diff --git a/Main.py b/Main.py
index 9804e6bd4582..63173601cb96 100644
--- a/Main.py
+++ b/Main.py
@@ -368,7 +368,6 @@ def precollect_hint(location):
                 multidata = {
                     "slot_data": slot_data,
                     "slot_info": slot_info,
-                    "names": names,  # TODO: remove after 0.3.9
                     "connect_names": {name: (0, player) for player, name in world.player_name.items()},
                     "locations": locations_data,
                     "checks_in_area": checks_in_area,
diff --git a/WebHostLib/tracker.py b/WebHostLib/tracker.py
index decb3dd8ceb7..987a96d02da8 100644
--- a/WebHostLib/tracker.py
+++ b/WebHostLib/tracker.py
@@ -1,7 +1,7 @@
 import collections
 import datetime
 import typing
-from typing import Counter, Optional, Dict, Any, Tuple
+from typing import Counter, Optional, Dict, Any, Tuple, List
 from uuid import UUID
 
 from flask import render_template
@@ -9,7 +9,7 @@
 from werkzeug.exceptions import abort
 
 from MultiServer import Context, get_saving_second
-from NetUtils import SlotType
+from NetUtils import SlotType, NetworkSlot
 from Utils import restricted_loads
 from worlds import lookup_any_item_id_to_name, lookup_any_location_id_to_name, network_data_package
 from worlds.alttp import Items
@@ -264,16 +264,17 @@ def get_static_room_data(room: Room):
     multidata = Context.decompress(room.seed.multidata)
     # in > 100 players this can take a bit of time and is the main reason for the cache
     locations: Dict[int, Dict[int, Tuple[int, int, int]]] = multidata['locations']
-    names: Dict[int, Dict[int, str]] = multidata["names"]
-    games = {}
+    names: List[List[str]] = multidata.get("names", [])
+    games = multidata.get("games", {})
     groups = {}
     custom_locations = {}
     custom_items = {}
     if "slot_info" in multidata:
-        games = {slot: slot_info.game for slot, slot_info in multidata["slot_info"].items()}
-        groups = {slot: slot_info.group_members for slot, slot_info in multidata["slot_info"].items()
+        slot_info_dict: Dict[int, NetworkSlot] = multidata["slot_info"]
+        games = {slot: slot_info.game for slot, slot_info in slot_info_dict.items()}
+        groups = {slot: slot_info.group_members for slot, slot_info in slot_info_dict.items()
                   if slot_info.type == SlotType.group}
-
+        names = [[slot_info.name for slot, slot_info in sorted(slot_info_dict.items())]]
         for game in games.values():
             if game not in multidata["datapackage"]:
                 continue
@@ -290,8 +291,7 @@ def get_static_room_data(room: Room):
                 {id_: name for name, id_ in game_data["location_name_to_id"].items()})
             custom_items.update(
                 {id_: name for name, id_ in game_data["item_name_to_id"].items()})
-    elif "games" in multidata:
-        games = multidata["games"]
+
     seed_checks_in_area = checks_in_area.copy()
 
     use_door_tracker = False
@@ -341,7 +341,7 @@ def _get_player_tracker(tracker: UUID, tracked_team: int, tracked_player: int, w
         precollected_items, games, slot_data, groups, saving_second, custom_locations, custom_items = \
         get_static_room_data(room)
     player_name = names[tracked_team][tracked_player - 1]
-    location_to_area = player_location_to_area[tracked_player]
+    location_to_area = player_location_to_area.get(tracked_player, {})
     inventory = collections.Counter()
     checks_done = {loc_name: 0 for loc_name in default_locations}
 
@@ -373,7 +373,9 @@ def _get_player_tracker(tracker: UUID, tracked_team: int, tracked_player: int, w
                     if recipient in slots_aimed_at_player:  # a check done for the tracked player
                         attribute_item_solo(inventory, item)
                     if ms_player == tracked_player:  # a check done by the tracked player
-                        checks_done[location_to_area[location]] += 1
+                        area_name = location_to_area.get(location, None)
+                        if area_name:
+                            checks_done[area_name] += 1
                         checks_done["Total"] += 1
     specific_tracker = game_specific_trackers.get(games[tracked_player], None)
     if specific_tracker and not want_generic:
@@ -1508,8 +1510,8 @@ def attribute_item(team: int, recipient: int, item: int):
                 checks_done[team][player][player_location_to_area[player][location]] += 1
                 checks_done[team][player]["Total"] += 1
         percent_total_checks_done[team][player] = int(
-            checks_done[team][player]["Total"] / seed_checks_in_area[player]["Total"] * 100) if \
-        seed_checks_in_area[player]["Total"] else 100
+            checks_done[team][player]["Total"] / len(player_locations) * 100) if \
+        player_locations else 100
 
     for (team, player), game_state in multisave.get("client_game_state", {}).items():
         if player in groups: