# \#Multiplayer **URL:** https://forums.unrealengine.com/tag/multiplayer/70.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Spacewar Only works in Standalone mode, Game Build doesn't work](https://forums.unrealengine.com/t/spacewar-only-works-in-standalone-mode-game-build-doesnt-work/2846647)
**Author:** [@August831](https://forums.unrealengine.com/u/August831)\ **Replies:** 2\ **Last updated:** [October 30, 2026, 11:01pm UTC](https://forums.unrealengine.com/t/spacewar-only-works-in-standalone-mode-game-build-doesnt-work/2846647 "2026-10-30T23:01:14Z")
When I play the game through the editor in standalone mode, the game gets detected by steam as Spacewar, but when i build the game (whether it be Dev build or shipping) it doesnt detect the game, therefore multiplayer do… --- ## [In a multiplayer game the game mode OnLogout gets called during server travel, so how can I check if a player has actually left the game?](https://forums.unrealengine.com/t/in-a-multiplayer-game-the-game-mode-onlogout-gets-called-during-server-travel-so-how-can-i-check-if-a-player-has-actually-left-the-game/945043)
**Author:** [@rantrod](https://forums.unrealengine.com/u/rantrod)\ **Replies:** 3\ **Last updated:** [October 26, 2026, 6:36pm UTC](https://forums.unrealengine.com/t/in-a-multiplayer-game-the-game-mode-onlogout-gets-called-during-server-travel-so-how-can-i-check-if-a-player-has-actually-left-the-game/945043 "2026-10-26T18:36:08Z")
ue5.1 I’m keeping data on players I’d like to clear if they actually leave, but how to tell if they actually left or just server traveling? The destination map during server travel has a different game mode if that make… --- ## [Previous Value of Replicated FFastArray empty ](https://forums.unrealengine.com/t/previous-value-of-replicated-ffastarray-empty/2720014)
**Author:** [@darkfire1321](https://forums.unrealengine.com/u/darkfire1321)\ **Replies:** 2\ **Last updated:** [October 21, 2026, 3:53pm UTC](https://forums.unrealengine.com/t/previous-value-of-replicated-ffastarray-empty/2720014 "2026-10-21T15:53:56Z")
Hello! I’ve been running into an odd bug with the previous value of the OnRep function parameter. I have a struct that inherits FFastArraySerializer that I have replicated to owners in an Actor Component. The actual rep… --- ## [PoolKit demo video: pooling actors, widgets, decals and meshes with a live debugger (UE 5.4-5.8)](https://forums.unrealengine.com/t/poolkit-demo-video-pooling-actors-widgets-decals-and-meshes-with-a-live-debugger-ue-5-4-5-8/2843366)
**Author:** [@BWGGames](https://forums.unrealengine.com/u/BWGGames)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 3:50pm UTC](https://forums.unrealengine.com/t/poolkit-demo-video-pooling-actors-widgets-decals-and-meshes-with-a-live-debugger-ue-5-4-5-8/2843366 "2026-10-21T15:50:11Z")
The clip shows PoolKit running its built-in demo (PoolKit.Demo 90 all) in UE 5.6: pooled projectiles, widgets, decals and meshes, then the stats overlay, the Debugger tab, and the Auto-Tune review where rec… --- ## [UMG Text Effects: per-letter effects and a typewriter for UMG text (UE 5.4-5.8)](https://forums.unrealengine.com/t/umg-text-effects-per-letter-effects-and-a-typewriter-for-umg-text-ue-5-4-5-8/2843365)
