diff --git a/examples/modular/environment/modules/pub_coordination_capetown.py b/examples/modular/environment/modules/pub_coordination_capetown.py
index f7220a8..8cbadae 100644
--- a/examples/modular/environment/modules/pub_coordination_capetown.py
+++ b/examples/modular/environment/modules/pub_coordination_capetown.py
@@ -21,7 +21,7 @@
 MONTH = 10
 DAY = 14
 
-NUM_PUBS = 2
+NUM_PUBS = 3
 
 PUB_PREFERENCES = {
     "The Springbok's Lair": [
@@ -213,6 +213,8 @@ def sample_parameters(seed: int | None = None):
       venue_preferences=pub_preferences,
       social_context=SOCIAL_CONTEXT,
       random_seed=seed,
+      num_main_players=6,
+      num_supporting_players=0,
   )
 
   all_names = list(MALE_NAMES) + list(FEMALE_NAMES)
diff --git a/examples/modular/environment/modules/pub_coordination_edinburgh_closures.py b/examples/modular/environment/modules/pub_coordination_edinburgh_closures.py
new file mode 100644
index 0000000..5cdaf5c
--- /dev/null
+++ b/examples/modular/environment/modules/pub_coordination_edinburgh_closures.py
@@ -0,0 +1,204 @@
+# Copyright 2024 DeepMind Technologies Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""A set of pub names and reasons to like them."""
+
+import random
+from examples.modular.environment import pub_coordination
+
+YEAR = 2023
+MONTH = 10
+DAY = 14
+
+NUM_PUBS = 3
+
+PUB_PREFERENCES = {
+    "Sandy Bell's": [
+        "Traditional pub with a lively atmosphere",
+        "Known for its folk music sessions",
+        "Wide selection of Scottish beers and whiskies",
+        "Friendly staff and a welcoming environment",
+    ],
+    "The Salt Horse": [
+        "Cozy and intimate setting with a fireplace",
+        "Rotating selection of craft beers on tap",
+        "Delicious pub fare with locally sourced ingredients",
+        "Great for a quiet pint or a catch-up with friends",
+    ],
+    "The Sheep Held Inn": [
+        "Historic pub with a charming atmosphere",
+        "Large beer garden with stunning views of the city",
+        "Gastropub menu with a focus on Scottish cuisine",
+        "Perfect for a special occasion or a romantic evening",
+    ],
+    "The Canny Man's": [
+        "Quirky and eclectic pub with a unique atmosphere",
+        "Wide range of international beers and spirits",
+        "Hidden gem with a loyal local following",
+        "Great for a conversation and a relaxed drink",
+    ],
+    "The Guildford Arms": [
+        "Traditional pub with a Victorian interior",
+        "Popular with students and locals alike",
+        "Affordable prices and a lively atmosphere",
+        "Perfect for a casual night out with friends",
+    ],
+    "The Bow Bar": [
+        "Wide selection of whiskies and real ales",
+        "Knowledgeable staff who can recommend a dram",
+        "Traditional pub with a relaxed atmosphere",
+        "Great for a whisky tasting or a quiet pint",
+    ],
+    "The Blue Moon": [
+        "Historic pub with a literary connection",
+        "Cozy and intimate setting with a fireplace",
+        "Wide selection of Scottish gins and cocktails",
+        "Perfect for a romantic date or a special occasion",
+    ],
+    "The Ensign Ewart": [
+        "Traditional pub with a military history",
+        "Located near Edinburgh Castle",
+        "Popular with tourists and locals alike",
+        "Great for a pint and a bite to eat after sightseeing",
+    ],
+    "The Hanging Bat": [
+        "Craft beer bar with a wide selection of international beers",
+        "Lively atmosphere with regular events and live music",
+        "Great for a night out with friends",
+        "Popular with beer enthusiasts",
+    ],
+}
+
+
+SOCIAL_CONTEXT = [
+    (
+        "The Royal Mile is bustling with tourists and street performers."
+        " {players} navigate the crowds, admiring the historic buildings. The"
+        " sound of bagpipes fills the air. {player_name} just arrived, their"
+        " eyes wide with excitement."
+    ),
+    (
+        "A cool mist hangs over the city as {players} climb Calton Hill. The "
+        "view from the top is breathtaking, with the cityscape stretching out "
+        "before them. They pause to catch their breath, admiring the panoramic "
+        "vista. {player_name} just arrived, their face flushed from the climb."
+    ),
+    (
+        "The aroma of coffee fills the air in Stockbridge. {players} stroll "
+        "along the charming streets, browsing the independent shops and cafes. "
+        "They stop for a coffee and a pastry, enjoying the relaxed atmosphere. "
+        "{player_name} just arrived, their smile widening at the sight of the "
+        "quaint neighborhood."
+    ),
+    (
+        "The sound of laughter echoes through the Grassmarket as {players}"
+        " explore the lively market stalls. They haggle for souvenirs and"
+        " sample local delicacies. The atmosphere is festive and vibrant."
+        " {player_name} just arrived, their senses bombarded with the sights,"
+        " sounds, and smells."
+    ),
+    (
+        "The sun sets over the Firth of Forth, casting a golden glow on the"
+        " water. {players} walk along Portobello Beach, enjoying the fresh air"
+        " and the sound of the waves. They find a bench and watch the sun dip"
+        " below the horizon. {player_name} just arrived, their heart filled"
+        " with a sense of peace."
+    ),
+]
+
+RUGBY_COUNTRIES = [
+    "South Africa",
+    "New Zealand",
+    "France",
+    "Ireland",
+    "England",
+    "Australia",
+    "Argentina",
+    "Wales",
+    "Scotland",
+    "Fiji",
+    "Japan",
+    "Italy",
+    "Samoa",
+    "Georgia",
+    "Tonga",
+    "Romania",
+    "Namibia",
+    "Uruguay",
+    "Chile",
+    "Portugal",
+]
+
+FEMALE_NAMES = [
+    "Ailsa MacDonald",
+    "Catriona Campbell",
+    "Fiona Stewart",
+    "Isla MacLeod",
+    "Morag MacKay",
+    "Shona Cameron",
+    "Iona Ross",
+    "Mhairi Wilson",
+    "Kirsty Robertson",
+    "Eilidh Davidson",
+]
+
+MALE_NAMES = [
+    "Angus Graham",
+    "Calum Scott",
+    "Douglas Reid",
+    "Euan Murray",
+    "Fraser Clark",
+    "Hamish Taylor",
+    "Iain Brown",
+    "Malcolm Mitchell",
+    "Niall Thomson",
+    "Rory Stewart",
+]
+
+
+def sample_parameters(seed: int | None = None):
+  """Samples a set of parameters for the world configuration."""
+
+  seed = seed if seed is not None else random.getrandbits(63)
+  rng = random.Random(seed)
+
+  pubs = rng.sample(list(PUB_PREFERENCES.keys()), NUM_PUBS)
+  pub_preferences = {k: PUB_PREFERENCES[k] for k in pubs}
+
+  config = pub_coordination.WorldConfig(
+      year=YEAR,
+      location="Edinburgh",
+      event="The Rugby World Cup",
+      game_countries=RUGBY_COUNTRIES,
+      venues=pubs,
+      venue_preferences=pub_preferences,
+      social_context=SOCIAL_CONTEXT,
+      random_seed=seed,
+      pub_closed_probability=1.0,
+      num_games=5,
+      num_main_players=6,
+      num_supporting_players=0,
+      )
+
+  all_names = list(MALE_NAMES) + list(FEMALE_NAMES)
+
+  rng.shuffle(all_names)
+  config.people = all_names
+
+  for _, name in enumerate(MALE_NAMES):
+    config.person_data[name] = {"gender": "male"}
+  for _, name in enumerate(FEMALE_NAMES):
+    config.person_data[name] = {"gender": "female"}
+
+  return config
diff --git a/examples/modular/environment/modules/pub_coordination_edinburgh_friendship.py b/examples/modular/environment/modules/pub_coordination_edinburgh_friendship.py
new file mode 100644
index 0000000..5aa983b
--- /dev/null
+++ b/examples/modular/environment/modules/pub_coordination_edinburgh_friendship.py
@@ -0,0 +1,258 @@
+# Copyright 2024 DeepMind Technologies Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""A set of pub names and reasons to like them."""
