diff --git a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerMatchSubScreen.cs b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerMatchSubScreen.cs
index e2593e68e5..9bf29c7bf8 100644
--- a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerMatchSubScreen.cs
+++ b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerMatchSubScreen.cs
@@ -165,11 +165,9 @@ namespace osu.Game.Tests.Visual.Multiplayer
 
             AddUntilStep("wait for room join", () => RoomJoined);
 
-            AddStep("join other user (ready)", () =>
-            {
-                MultiplayerClient.AddUser(new APIUser { Id = PLAYER_1_ID });
-                MultiplayerClient.ChangeUserState(PLAYER_1_ID, MultiplayerUserState.Ready);
-            });
+            AddStep("join other user", void () => MultiplayerClient.AddUser(new APIUser { Id = PLAYER_1_ID }));
+            AddUntilStep("wait for user populated", () => MultiplayerClient.ClientRoom!.Users.Single(u => u.UserID == PLAYER_1_ID).User, () => Is.Not.Null);
+            AddStep("other user ready", () => MultiplayerClient.ChangeUserState(PLAYER_1_ID, MultiplayerUserState.Ready));
 
             ClickButtonWhenEnabled<MultiplayerSpectateButton>();
 
diff --git a/osu.Game/Online/Multiplayer/MultiplayerClient.cs b/osu.Game/Online/Multiplayer/MultiplayerClient.cs
index 4aa0d92098..610ead0f9d 100644
--- a/osu.Game/Online/Multiplayer/MultiplayerClient.cs
+++ b/osu.Game/Online/Multiplayer/MultiplayerClient.cs
@@ -15,6 +15,7 @@ using osu.Framework.Graphics;
 using osu.Game.Database;
 using osu.Game.Localisation;
 using osu.Game.Online.API;
+using osu.Game.Online.API.Requests;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Online.Multiplayer.Countdown;
 using osu.Game.Online.Rooms;
@@ -188,7 +189,7 @@ namespace osu.Game.Online.Multiplayer
 
                 // Populate users.
                 Debug.Assert(joinedRoom.Users != null);
-                await Task.WhenAll(joinedRoom.Users.Select(PopulateUser)).ConfigureAwait(false);
+                await PopulateUsers(joinedRoom.Users).ConfigureAwait(false);
 
                 // Update the stored room (must be done on update thread for thread-safety).
                 await runOnUpdateThreadAsync(() =>
@@ -416,7 +417,7 @@ namespace osu.Game.Online.Multiplayer
 
         async Task IMultiplayerClient.UserJoined(MultiplayerRoomUser user)
         {
-            await PopulateUser(user).ConfigureAwait(false);
+            await PopulateUsers([user]).ConfigureAwait(false);
 
             Scheduler.Add(() =>
             {
@@ -803,10 +804,26 @@ namespace osu.Game.Online.Multiplayer
         }
 
         /// <summary>
-        /// Populates the <see cref="APIUser"/> for a given <see cref="MultiplayerRoomUser"/>.
+        /// Populates the <see cref="APIUser"/> for a given collection of <see cref="MultiplayerRoomUser"/>s.
         /// </summary>
-        /// <param name="multiplayerUser">The <see cref="MultiplayerRoomUser"/> to populate.</param>
-        protected async Task PopulateUser(MultiplayerRoomUser multiplayerUser) => multiplayerUser.User ??= await userLookupCache.GetUserAsync(multiplayerUser.UserID).ConfigureAwait(false);
+        /// <param name="multiplayerUsers">The <see cref="MultiplayerRoomUser"/>s to populate.</param>
+        protected async Task PopulateUsers(IEnumerable<MultiplayerRoomUser> multiplayerUsers)
+        {
+            var request = new GetUsersRequest(multiplayerUsers.Select(u => u.UserID).Distinct().ToArray());
+            await API.PerformAsync(request).ContinueWith(t =>
+            {
+                if (request.Response == null)
+                    return;
+
+                var users = request.Response.Users.ToDictionary(user => user.Id);
+
+                foreach (var multiplayerUser in multiplayerUsers)
+                {
+                    if (users.TryGetValue(multiplayerUser.UserID, out var user))
+                        multiplayerUser.User = user;
+                }
+            }).ConfigureAwait(false);
+        }
 
         /// <summary>
         /// Updates the local room settings with the given <see cref="MultiplayerRoomSettings"/>.
diff --git a/osu.Game/Tests/Visual/OnlinePlay/TestRoomRequestsHandler.cs b/osu.Game/Tests/Visual/OnlinePlay/TestRoomRequestsHandler.cs
index cb05180d17..592e4c6eee 100644
--- a/osu.Game/Tests/Visual/OnlinePlay/TestRoomRequestsHandler.cs
+++ b/osu.Game/Tests/Visual/OnlinePlay/TestRoomRequestsHandler.cs
@@ -214,6 +214,22 @@ namespace osu.Game.Tests.Visual.OnlinePlay
                     getBeatmapSetRequest.TriggerSuccess(OsuTestScene.CreateAPIBeatmapSet(baseBeatmap));
                     return true;
                 }
+
+                case GetUsersRequest getUsersRequest:
+                {
+                    getUsersRequest.TriggerSuccess(new GetUsersResponse
+                    {
+                        Users = getUsersRequest.UserIds.Select(id => id == TestUserLookupCache.UNRESOLVED_USER_ID
+                                                   ? null
+                                                   : new APIUser
+                                                   {
+                                                       Id = id,
+                                                       Username = $"User {id}"
+                                                   })
+                                               .Where(u => u != null).ToList(),
+                    });
+                    return true;
+                }
             }
 
             List<APIBeatmap> createResponseBeatmaps(params int[] beatmapIds)