**Author:** [@BWGGames](https://forums.unrealengine.com/u/BWGGames)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 3:46pm UTC](https://forums.unrealengine.com/t/umg-text-effects-per-letter-effects-and-a-typewriter-for-umg-text-ue-5-4-5-8/2843365 "2026-10-21T15:46:39Z")
UMG Text Effects is a new plugin from our small studio, Barbed Wire Glove Games. It animates UMG text letter by letter, and you control it with short tags in the text: Hello \traveler\, the \d… --- ## [Custom data in GameplayCueParameters](https://forums.unrealengine.com/t/custom-data-in-gameplaycueparameters/2253824)
**Author:** [@reisandbeans](https://forums.unrealengine.com/u/reisandbeans)\ **Replies:** 5\ **Last updated:** [October 21, 2026, 11:47am UTC](https://forums.unrealengine.com/t/custom-data-in-gameplaycueparameters/2253824 "2026-10-21T11:47:06Z")
I’m using Gameplay Cues because of the ease to replicate visual effects to all clients in my multiplayer game. However, I wanted to pass additional data to GameplayCueParameters (mostrly parameters for the NiagaraSystem … --- ## [What's the preferred way to replicate ActorComponent?](https://forums.unrealengine.com/t/whats-the-preferred-way-to-replicate-actorcomponent/1713733)
**Author:** [@MaskedFuyu](https://forums.unrealengine.com/u/MaskedFuyu)\ **Replies:** 5\ **Last updated:** [October 21, 2026, 10:11am UTC](https://forums.unrealengine.com/t/whats-the-preferred-way-to-replicate-actorcomponent/1713733 "2026-10-21T10:11:18Z")
The 4.27 docs says we can just AActorComponent::SetIsReplicated(true) if we want to replicate the component. While this seems work in UE5 but I can not find it describes in docs. The latest docs shows other ways to repl… --- ## [Respawn dead player with on checkpoints in multiplayer](https://forums.unrealengine.com/t/respawn-dead-player-with-on-checkpoints-in-multiplayer/467485)
**Author:** [@anonymous\_user\_7eb4a778](https://forums.unrealengine.com/u/anonymous_user_7eb4a778)\ **Replies:** 2\ **Last updated:** [October 18, 2026, 4:48pm UTC](https://forums.unrealengine.com/t/respawn-dead-player-with-on-checkpoints-in-multiplayer/467485 "2026-10-18T16:48:04Z")
Hi, I created a multiplayer game following UE4 tutorial for Steam. I also created a checkpoint/respawn system which works perfect in a single player game mode but the checkpoint/respawn system does not work properly in … --- ## [Chaos Destruction CG causes issues with Client side sync](https://forums.unrealengine.com/t/chaos-destruction-cg-causes-issues-with-client-side-sync/2722883)
**Author:** [@Ezekiel88](https://forums.unrealengine.com/u/Ezekiel88)\ **Replies:** 1\ **Last updated:** [October 18, 2026, 4:44pm UTC](https://forums.unrealengine.com/t/chaos-destruction-cg-causes-issues-with-client-side-sync/2722883 "2026-10-18T16:44:44Z")
For a while now (I think since 5.1 or 5.2) I’ve been experiencing issues with client sync when using Chaos in a multiplayer environment. Specifically when a character walks on CG, it glitches all over on the client side.… --- ## [Side-Scroller Shooter, how do I replicate mouse rotation?](https://forums.unrealengine.com/t/side-scroller-shooter-how-do-i-replicate-mouse-rotation/435934)
**Author:** [@anonymous\_user\_6decf5ce](https://forums.unrealengine.com/u/anonymous_user_6decf5ce)\ **Replies:** 1\ **Last updated:** [October 18, 2026, 4:34pm UTC](https://forums.unrealengine.com/t/side-scroller-shooter-how-do-i-replicate-mouse-rotation/435934 "2026-10-18T16:34:33Z")
Hi, I am making a Side-Scroller Shooter. I was able to replicate many things to multiplayer, except for this controller scheme that works fine in singleplayer, but that I simply could not get it to work in multiplayer I… --- ## [Chaos Destruction replication don't work with ForceDynamicSwitch (DynamicState field)](https://forums.unrealengine.com/t/chaos-destruction-replication-dont-work-with-forcedynamicswitch-dynamicstate-field/1845191)
