# \#multiplayer-testing **URL:** https://forums.unrealengine.com/tag/multiplayer-testing/2424.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [New Citizen – Major Update Testing Server Now Live (UE5 Hardcore Roleplay Project)](https://forums.unrealengine.com/t/new-citizen-major-update-testing-server-now-live-ue5-hardcore-roleplay-project/2844675)
**Author:** [@SpecpixelLTD](https://forums.unrealengine.com/u/SpecpixelLTD)\ **Replies:** 0\ **Last updated:** [October 24, 2026, 11:03am UTC](https://forums.unrealengine.com/t/new-citizen-major-update-testing-server-now-live-ue5-hardcore-roleplay-project/2844675 "2026-10-24T11:03:57Z")
Steam page: New Citizen - Alpha on Steam Hi everyone, We’ve just opened the Major Update Testing Server for our project New Citizen. New Citizen is a standalone multiplayer hardcore roleplay game built in Unreal En… --- ## [Will testing a purchase in a Creative map preview charge me real V-Bucks once the map is officially published? ](https://forums.unrealengine.com/t/will-testing-a-purchase-in-a-creative-map-preview-charge-me-real-v-bucks-once-the-map-is-officially-published/2844462)
**Author:** [@DARK\_Lince504](https://forums.unrealengine.com/u/DARK_Lince504)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 11:36pm UTC](https://forums.unrealengine.com/t/will-testing-a-purchase-in-a-creative-map-preview-charge-me-real-v-bucks-once-the-map-is-officially-published/2844462 "2026-10-23T23:36:09Z")
Hi everyone, I need some clarification because Epic Support couldn’t give me a straight answer and told me to ask here. I was playtesting a pre-release version of a Creative map (the version that displays the gray bann… --- ## [\[Unpaid private playtest\] Nightfall Escape — city puzzles & team combat (Arabic clues)](https://forums.unrealengine.com/t/unpaid-private-playtest-nightfall-escape-city-puzzles-team-combat-arabic-clues/2837498)
**Author:** [@Gotham\_night25](https://forums.unrealengine.com/u/Gotham_night25)\ **Replies:** 0\ **Last updated:** [October 5, 2026, 6:52pm UTC](https://forums.unrealengine.com/t/unpaid-private-playtest-nightfall-escape-city-puzzles-team-combat-arabic-clues/2837498 "2026-10-05T18:52:34Z")
بتحب الألغاز والقتال؟ جرّب مدينة الظلال — Nightfall Escape داخل Fortnite. خمسة ألغاز، حراس، زعيم نهائي وكنز لازم تستخرجه قبل الفريق المنافس. نبحث عن لاعبين بالغين يقرؤون العربية أو معهم زميل يشرحها لتجربة خاصة غير مدفوع… --- ## [EOS Advanced Sessions: EOS\_InvalidUser & PendingConnectionFailure on Package Build](https://forums.unrealengine.com/t/eos-advanced-sessions-eos-invaliduser-pendingconnectionfailure-on-package-build/2735023)
**Author:** [@Osaa12322](https://forums.unrealengine.com/u/Osaa12322)\ **Replies:** 0\ **Last updated:** [July 11, 2026, 12:59pm UTC](https://forums.unrealengine.com/t/eos-advanced-sessions-eos-invaliduser-pendingconnectionfailure-on-package-build/2735023 "2026-07-11T12:59:32Z")
Hello everyone, I am trying to implement a multiplayer lobby system using Advanced Sessions and Epic Online Services (EOS) for an indie game that will be published on itch.io. I have correctly set up my Blueprint logic… --- ## [Any way to test multiplayer game online without opening port on router?](https://forums.unrealengine.com/t/any-way-to-test-multiplayer-game-online-without-opening-port-on-router/2482192)
**Author:** [@Player\_003](https://forums.unrealengine.com/u/Player_003)\ **Replies:** 2\ **Last updated:** [April 30, 2025, 1:05am UTC](https://forums.unrealengine.com/t/any-way-to-test-multiplayer-game-online-without-opening-port-on-router/2482192 "2025-04-30T01:05:32Z")
I can’t open ports on my stupid router. --- ## [Help. Need feedback for my map](https://forums.unrealengine.com/t/help-need-feedback-for-my-map/2342243)
