diff --git a/BaseClasses.py b/BaseClasses.py
index e818f629..a61efe57 100644
--- a/BaseClasses.py
+++ b/BaseClasses.py
@@ -1177,6 +1177,7 @@ class Spoiler():
         return json.dumps(out)
 
     def to_file(self, filename):
+        from worlds.AutoWorld import call_all, call_single, call_stage
         self.parse_data()
 
         def bool_to_text(variable: Union[bool, str]) -> str:
@@ -1198,6 +1199,7 @@ class Spoiler():
                     Utils.__version__, self.world.seed))
             outfile.write('Filling Algorithm:               %s\n' % self.world.algorithm)
             outfile.write('Players:                         %d\n' % self.world.players)
+            call_stage(self.world, "write_spoiler_header", outfile)
 
             for player in range(1, self.world.players + 1):
                 if self.world.players > 1:
@@ -1211,6 +1213,7 @@ class Spoiler():
                 if options:
                     for f_option, option in options.items():
                         write_option(f_option, option)
+                call_single(self.world, "write_spoiler_header", player, outfile)
 
                 if player in self.world.get_game_players("A Link to the Past"):
                     outfile.write('%s%s\n' % ('Hash: ', self.hashes[player]))
@@ -1260,13 +1263,8 @@ class Spoiler():
                 outfile.write('\n\nMedallions:\n')
                 for dungeon, medallion in self.medallions.items():
                     outfile.write(f'\n{dungeon}: {medallion}')
-            factorio_players = self.world.get_game_players("Factorio")
-            if factorio_players:
-                outfile.write('\n\nRecipes:\n')
-                for player in factorio_players:
-                    name = self.world.get_player_name(player)
-                    for recipe in self.world.worlds[player].custom_recipes.values():
-                        outfile.write(f"\n{recipe.name} ({name}): {recipe.ingredients} -> {recipe.products}")
+
+            call_all(self.world, "write_spoiler", outfile)
 
             outfile.write('\n\nLocations:\n\n')
             outfile.write('\n'.join(
@@ -1307,6 +1305,7 @@ class Spoiler():
                     path_listings.append("{}\n        {}".format(location, "\n   =>   ".join(path_lines)))
 
                 outfile.write('\n'.join(path_listings))
+            call_all(self.world, "write_spoiler_end", outfile)
 
 
 seeddigits = 20
diff --git a/worlds/AutoWorld.py b/worlds/AutoWorld.py
index 6894d665..9ec9bb40 100644
--- a/worlds/AutoWorld.py
+++ b/worlds/AutoWorld.py
@@ -1,5 +1,5 @@
 from __future__ import annotations
-from typing import Dict, Set, Tuple, List, Optional
+from typing import Dict, Set, Tuple, List, Optional, TextIO
 
 from BaseClasses import MultiWorld, Item, CollectionState, Location
 from Options import Option
@@ -172,6 +172,20 @@ class World(metaclass=AutoWorldRegister):
     def get_required_client_version(self) -> Tuple[int, int, int]:
         return 0, 1, 6
 
+    # Spoiler writing is optional, these may not get called.
+    def write_spoiler_header(self, spoiler_handle: TextIO):
+        """Write to the spoiler header. If individual it's right at the end of that player's options,
+        if as stage it's right under the common header before per-player options."""
+        pass
+
+    def write_spoiler(self, spoiler_handle: TextIO):
+        """Write to the spoiler "middle", this is after the per-player options and before locations,
+        meant for useful or interesting info."""
+        pass
+
+    def write_spoiler_end(self, spoiler_handle: TextIO):
+        """Write to the end of the spoiler"""
+        pass
     # end of ordered Main.py calls
 
     def collect_item(self, state: CollectionState, item: Item, remove: bool = False) -> Optional[str]:
diff --git a/worlds/factorio/__init__.py b/worlds/factorio/__init__.py
index fa446759..1834e4ff 100644
--- a/worlds/factorio/__init__.py
+++ b/worlds/factorio/__init__.py
@@ -167,6 +167,15 @@ class Factorio(World):
 
     options = factorio_options
 
+    @classmethod
+    def stage_write_spoiler(cls, world, spoiler_handle):
+        factorio_players = world.get_game_players(cls.game)
+        spoiler_handle.write('\n\nFactorio Recipes:\n')
+        for player in factorio_players:
+            name = world.get_player_name(player)
+            for recipe in world.worlds[player].custom_recipes.values():
+                spoiler_handle.write(f"\n{recipe.name} ({name}): {recipe.ingredients} -> {recipe.products}")
+
     def make_balanced_recipe(self, original: Recipe, pool: list, factor: float = 1) -> Recipe:
         """Generate a recipe from pool with time and cost similar to original * factor"""
         new_ingredients = {}