Seamless Co-op (Nightreign)
Autor:YuiLast updated:08/10/2025 03:00:12475.8K3.5MB
Mod Introduction
Multiplayer enhancement mod for Elden Ring: Nightreign
Please read the full mod description carefully before use. The mod is currently in early development, so you are likely to experience bugs at 4 - 6 player counts
This mod has a discord! (I am not affiliated with the discord)
This mod will be expanded on in the future. For now it only includes the following:
- 1 - 6 player lobbies
- Party member visibility in the Round Table Hold
- Customisable enemy scaling
- Mod-compatibility (due to EAC not running)
If you're enjoying this mod, and want to support me, you can buy me a coffee here. Or if you like I have a patreon here:
https://www.patreon.com/c/LukeYui
In the settings file you will notice the scaling options set up like "health_scaling = 100". This means that it will be 100% of the *vanilla* game scaling formula applied per additional player (not that enemies get 100% more health per player).
For example if an enemy gets 25% more health per player in the base game, setting health_scaling to 50 would mean a gain 12.5% health, and if you set it to 1000 it'd get 250% more health etc.
Most basic camp enemies you find will have no scaling in the vanilla game, therefore there will be no difference in their health even with a full party, however you will notice this most on mini-bosses and bosses.
Everdark bosses are controlled by Fromsoftware's matchmaking servers. As seamless users cannot and should not connect to these, I have made a temporary solution to the activity of Everdark bosses.
This solution requires seamless co-op to communicate with GitHub. If you or your country have GitHub blocked, this feature will not work. A more reliable solution will be created in the future.
Similar to Everdark bosses - The Endless Night is controlled by Fromsoftware's matchmaking servers.
This solution also requires seamless co-op to communicate with GitHub. If you or your country have GitHub blocked, this feature will not work.
No. The mod prevents you from connecting the FromSoftware's matchmaking servers, and it uses save files different to the non-modded game. There's no way to get banned using this mod unless you modify it with the intent of connecting to vanilla players.
You do not need any other mods to use seamless co-op. The NexusMods 'Requirements' tab is mods that require Seamless Coop, not the other wayaround.
Compatibility with other mods has not been tested. You may use other mods, so long as they do not interfere with
the multiplayer aspect of the game, or edit any of the items the mod
uses to function.
You don't really have to uninstall the mod. You can use the launcher when you want to play it, otherwise just run the game normally. If you'd like to remove it fully, simply delete the files you downloaded from here.
Within the SeamlessCoop folder should look like this
You must be signed into Steam, and not in be offline mode to use the mod.
You and your party members must be running the same version of the mod and the game to play with each other.
Invite your friend(s) to your party how you normally would by creating a party and inviting them through steam.
1) Will this synchronise the progress with my friends?
No, this isn't necessary for Nightreign
2) What about modification permission
Please do not modify, redistribute, or bundle this mod without my permission. Please send me a message if you'd like to re-upload it elsewhere
3) What about random matchmaking?
No, just play vanilla for random matchmaking
Special thanks to Church Guard for letting me use his server for reversing & testing some server-specific features <3
This mod has a discord! (I am not affiliated with the discord)
This mod will be expanded on in the future. For now it only includes the following:
- 1 - 6 player lobbies
- Party member visibility in the Round Table Hold
- Customisable enemy scaling
- Mod-compatibility (due to EAC not running)
If you're enjoying this mod, and want to support me, you can buy me a coffee here. Or if you like I have a patreon here:
https://www.patreon.com/c/LukeYui
Customisable scaling
In the settings file you will notice the scaling options set up like "health_scaling = 100". This means that it will be 100% of the *vanilla* game scaling formula applied per additional player (not that enemies get 100% more health per player).
For example if an enemy gets 25% more health per player in the base game, setting health_scaling to 50 would mean a gain 12.5% health, and if you set it to 1000 it'd get 250% more health etc.
Most basic camp enemies you find will have no scaling in the vanilla game, therefore there will be no difference in their health even with a full party, however you will notice this most on mini-bosses and bosses.
Everdark bosses
Everdark bosses are controlled by Fromsoftware's matchmaking servers. As seamless users cannot and should not connect to these, I have made a temporary solution to the activity of Everdark bosses.
This solution requires seamless co-op to communicate with GitHub. If you or your country have GitHub blocked, this feature will not work. A more reliable solution will be created in the future.
Endless Night
Similar to Everdark bosses - The Endless Night is controlled by Fromsoftware's matchmaking servers.
This solution also requires seamless co-op to communicate with GitHub. If you or your country have GitHub blocked, this feature will not work.
Can this ban me?
No. The mod prevents you from connecting the FromSoftware's matchmaking servers, and it uses save files different to the non-modded game. There's no way to get banned using this mod unless you modify it with the intent of connecting to vanilla players.
Installation
You do not need any other mods to use seamless co-op. The NexusMods 'Requirements' tab is mods that require Seamless Coop, not the other wayaround.
Compatibility with other mods has not been tested. You may use other mods, so long as they do not interfere with
the multiplayer aspect of the game, or edit any of the items the mod
uses to function.
- Download the mod from the 'Download' tab
- Extract the package you downloaded, and move the following files to your Elden Ring Nightreign folder (usually in "C:\Program Files (x86)\Steam\steamapps\common\ELDEN RING NIGHTREIGN\Game")
- Launch the mod using "nrsc_launcher.exe"
You don't really have to uninstall the mod. You can use the launcher when you want to play it, otherwise just run the game normally. If you'd like to remove it fully, simply delete the files you downloaded from here.
Within the SeamlessCoop folder should look like this
Use
You must be signed into Steam, and not in be offline mode to use the mod.
You and your party members must be running the same version of the mod and the game to play with each other.
Invite your friend(s) to your party how you normally would by creating a party and inviting them through steam.
Frequently Asked Questions
1) Will this synchronise the progress with my friends?
No, this isn't necessary for Nightreign
2) What about modification permission
Please do not modify, redistribute, or bundle this mod without my permission. Please send me a message if you'd like to re-upload it elsewhere
3) What about random matchmaking?
No, just play vanilla for random matchmaking
Special thanks
Special thanks to Church Guard for letting me use his server for reversing & testing some server-specific features <3
This tool is provided by the third party [bufftool]
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