+
+from collections.abc import Sequence
+import random
+
+from examples.modular.environment import pub_coordination
+
+
+YEAR = 2023
+MONTH = 10
+DAY = 14
+
+NUM_PUBS = 2
+
+PUB_PREFERENCES = {
+    "Sandy Bell's": [
+        "Traditional pub with a lively atmosphere",
+        "Known for its folk music sessions",
+        "Wide selection of Scottish beers and whiskies",
+        "Friendly staff and a welcoming environment",
+    ],
+    "The Salt Horse": [
+        "Cozy and intimate setting with a fireplace",
+        "Rotating selection of craft beers on tap",
+        "Delicious pub fare with locally sourced ingredients",
+        "Great for a quiet pint or a catch-up with friends",
+    ],
+    "The Sheep Held Inn": [
+        "Historic pub with a charming atmosphere",
+        "Large beer garden with stunning views of the city",
+        "Gastropub menu with a focus on Scottish cuisine",
+        "Perfect for a special occasion or a romantic evening",
+    ],
+    "The Canny Man's": [
+        "Quirky and eclectic pub with a unique atmosphere",
+        "Wide range of international beers and spirits",
+        "Hidden gem with a loyal local following",
+        "Great for a conversation and a relaxed drink",
+    ],
+    "The Guildford Arms": [
+        "Traditional pub with a Victorian interior",
+        "Popular with students and locals alike",
+        "Affordable prices and a lively atmosphere",
+        "Perfect for a casual night out with friends",
+    ],
+    "The Bow Bar": [
+        "Wide selection of whiskies and real ales",
+        "Knowledgeable staff who can recommend a dram",
+        "Traditional pub with a relaxed atmosphere",
+        "Great for a whisky tasting or a quiet pint",
+    ],
+    "The Blue Moon": [
+        "Historic pub with a literary connection",
+        "Cozy and intimate setting with a fireplace",
+        "Wide selection of Scottish gins and cocktails",
+        "Perfect for a romantic date or a special occasion",
+    ],
+    "The Ensign Ewart": [
+        "Traditional pub with a military history",
+        "Located near Edinburgh Castle",
+        "Popular with tourists and locals alike",
+        "Great for a pint and a bite to eat after sightseeing",
+    ],
+    "The Hanging Bat": [
+        "Craft beer bar with a wide selection of international beers",
+        "Lively atmosphere with regular events and live music",
+        "Great for a night out with friends",
+        "Popular with beer enthusiasts",
+    ],
+}
+
+
+SOCIAL_CONTEXT = [
+    (
+        "The Royal Mile is bustling with tourists and street performers."
+        " {players} navigate the crowds, admiring the historic buildings. The"
+        " sound of bagpipes fills the air. {player_name} just arrived, their"
+        " eyes wide with excitement."
+    ),
+    (
+        "A cool mist hangs over the city as {players} climb Calton Hill. The "
+        "view from the top is breathtaking, with the cityscape stretching out "
+        "before them. They pause to catch their breath, admiring the panoramic "
+        "vista. {player_name} just arrived, their face flushed from the climb."
+    ),
+    (
+        "The aroma of coffee fills the air in Stockbridge. {players} stroll "
+        "along the charming streets, browsing the independent shops and cafes. "
+        "They stop for a coffee and a pastry, enjoying the relaxed atmosphere. "
+        "{player_name} just arrived, their smile widening at the sight of the "
+        "quaint neighborhood."
+    ),
+    (
+        "The sound of laughter echoes through the Grassmarket as {players}"
+        " explore the lively market stalls. They haggle for souvenirs and"
+        " sample local delicacies. The atmosphere is festive and vibrant."
+        " {player_name} just arrived, their senses bombarded with the sights,"
+        " sounds, and smells."
+    ),
+    (
+        "The sun sets over the Firth of Forth, casting a golden glow on the"
+        " water. {players} walk along Portobello Beach, enjoying the fresh air"
+        " and the sound of the waves. They find a bench and watch the sun dip"
+        " below the horizon. {player_name} just arrived, their heart filled"
+        " with a sense of peace."