**Author:** [@laymard\_ME](https://forums.unrealengine.com/u/laymard_ME)\ **Replies:** 1\ **Last updated:** [October 18, 2026, 10:57am UTC](https://forums.unrealengine.com/t/chaos-destruction-replication-dont-work-with-forcedynamicswitch-dynamicstate-field/1845191 "2026-10-18T10:57:42Z")
Hello there ! I am making GeometryCollectionActor inside AnchorField. I am spawning the blueprint FS\_MasterField provided by the engine in order to destroy the mesh. The FS\_MasterField has the property ForceDynamicFie… --- ## [Smooth Replication of Moving Platforms or Spline-Based Actors in Multiplayer (Listen Server)](https://forums.unrealengine.com/t/smooth-replication-of-moving-platforms-or-spline-based-actors-in-multiplayer-listen-server/2664245)
**Author:** [@lFearlessBanana](https://forums.unrealengine.com/u/lFearlessBanana)\ **Replies:** 2\ **Last updated:** [October 18, 2026, 10:47am UTC](https://forums.unrealengine.com/t/smooth-replication-of-moving-platforms-or-spline-based-actors-in-multiplayer-listen-server/2664245 "2026-10-18T10:47:18Z")
In Unreal Engine 5 multiplayer (listen server), how can I properly replicate a moving actor (like a moving platform or spline-based mesh) so that both client and server see the same smooth motion without stuttering? --- ## [Survey: the hardest UE5 multiplayer / GAS problem you hit in the last 90 days (2 min)](https://forums.unrealengine.com/t/survey-the-hardest-ue5-multiplayer-gas-problem-you-hit-in-the-last-90-days-2-min/2841523)
**Author:** [@LMXLion](https://forums.unrealengine.com/u/LMXLion)\ **Replies:** 0\ **Last updated:** [October 16, 2026, 7:48am UTC](https://forums.unrealengine.com/t/survey-the-hardest-ue5-multiplayer-gas-problem-you-hit-in-the-last-90-days-2-min/2841523 "2026-10-16T07:48:33Z")
Hi fellow developers, I’m collecting real-world cases (desync, prediction, GAS in multiplayer, dedicated servers, performance) to see which ones cost teams the most time. All questions are optional and anonymous unless … --- ## [\[Tutorial\] Proper Multiplayer Linetrace from camera](https://forums.unrealengine.com/t/tutorial-proper-multiplayer-linetrace-from-camera/1229523)
**Author:** [@Rev0verDrive](https://forums.unrealengine.com/u/Rev0verDrive)\ **Replies:** 11\ **Last updated:** [October 7, 2026, 4:03pm UTC](https://forums.unrealengine.com/t/tutorial-proper-multiplayer-linetrace-from-camera/1229523 "2026-10-07T16:03:55Z")
When I code multiplayer mechanics I do so with a few base rules. Don’t ever trust the client. Don’t waste bandwidth replicating data you don’t need to. In many multiplayer scenarios we need to execute line traces. One… --- ## [Carrying a Physical Object with Two Players (Blueprint) – Replication Issues ](https://forums.unrealengine.com/t/carrying-a-physical-object-with-two-players-blueprint-replication-issues/2689786)
**Author:** [@DoudouSupreme](https://forums.unrealengine.com/u/DoudouSupreme)\ **Replies:** 4\ **Last updated:** [October 7, 2026, 12:07pm UTC](https://forums.unrealengine.com/t/carrying-a-physical-object-with-two-players-blueprint-replication-issues/2689786 "2026-10-07T12:07:26Z")
Hi, I’m working on a multiplayer setup in Unreal Engine (Blueprint) where two players carry the same physical object together. With one player, everything works fine: Physics behaves correctly Server authority is… --- ## [Rope Replication Issue Using PhysicsConstraintActor in UE5 Multiplayer ](https://forums.unrealengine.com/t/rope-replication-issue-using-physicsconstraintactor-in-ue5-multiplayer/2612234)