**Author:** [@MishaZorin](https://forums.unrealengine.com/u/MishaZorin)\ **Replies:** 3\ **Last updated:** [February 19, 2025, 2:17am UTC](https://forums.unrealengine.com/t/help-need-feedback-for-my-map/2342243 "2025-02-19T02:17:35Z")
Hello, Fortnite community! I created my first first-person map and I’m currently looking for playtesters. I ran into a problem – I wasn’t able to make bots simulate real player behavior properly, so eliminations aren’t … --- ## [Make testplay start at Default Map?](https://forums.unrealengine.com/t/make-testplay-start-at-default-map/589999)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 2\ **Last updated:** [August 24, 2023, 11:32am UTC](https://forums.unrealengine.com/t/make-testplay-start-at-default-map/589999 "2023-08-24T11:32:12Z")
Hi there… I´m not new to Unreal and got much experienced with the Engine… and the Editor… But in my Years i never figured this out… I´ve two Maps. 00\_Debugging 01\_Main In the project Preferences, i set: Which op… --- ## [Other machine not able to find any sessions after leaving one](https://forums.unrealengine.com/t/other-machine-not-able-to-find-any-sessions-after-leaving-one/1241248)
**Author:** [@drewjohnson71](https://forums.unrealengine.com/u/drewjohnson71)\ **Replies:** 2\ **Last updated:** [August 9, 2023, 4:19am UTC](https://forums.unrealengine.com/t/other-machine-not-able-to-find-any-sessions-after-leaving-one/1241248 "2023-08-09T04:19:02Z")
No problems finding and connect different machines into a lobby. But once a player leaves a lobby, they can’t find/join another one. Just nothing shows up. If I restart that game, then it works fine, until they leave one… --- ## [Multiplayer Fighting Hit Reaction](https://forums.unrealengine.com/t/multiplayer-fighting-hit-reaction/1214662)
**Author:** [@T4l\_R](https://forums.unrealengine.com/u/T4l_R)\ **Replies:** 0\ **Last updated:** [June 29, 2023, 6:29pm UTC](https://forums.unrealengine.com/t/multiplayer-fighting-hit-reaction/1214662 "2023-06-29T18:29:39Z")
Hi all, I’m working on a multiplayer fighting game (Tekken style), and I’m trying to implement a hit reaction. On the hit animation I’m using an Anim Notify State the set the frames for when the character actually hits… --- ## [Apparently there is a button for adding clients?](https://forums.unrealengine.com/t/apparently-there-is-a-button-for-adding-clients/683432)
**Author:** [@KentPhan31U](https://forums.unrealengine.com/u/KentPhan31U)\ **Replies:** 2\ **Last updated:** [May 25, 2023, 4:55pm UTC](https://forums.unrealengine.com/t/apparently-there-is-a-button-for-adding-clients/683432 "2023-05-25T16:55:44Z")
Apparently when you press play. There can be a button up above to add a client. Someone showed me this, but we couldn’t figure out how to get it to show up in my editor. You can bind a separate hotkey though. How do you… --- ## [Capture values on Client & Server for testing (in pie)](https://forums.unrealengine.com/t/capture-values-on-client-server-for-testing-in-pie/780519)
**Author:** [@DELGOODIE](https://forums.unrealengine.com/u/DELGOODIE)\ **Replies:** 0\ **Last updated:** [February 28, 2023, 3:11pm UTC](https://forums.unrealengine.com/t/capture-values-on-client-server-for-testing-in-pie/780519 "2023-02-28T15:11:51Z")
So I want to make some debug utility to improve my net testing and development and I was wondering if it is possible to have an object that can reference both the client and servers version of the Character actor. Obviou… --- ## [multiplayer Client Actions Do not Replicated to Server ](https://forums.unrealengine.com/t/multiplayer-client-actions-do-not-replicated-to-server/636347)
**Author:** [@ibrahimahmad700](https://forums.unrealengine.com/u/ibrahimahmad700)\ **Replies:** 3\ **Last updated:** [August 30, 2022, 5:47am UTC](https://forums.unrealengine.com/t/multiplayer-client-actions-do-not-replicated-to-server/636347 "2022-08-30T05:47:55Z")
i want to replicate turrent movement and the turrent move when we move the mouse and l replicate every thing but still it does not work please help me --- ## [HELP! Simple Multiplayer Set Material](https://forums.unrealengine.com/t/help-simple-multiplayer-set-material/489353)