+    ),
+]
+
+RUGBY_COUNTRIES = [
+    "South Africa",
+    "New Zealand",
+    "France",
+    "Ireland",
+    "England",
+    "Australia",
+    "Argentina",
+    "Wales",
+    "Scotland",
+    "Fiji",
+    "Japan",
+    "Italy",
+    "Samoa",
+    "Georgia",
+    "Tonga",
+    "Romania",
+    "Namibia",
+    "Uruguay",
+    "Chile",
+    "Portugal",
+]
+
+FEMALE_NAMES = [
+    "Ailsa MacDonald",
+    "Catriona Campbell",
+    "Fiona Stewart",
+    "Isla MacLeod",
+    "Morag MacKay",
+    "Shona Cameron",
+    "Iona Ross",
+    "Mhairi Wilson",
+    "Kirsty Robertson",
+    "Eilidh Davidson",
+]
+
+MALE_NAMES = [
+    "Angus Graham",
+    "Calum Scott",
+    "Douglas Reid",
+    "Euan Murray",
+    "Fraser Clark",
+    "Hamish Taylor",
+    "Iain Brown",
+    "Malcolm Mitchell",
+    "Niall Thomson",
+    "Rory Stewart",
+]
+
+
+def _make_empty_relationship_matrix(names: Sequence[str]):
+  """Samples a symmetric matrix of relationships in a group.
+
+  Args:
+      names: A list of strings representing the names of individuals in the
+        group.
+
+  Returns:
+      A dictionary representing the symmetric relationship matrix, where:
+          - Keys are names from the 'names' list.
+          - Values are dictionaries, where:
+              - Keys are also names from the 'names' list.
+              - Values are either 0.0 or 1.0, representing the relationship
+              between two individuals.
+          - The matrix is symmetric: m[a][b] == m[b][a]
+          - Diagonal elements are 1: m[a][a] == 1
+  """
+
+  m = {}
+  for a in names:
+    m[a] = {}
+    for b in names:
+      if a == b:
+        m[a][b] = 1.0  # Diagonal elements are 1
+      elif b in m and a in m[b]:
+        m[a][b] = m[b][a]  # Ensure symmetry
+      else:
+        m[a][b] = 0.0  # No relationship
+
+  return m
+
+
+def sample_parameters(seed: int | None = None):
+  """Samples a set of parameters for the world configuration."""
+
+  seed = seed if seed is not None else random.getrandbits(63)
+  rng = random.Random(seed)
+
+  pubs = rng.sample(list(PUB_PREFERENCES.keys()), NUM_PUBS)
+  pub_preferences = {k: PUB_PREFERENCES[k] for k in pubs}
+
+  config = pub_coordination.WorldConfig(
+      year=YEAR,
+      location="Edinburgh",
+      event="The Rugby World Cup",
+      game_countries=RUGBY_COUNTRIES,
+      venues=pubs,
+      venue_preferences=pub_preferences,
+      social_context=SOCIAL_CONTEXT,
+      random_seed=seed,
+      pub_closed_probability=1.0,
+      num_games=4,
+      num_main_players=5,
+      num_supporting_players=0,
+  )
+
+  all_names = list(MALE_NAMES) + list(FEMALE_NAMES)
+
+  rng.shuffle(all_names)
+  config.people = all_names
+
+  for _, name in enumerate(MALE_NAMES):
+    config.person_data[name] = {"gender": "male", "favorite_pub": pubs[0]}
+  for _, name in enumerate(FEMALE_NAMES):
+    config.person_data[name] = {"gender": "female", "favorite_pub": pubs[0]}
+
+  m = _make_empty_relationship_matrix(config.people[: config.num_main_players])
+
+  # Make the first two players friends.
+  visitor_name = config.people[0]
+  friend_name = config.people[1]
+  m[visitor_name][friend_name] = 1.0
+  m[friend_name][visitor_name] = 1.0
+
+  # Make the rest of the players friends with everyone but the first two.
+  for i in config.people[2 : config.num_main_players]:
+    for j in config.people[2 : config.num_main_players]:
+      m[i][j] = 1.0
+      m[j][i] = 1.0
+
+  config.person_data[visitor_name]["favorite_pub"] = pubs[1]
+  config.person_data[friend_name]["favorite_pub"] = pubs[1]
+
+  config.relationship_matrix = m
+
+  return config
diff --git a/examples/modular/environment/modules/pub_coordination_edinburgh_tough_friendship.py b/examples/modular/environment/modules/pub_coordination_edinburgh_tough_friendship.py
new file mode 100644
index 0000000..fe70ca7
--- /dev/null
+++ b/examples/modular/environment/modules/pub_coordination_edinburgh_tough_friendship.py
@@ -0,0 +1,258 @@
+# Copyright 2024 DeepMind Technologies Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""A set of pub names and reasons to like them."""