**Author:** [@user\_2fff30a62b56e074928eeb5ba4430a574921e5ac42075f0b5c2ed0](https://forums.unrealengine.com/u/user_2fff30a62b56e074928eeb5ba4430a574921e5ac42075f0b5c2ed0)\ **Replies:** 1\ **Last updated:** [October 7, 2026, 11:51am UTC](https://forums.unrealengine.com/t/rope-replication-issue-using-physicsconstraintactor-in-ue5-multiplayer/2612234 "2026-10-07T11:51:48Z")
Hello, I’m currently developing a game where two players are connected by a rope and move together. The rope is created based on the following video: https://youtu.be/hEMcr98cDJE?si=iH2f-\_7nPjhEg-2-, and it consists of… --- ## [\[5.8.3 Regression\] Listen server sees slow client animations on default template Movable ground ](https://forums.unrealengine.com/t/5-8-3-regression-listen-server-sees-slow-client-animations-on-default-template-movable-ground/2834054)
**Author:** [@Darcy219](https://forums.unrealengine.com/u/Darcy219)\ **Replies:** 0\ **Last updated:** [September 24, 2026, 7:09pm UTC](https://forums.unrealengine.com/t/5-8-3-regression-listen-server-sees-slow-client-animations-on-default-template-movable-ground/2834054 "2026-09-24T19:09:36Z")
Summary UE 5.8.3 regression: In the unmodified First Person Blueprint template, the listen-server host sees a remote client’s running and jumping animations playing too slowly on the large Movable ground surface, while m… --- ## [Building a Digital Twin XR Campus: Best practices for multiplayer lectures & database-linked attendance? ](https://forums.unrealengine.com/t/building-a-digital-twin-xr-campus-best-practices-for-multiplayer-lectures-database-linked-attendance/2730292)
**Author:** [@SMAAZ51214](https://forums.unrealengine.com/u/SMAAZ51214)\ **Replies:** 1\ **Last updated:** [September 12, 2026, 10:10am UTC](https://forums.unrealengine.com/t/building-a-digital-twin-xr-campus-best-practices-for-multiplayer-lectures-database-linked-attendance/2730292 "2026-09-12T10:10:07Z")
Hi everyone, I am planning an ambitious XR project to build a full-scale digital twin of our university department. The core loop of the application is to create a persistent virtual campus where students can put on an … --- ## [Client can't join the current level that the host is.](https://forums.unrealengine.com/t/client-cant-join-the-current-level-that-the-host-is/2738948)
**Author:** [@squigglez62](https://forums.unrealengine.com/u/squigglez62)\ **Replies:** 1\ **Last updated:** [September 11, 2026, 6:36pm UTC](https://forums.unrealengine.com/t/client-cant-join-the-current-level-that-the-host-is/2738948 "2026-09-11T18:36:13Z")
I am having an issue that seems to only occur when I am trying to play via steam. In the PIE the join session seems to work fine. But as soon as I am trying to join a session via steam. the client finds the session but f… --- ## [UE 5.5 Steam Multiplayer: OSS Steam vs Advanced Sessions vs SteamCore?](https://forums.unrealengine.com/t/ue-5-5-steam-multiplayer-oss-steam-vs-advanced-sessions-vs-steamcore/2725731)