**Author:** [@Dennis\_PacheSan](https://forums.unrealengine.com/u/Dennis_PacheSan)\ **Replies:** 0\ **Last updated:** [September 29, 2021, 7:16pm UTC](https://forums.unrealengine.com/t/help-simple-multiplayer-set-material/489353 "2021-09-29T19:16:37Z")
Hello, i’m trying to toggle change a Cube back and forth into a different material and back to normal from the Client-side and have it shown to all client that the material has changed through Server Communication. See … --- ## [Player Name shows as a number instead of "Desktop-######" in editor](https://forums.unrealengine.com/t/player-name-shows-as-a-number-instead-of-desktop-in-editor/485543)
**Author:** [@Jaskowicz](https://forums.unrealengine.com/u/Jaskowicz)\ **Replies:** 0\ **Last updated:** [June 29, 2021, 9:33pm UTC](https://forums.unrealengine.com/t/player-name-shows-as-a-number-instead-of-desktop-in-editor/485543 "2021-06-29T21:33:48Z")
EDIT: I re-enabled access to the null online subsystem and it works again (whoops) I’ve been working on this project for a week and now, all of a sudden, I can’t create a session and the player name is a number “260” (o… --- ## [Multiplayer game correctly works only on first launch?](https://forums.unrealengine.com/t/multiplayer-game-correctly-works-only-on-first-launch/464920)
**Author:** [@srvkkr](https://forums.unrealengine.com/u/srvkkr)\ **Replies:** 0\ **Last updated:** [May 9, 2020, 1:22pm UTC](https://forums.unrealengine.com/t/multiplayer-game-correctly-works-only-on-first-launch/464920 "2020-05-09T13:22:09Z")
Hey folks, I’m making a multiplayer game. I have a character select menu. On begin play, the character select menu is created. I’m facing a problem. The system doesn’t seem to work the second time. Let me explain. After … --- ## [Advanced Sessions in UE4 4.24](https://forums.unrealengine.com/t/advanced-sessions-in-ue4-4-24/464552)
**Author:** [@indivelope](https://forums.unrealengine.com/u/indivelope)\ **Replies:** 1\ **Last updated:** [May 4, 2020, 1:07pm UTC](https://forums.unrealengine.com/t/advanced-sessions-in-ue4-4-24/464552 "2020-05-04T13:07:06Z")
Hi everyone, In the past I have had no troubles implementing advanced sessions or anything to do with sessions. Now it’s literally halted my project to the point I can’t continue. I can manage to create sessions, but n… --- ## [Only one player can see updates in movement while other player sees "Lifeless pawn"](https://forums.unrealengine.com/t/only-one-player-can-see-updates-in-movement-while-other-player-sees-lifeless-pawn/454229)
**Author:** [@LilSnoozy](https://forums.unrealengine.com/u/LilSnoozy)\ **Replies:** 0\ **Last updated:** [August 22, 2019, 5:23am UTC](https://forums.unrealengine.com/t/only-one-player-can-see-updates-in-movement-while-other-player-sees-lifeless-pawn/454229 "2019-08-22T05:23:56Z")
Im currently trying to seet up multiplayer for my game, a little side project. But I didn’t have my pawn set up for multiplayer. I panicked and quickly set everything to “replicated” on my player hoping it would fix it. … --- ## [Help with Create Session failing!](https://forums.unrealengine.com/t/help-with-create-session-failing/452045)
**Author:** [@Herbie216](https://forums.unrealengine.com/u/Herbie216)\ **Replies:** 1\ **Last updated:** [July 11, 2019, 2:05am UTC](https://forums.unrealengine.com/t/help-with-create-session-failing/452045 "2019-07-11T02:05:16Z")
Hey all! Log linked at the bottom! I’m having an issue with my client window always being sent to the default map whenever the Create Session and Join Session are called. If my host creates a session, the client will a… --- ## [Can´t Join local Session with Subsystem Null!?](https://forums.unrealengine.com/t/can-t-join-local-session-with-subsystem-null/443106)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 4\ **Last updated:** [February 12, 2019, 6:31pm UTC](https://forums.unrealengine.com/t/can-t-join-local-session-with-subsystem-null/443106 "2019-02-12T18:31:20Z")
Hi there… Since there´s no answer on the Forum yet, i wanted to ask here… I tried to activate OnlineSubsystem Null. Therefor i added \[OnlineSubsystem\] DefaultPlatformService=Null to the DefaultEngine.ini. In the nam… --- ## [Packaged multiplayer game crashes](https://forums.unrealengine.com/t/packaged-multiplayer-game-crashes/403722)
**Author:** [@MadHopperMedia](https://forums.unrealengine.com/u/MadHopperMedia)\ **Replies:** 2\ **Last updated:** [November 2, 2018, 8:45pm UTC](https://forums.unrealengine.com/t/packaged-multiplayer-game-crashes/403722 "2018-11-02T20:45:03Z")
game crashes at random when more that 2 people are playing. the more people the more often it crashes. we are using the steam subsystem, I do not know if that will have anything to do with it or not. here is the crash … --- ## [Replication Issue (Includes video)](https://forums.unrealengine.com/t/replication-issue-includes-video/410679)
**Author:** [@PropagandaWar](https://forums.unrealengine.com/u/PropagandaWar)\ **Replies:** 1\ **Last updated:** [December 1, 2017, 4:10pm UTC](https://forums.unrealengine.com/t/replication-issue-includes-video/410679 "2017-12-01T16:10:04Z")
I am having an issue with replication. Whoever host the game cannot see the other player. However the joining player can see the hosting player no problem as seen in this video Unreal Engine Demo | Shot with GeForce GTX … --- ## [My zone control points for my multiplayer game mode will not replicate new transforms to clients. I could use some assistants figuring out why](https://forums.unrealengine.com/t/my-zone-control-points-for-my-multiplayer-game-mode-will-not-replicate-new-transforms-to-clients-i-could-use-some-assistants-figuring-out-why/397120)
**Author:** [@anonymous\_user\_f3cd2a37](https://forums.unrealengine.com/u/anonymous_user_f3cd2a37)\ **Replies:** 2\ **Last updated:** [July 14, 2017, 7:22pm UTC](https://forums.unrealengine.com/t/my-zone-control-points-for-my-multiplayer-game-mode-will-not-replicate-new-transforms-to-clients-i-could-use-some-assistants-figuring-out-why/397120 "2017-07-14T19:22:07Z")
I am currently working on a multiplayer zone control game mode in which three zones are set at 1 of 3 random positions around the map at the beginning of the game. Currently the zones are moved on the server side but not… --- ## [Crash when multiplayer testing](https://forums.unrealengine.com/t/crash-when-multiplayer-testing/313269)
**Author:** [@krip22](https://forums.unrealengine.com/u/krip22)\ **Replies:** 3\ **Last updated:** [June 15, 2017, 7:50am UTC](https://forums.unrealengine.com/t/crash-when-multiplayer-testing/313269 "2017-06-15T07:50:36Z")
When I put 2+ Number of Players or Run Dedicated Server, UE4 crash. Sometimes i can see it Screenshot by Lightshot. all works on 4.6.1 MachineId:035D6476459160C9D490B7B66A979B1E EpicAccountId:4d7bc7bdf33849f591e66a23b… --- ## [How to find a session with blueprint and steam](https://forums.unrealengine.com/t/how-to-find-a-session-with-blueprint-and-steam/394108)
**Author:** [@Upeaval](https://forums.unrealengine.com/u/Upeaval)\ **Replies:** 0\ **Last updated:** [May 20, 2017, 5:05pm UTC](https://forums.unrealengine.com/t/how-to-find-a-session-with-blueprint-and-steam/394108 "2017-05-20T17:05:11Z")
I have been trying to integrate steam into my project, I followed 4 tutorial, to be able to do sessions and join them with another computer in lan or online (steam ^^), i host the game On my computer and I’m search this … --- ## [\[Bug\] Editor freeze when testing dedicated server (4.15)](https://forums.unrealengine.com/t/bug-editor-freeze-when-testing-dedicated-server-4-15/388388)