+
+from collections.abc import Sequence
+import random
+
+from examples.modular.environment import pub_coordination
+
+
+YEAR = 2023
+MONTH = 10
+DAY = 14
+
+NUM_PUBS = 2
+
+PUB_PREFERENCES = {
+    "Sandy Bell's": [
+        "Traditional pub with a lively atmosphere",
+        "Known for its folk music sessions",
+        "Wide selection of Scottish beers and whiskies",
+        "Friendly staff and a welcoming environment",
+    ],
+    "The Salt Horse": [
+        "Cozy and intimate setting with a fireplace",
+        "Rotating selection of craft beers on tap",
+        "Delicious pub fare with locally sourced ingredients",
+        "Great for a quiet pint or a catch-up with friends",
+    ],
+    "The Sheep Held Inn": [
+        "Historic pub with a charming atmosphere",
+        "Large beer garden with stunning views of the city",
+        "Gastropub menu with a focus on Scottish cuisine",
+        "Perfect for a special occasion or a romantic evening",
+    ],
+    "The Canny Man's": [
+        "Quirky and eclectic pub with a unique atmosphere",
+        "Wide range of international beers and spirits",
+        "Hidden gem with a loyal local following",
+        "Great for a conversation and a relaxed drink",
+    ],
+    "The Guildford Arms": [
+        "Traditional pub with a Victorian interior",
+        "Popular with students and locals alike",
+        "Affordable prices and a lively atmosphere",
+        "Perfect for a casual night out with friends",
+    ],
+    "The Bow Bar": [
+        "Wide selection of whiskies and real ales",
+        "Knowledgeable staff who can recommend a dram",
+        "Traditional pub with a relaxed atmosphere",
+        "Great for a whisky tasting or a quiet pint",
+    ],
+    "The Blue Moon": [
+        "Historic pub with a literary connection",
+        "Cozy and intimate setting with a fireplace",
+        "Wide selection of Scottish gins and cocktails",
+        "Perfect for a romantic date or a special occasion",
+    ],
+    "The Ensign Ewart": [
+        "Traditional pub with a military history",
+        "Located near Edinburgh Castle",
+        "Popular with tourists and locals alike",
+        "Great for a pint and a bite to eat after sightseeing",
+    ],
+    "The Hanging Bat": [
+        "Craft beer bar with a wide selection of international beers",
+        "Lively atmosphere with regular events and live music",
+        "Great for a night out with friends",
+        "Popular with beer enthusiasts",
+    ],
+}
+
+
+SOCIAL_CONTEXT = [
+    (
+        "The Royal Mile is bustling with tourists and street performers."
+        " {players} navigate the crowds, admiring the historic buildings. The"
+        " sound of bagpipes fills the air. {player_name} just arrived, their"
+        " eyes wide with excitement."
+    ),
+    (
+        "A cool mist hangs over the city as {players} climb Calton Hill. The "
+        "view from the top is breathtaking, with the cityscape stretching out "
+        "before them. They pause to catch their breath, admiring the panoramic "
+        "vista. {player_name} just arrived, their face flushed from the climb."
+    ),
+    (
+        "The aroma of coffee fills the air in Stockbridge. {players} stroll "
+        "along the charming streets, browsing the independent shops and cafes. "
+        "They stop for a coffee and a pastry, enjoying the relaxed atmosphere. "
+        "{player_name} just arrived, their smile widening at the sight of the "
+        "quaint neighborhood."
+    ),
+    (
+        "The sound of laughter echoes through the Grassmarket as {players}"
+        " explore the lively market stalls. They haggle for souvenirs and"
+        " sample local delicacies. The atmosphere is festive and vibrant."
+        " {player_name} just arrived, their senses bombarded with the sights,"
+        " sounds, and smells."
+    ),
+    (
+        "The sun sets over the Firth of Forth, casting a golden glow on the"
+        " water. {players} walk along Portobello Beach, enjoying the fresh air"
+        " and the sound of the waves. They find a bench and watch the sun dip"
+        " below the horizon. {player_name} just arrived, their heart filled"
+        " with a sense of peace."
+    ),
+]
+
+RUGBY_COUNTRIES = [
+    "South Africa",
+    "New Zealand",
+    "France",
+    "Ireland",
+    "England",
+    "Australia",
+    "Argentina",
+    "Wales",
+    "Scotland",
+    "Fiji",
+    "Japan",
+    "Italy",
+    "Samoa",
+    "Georgia",
+    "Tonga",
+    "Romania",
+    "Namibia",
+    "Uruguay",
+    "Chile",
+    "Portugal",
+]
+
+FEMALE_NAMES = [
+    "Ailsa MacDonald",
+    "Catriona Campbell",
+    "Fiona Stewart",
+    "Isla MacLeod",
+    "Morag MacKay",
+    "Shona Cameron",
+    "Iona Ross",
+    "Mhairi Wilson",
+    "Kirsty Robertson",
+    "Eilidh Davidson",
+]
+
+MALE_NAMES = [
+    "Angus Graham",
+    "Calum Scott",
+    "Douglas Reid",
+    "Euan Murray",
+    "Fraser Clark",
+    "Hamish Taylor",
+    "Iain Brown",
+    "Malcolm Mitchell",
+    "Niall Thomson",
+    "Rory Stewart",
+]
+
+
+def _make_empty_relationship_matrix(names: Sequence[str]):
+  """Samples a symmetric matrix of relationships in a group.
+
+  Args:
+      names: A list of strings representing the names of individuals in the
+        group.
+
+  Returns:
+      A dictionary representing the symmetric relationship matrix, where:
+          - Keys are names from the 'names' list.
+          - Values are dictionaries, where:
+              - Keys are also names from the 'names' list.
+              - Values are either 0.0 or 1.0, representing the relationship
+              between two individuals.
+          - The matrix is symmetric: m[a][b] == m[b][a]
+          - Diagonal elements are 1: m[a][a] == 1
+  """
+
+  m = {}
+  for a in names:
+    m[a] = {}
+    for b in names:
+      if a == b:
+        m[a][b] = 1.0  # Diagonal elements are 1
+      elif b in m and a in m[b]:
+        m[a][b] = m[b][a]  # Ensure symmetry
+      else:
+        m[a][b] = 0.0  # No relationship
+
+  return m
+
+
+def sample_parameters(seed: int | None = None):
+  """Samples a set of parameters for the world configuration."""
+
+  seed = seed if seed is not None else random.getrandbits(63)
+  rng = random.Random(seed)
+
+  pubs = rng.sample(list(PUB_PREFERENCES.keys()), NUM_PUBS)
+  pub_preferences = {k: PUB_PREFERENCES[k] for k in pubs}
+
+  config = pub_coordination.WorldConfig(
+      year=YEAR,
+      location="Edinburgh",
+      event="The Rugby World Cup",
+      game_countries=RUGBY_COUNTRIES,
+      venues=pubs,
+      venue_preferences=pub_preferences,
+      social_context=SOCIAL_CONTEXT,
+      random_seed=seed,
+      pub_closed_probability=1.0,
+      num_games=4,
+      num_main_players=5,
+      num_supporting_players=0,
+  )
+
+  all_names = list(MALE_NAMES) + list(FEMALE_NAMES)
+
+  rng.shuffle(all_names)
+  config.people = all_names
+
+  for _, name in enumerate(MALE_NAMES):
+    config.person_data[name] = {"gender": "male", "favorite_pub": pubs[0]}
+  for _, name in enumerate(FEMALE_NAMES):
+    config.person_data[name] = {"gender": "female", "favorite_pub": pubs[0]}
+
+  m = _make_empty_relationship_matrix(config.people[: config.num_main_players])
+
+  # Make the first two players friends.
+  visitor_name = config.people[0]
+  friend_name = config.people[1]
+  m[visitor_name][friend_name] = 1.0
+  m[friend_name][visitor_name] = 1.0
+
+  # Make the rest of the players friends with everyone but the first two.
+  for i in config.people[2 : config.num_main_players]:
+    for j in config.people[2 : config.num_main_players]:
+      m[i][j] = 1.0
+      m[j][i] = 1.0
+
+  config.person_data[visitor_name]["favorite_pub"] = pubs[0]
+  config.person_data[friend_name]["favorite_pub"] = pubs[1]
+
+  config.relationship_matrix = m
+
+  return config