**Author:** [@krisz\_0325](https://forums.unrealengine.com/u/krisz_0325)\ **Replies:** 2\ **Last updated:** [September 9, 2026, 3:06pm UTC](https://forums.unrealengine.com/t/ue-5-5-steam-multiplayer-oss-steam-vs-advanced-sessions-vs-steamcore/2725731 "2026-09-09T15:06:50Z")
I’m developing a Steam-only 5v5 FPS in UE5 and planning to use a host migration plugin. I’m trying to decide between: UE 5.5 + OSS Steam UE 5.5 + SteamCore UE 5.4 + Advanced Sessions My priorities are: St… --- ## [Client owned character rotates slower than (listen) server owned character](https://forums.unrealengine.com/t/client-owned-character-rotates-slower-than-listen-server-owned-character/427427)
**Author:** [@anonymous\_user\_e7927442](https://forums.unrealengine.com/u/anonymous_user_e7927442)\ **Replies:** 5\ **Last updated:** [September 6, 2026, 4:36am UTC](https://forums.unrealengine.com/t/client-owned-character-rotates-slower-than-listen-server-owned-character/427427 "2026-09-06T04:36:00Z")
Hello everyone! I have an issue with rotating character in multiplayer. The character owned by listen server rotates just as expected (on both server and clients) but for some reason the rotation of character owned by c… --- ## [SkyScape – Ultra-realistic Weather & Dynamic Sky for UE5 \[Docs + AI Assistant + Fab\]](https://forums.unrealengine.com/t/skyscape-ultra-realistic-weather-dynamic-sky-for-ue5-docs-ai-assistant-fab/2662279)
**Author:** [@alejocapo04](https://forums.unrealengine.com/u/alejocapo04)\ **Replies:** 11\ **Last updated:** [September 5, 2026, 6:22pm UTC](https://forums.unrealengine.com/t/skyscape-ultra-realistic-weather-dynamic-sky-for-ue5-docs-ai-assistant-fab/2662279 "2026-09-05T18:22:42Z")
SkyScape – Ultra-realistic Weather & Dynamic Sky for UE5 Buy on Fab: SkyScape – Ultra Realistic Weather & Dynamic Sky | Fab Docs: SkyScape Documentation AI Assistant (Q&A): ChatGPT - SkyScape Helper Showcase build: v1… --- ## [RepNotify not working?](https://forums.unrealengine.com/t/repnotify-not-working/1277983)
**Author:** [@Phyrriel](https://forums.unrealengine.com/u/Phyrriel)\ **Replies:** 20\ **Last updated:** [September 2, 2026, 1:56pm UTC](https://forums.unrealengine.com/t/repnotify-not-working/1277983 "2026-09-02T13:56:45Z")
So I’ve been learning how multiplayer works and I thought I had a decent understanding on how to setup everything and the importances of knowing when to use RPC’s vs RepNotify. I’ve been testing making my character hold … --- ## [VR Multiplayer & Navigation Template for UE5 (100% Blueprints, Quest & PC VR)](https://forums.unrealengine.com/t/vr-multiplayer-navigation-template-for-ue5-100-blueprints-quest-pc-vr/2753777)
**Author:** [@cool77](https://forums.unrealengine.com/u/cool77)\ **Replies:** 0\ **Last updated:** [September 1, 2026, 10:44am UTC](https://forums.unrealengine.com/t/vr-multiplayer-navigation-template-for-ue5-100-blueprints-quest-pc-vr/2753777 "2026-09-01T10:44:19Z")
Hi everyone! :waving\_hand: I’ve just released a complete, production-ready VR Multiplayer & Navigation Template built entirely in vanilla Blueprints for Unreal Engine 5. It is fully replicated for Meta Quest and PC VR,… --- ## [Transfer client-specific data between levels](https://forums.unrealengine.com/t/transfer-client-specific-data-between-levels/1164549)
**Author:** [@Timalice1](https://forums.unrealengine.com/u/Timalice1)\ **Replies:** 2\ **Last updated:** [August 28, 2026, 3:33pm UTC](https://forums.unrealengine.com/t/transfer-client-specific-data-between-levels/1164549 "2026-08-28T15:33:02Z")
I make a multiplayer game with lobby and game level. In lobby, each player can select a team. In lobby PlayerController i create an event for selecting a player team, that will called from widget button. Then i make a se… --- ## [Looking for a UE5 Team for an Ambitious Multiplayer VR Roleplay Game for Meta Quest ](https://forums.unrealengine.com/t/looking-for-a-ue5-team-for-an-ambitious-multiplayer-vr-roleplay-game-for-meta-quest/2746665)