**Author:** [@anonymous\_user\_49a519741](https://forums.unrealengine.com/u/anonymous_user_49a519741)\ **Replies:** 2\ **Last updated:** [March 22, 2017, 3:26pm UTC](https://forums.unrealengine.com/t/bug-editor-freeze-when-testing-dedicated-server-4-15/388388 "2017-03-22T15:26:51Z")
To reproduce: Create a new Third Person template project (no C++ to save time) In Editor Preferences, go to General/Miscellaneous section Turn off “Use Less CPU when in Background” In Editor Preferences, go to “Level… --- ## [Outdated Official Tutorial / SteamAppId Access Denied](https://forums.unrealengine.com/t/outdated-official-tutorial-steamappid-access-denied/383783)
**Author:** [@SirDouchebag](https://forums.unrealengine.com/u/SirDouchebag)\ **Replies:** 1\ **Last updated:** [February 3, 2017, 8:25pm UTC](https://forums.unrealengine.com/t/outdated-official-tutorial-steamappid-access-denied/383783 "2017-02-03T20:25:17Z")
In version 4.14.3, following Epic Games own tutorial, link, when I run the game in a standalone process and try to host a server over the internet the “Create Session Node” fails. After looking around in the Log files I … --- ## [Can't find LAN session (using steam SDK)](https://forums.unrealengine.com/t/cant-find-lan-session-using-steam-sdk/334037)
**Author:** [@Otreum](https://forums.unrealengine.com/u/Otreum)\ **Replies:** 15\ **Last updated:** [November 4, 2016, 6:08am UTC](https://forums.unrealengine.com/t/cant-find-lan-session-using-steam-sdk/334037 "2016-11-04T06:08:54Z")
As title suggests, I cannot find my Listen server across LAN after steam integration. I’m not sure if this is a bug, or something I am missing, but just seems to be out of my control right now, which to me, seems more… --- ## [Multiplayer with single Camera and window](https://forums.unrealengine.com/t/multiplayer-with-single-camera-and-window/318998)
**Author:** [@anonymous\_user\_426c6020](https://forums.unrealengine.com/u/anonymous_user_426c6020)\ **Replies:** 3\ **Last updated:** [October 20, 2016, 2:28pm UTC](https://forums.unrealengine.com/t/multiplayer-with-single-camera-and-window/318998 "2016-10-20T14:28:58Z")
Hi i am trying to test a local multiplayer game and after checking the answer hub and finding answers. i managed to set the camera to look at both players but i still keep getting 2 preview windows when i try to test it… --- ## [Multiplayer line trace and particles problems](https://forums.unrealengine.com/t/multiplayer-line-trace-and-particles-problems/361150)
**Author:** [@anonymous\_user\_82461f5f](https://forums.unrealengine.com/u/anonymous_user_82461f5f)\ **Replies:** 0\ **Last updated:** [June 17, 2016, 8:49pm UTC](https://forums.unrealengine.com/t/multiplayer-line-trace-and-particles-problems/361150 "2016-06-17T20:49:26Z")
I am working on a multiplayer fps but when I shoot (using line trace) from the Player 1 it work fine but when I shoot with Player 2 or 3 it shoot from the Player 1 and only the Player 1 can see particles. Everything is r… --- ## [Editor Crash on Host Server](https://forums.unrealengine.com/t/editor-crash-on-host-server/357468)
**Author:** [@anonymous\_user\_b4f66e68](https://forums.unrealengine.com/u/anonymous_user_b4f66e68)\ **Replies:** 7\ **Last updated:** [June 3, 2016, 3:44pm UTC](https://forums.unrealengine.com/t/editor-crash-on-host-server/357468 "2016-06-03T15:44:21Z")
Hi guys, So I have been looking into some of the other issues on here and cant seem to find one that directly relates to my problems. So I have tried to create some simple logic for a player to host a server for people … [Next page](https://forums.unrealengine.com/tag/multiplayer-testing/2424.md?match_all_tags=true&page=1&tags%5B%5D=multiplayer-testing)