int], normalized_usernames: List[str]):
         self.game_id = game_id
         self.num_players = num_players
         self.variant_id = variant_id
@@ -188,6 +189,7 @@ def detailed_fetch_game(game_id: int) -> bool:
     @param game_id: Game ID from hanab.live
     @return: Whether the processed game was accepted as a league game, i.e. inserted into the DB
     """
+    logger.verbose("Fetching details on game {}.".format(game_id))
     url = "https://hanab.live/export/{}".format(game_id)
     response = session.get(url)
     if not response.status_code == 200:
@@ -263,6 +265,36 @@ def detailed_fetch_game(game_id: int) -> bool:
     conn.commit()
 
     # It remains to store the seed and action data for this game
+    # Note that we store the seed first. This ensures that whenever we have actions stored, we also have the seed stored.
     games_db_interface.store_deck_for_seed(seed, instance.deck)
     games_db_interface.store_actions(game_id, actions)
+    logger.debug("Fetched all game details of game {}.".format(game_id))
     return True
+
+
+def fetch_all_game_details():
+    logger.info("Fetching detailed game data for all games.")
+    cur = conn_manager.get_new_cursor()
+
+    # Get all games with no actions
+    cur.execute("SELECT id FROM games "
+                "LEFT OUTER JOIN game_actions"
+                "  ON games.id = game_actions.game_id "
+                "WHERE game_actions.game_id IS NULL"
+                )
+    for (game_id,) in cur.fetchall():
+        detailed_fetch_game(game_id)
+
+    # Just to make sure, check that we have data on all seeds
+    cur.execute("SELECT id FROM games "
+                "LEFT OUTER JOIN seeds"
+                "  ON seeds.seed = games.seed "
+                "WHERE seeds.seed IS NULL"
+                )
+    games_without_seeds = [game_id for (game_id,) in cur.fetchall()]
+    if len(games_without_seeds) != 0:
+        logger.warn("Detected the following games without seed data, but with actions already stored: {}."
+                    "Fetching them now".format(", ".join(games_without_seeds))
+                    )
+        for game_id in games_without_seeds:
+            detailed_fetch_game(game_id)