**Author:** [@NlolikGames](https://forums.unrealengine.com/u/NlolikGames)\ **Replies:** 1\ **Last updated:** [August 28, 2026, 6:42am UTC](https://forums.unrealengine.com/t/looking-for-a-ue5-team-for-an-ambitious-multiplayer-vr-roleplay-game-for-meta-quest/2746665 "2026-08-28T06:42:18Z")
Hi everyone, I’m currently putting together a development team for an ambitious multiplayer VR roleplay project built in Unreal Engine 5, with Meta Quest as the primary target platform. The main idea is to create a per… --- ## [\[UNPAID/ROYALTY\] UE5 Technical Partner — The Taking ](https://forums.unrealengine.com/t/unpaid-royalty-ue5-technical-partner-the-taking/2745576)
**Author:** [@ChoppaFlame](https://forums.unrealengine.com/u/ChoppaFlame)\ **Replies:** 1\ **Last updated:** [August 23, 2026, 6:59am UTC](https://forums.unrealengine.com/t/unpaid-royalty-ue5-technical-partner-the-taking/2745576 "2026-08-23T06:59:36Z")
Project Title: The Taking Description: The Taking is an asymmetric multiplayer survival-horror game being developed in Unreal Engine 5. Players take the role of survivors known as The Taken, attempting to escape whil… --- ## [\[LFW PAID\]Senior UE Gameplay, AI developer\[Remote\]](https://forums.unrealengine.com/t/lfw-paid-senior-ue-gameplay-ai-developer-remote/2675376)
**Author:** [@Robson1](https://forums.unrealengine.com/u/Robson1)\ **Replies:** 4\ **Last updated:** [August 4, 2026, 7:02am UTC](https://forums.unrealengine.com/t/lfw-paid-senior-ue-gameplay-ai-developer-remote/2675376 "2026-08-04T07:02:55Z")
Hey, I’m Robert, a game developer with 9 years of experience. Skills: C++, C# AI, Gameplay, Blueprints, Animation, UI, Multiplayer, Sound, Optimization Platforms: PC, VR, Mobiles Projects: https://ap… --- ## [\[LFW PAID\] Jim Kroovy - Blender, Technical Artist, Programmer, Blueprints, C++, Python](https://forums.unrealengine.com/t/lfw-paid-jim-kroovy-blender-technical-artist-programmer-blueprints-c-python/2739617)
**Author:** [@Jim\_Kroovy](https://forums.unrealengine.com/u/Jim_Kroovy)\ **Replies:** 0\ **Last updated:** [July 30, 2026, 7:28pm UTC](https://forums.unrealengine.com/t/lfw-paid-jim-kroovy-blender-technical-artist-programmer-blueprints-c-python/2739617 "2026-07-30T19:28:22Z")
I’m the creator of Mr Mannequins Tools which got an Epic Megagrant some years ago and I’m excited and available to take on any work! I can fix or create almost anything in Blender and Unreal Engine, art, code, or anythin… --- ## [\[LFW PAID/CONTRACT\] Warp Studios - Unreal Engine, C++, Multiplayer and Backend Engineering](https://forums.unrealengine.com/t/lfw-paid-contract-warp-studios-unreal-engine-c-multiplayer-and-backend-engineering/2734889)
**Author:** [@WarpStudios](https://forums.unrealengine.com/u/WarpStudios)\ **Replies:** 0\ **Last updated:** [July 10, 2026, 3:37pm UTC](https://forums.unrealengine.com/t/lfw-paid-contract-warp-studios-unreal-engine-c-multiplayer-and-backend-engineering/2734889 "2026-07-10T15:37:38Z")
Skillset Unreal Engine architecture, C++, Blueprint systems, gameplay implementation, tools, and integrations Multiplayer networking, replication, sessions, lobbies, matchmaking, dedicated servers, and real-time servic… [Next page](https://forums.unrealengine.com/tag/multiplayer/70.md?match_all_tags=true&page=1&tags%5B%5D=Multiplayer)