Elden Ring Seamless Co-op Mod

Seamless Co-op | Elden Ring

by Dona

Elden Ring Seamless Co-op Mod improvements to Elden Ring’s multiplayer cohesion.
Elden Ring best build for beginners

Creator: LukeYui

Elden Ring Seamless Co-op Mod

Elden Ring Seamless Co-op Mod
nowmods information

Credits and distribution rights

  • Assets of other users: All of the assets in this Seamless Co-op mod are either the author’s or free-to-use modder’s resources.
  • Upload authorization: Under no circumstances may you upload this Seamless Co-op mod to other websites.
  • Permission to modify: You must obtain my permission before modifying my files in order to improve them.
  • Permission to convert: Under no circumstances are you permitted to convert this Seamless Co-op mod for use in other games.
  • Permission to use an asset: You must obtain my permission before using any of the assets in this Seamless Co-op mod.
  • Asset use permission in purchased mods/files: This file’s assets may not be used in any mods or files that are sold for money on Steam Workshop or other platforms.
  • Permission to use assets in mods/files that earn donation points: You cannot earn Donation Points for your mods if they use my assets.

Notes from the Author
This author has made no additional notes about file permissions.

File credits
This author has not credited anyone else in this Seamless Co-op mod file

Version 1.2.5

  • Fixed a bug that would occasionally display “?NpcName? has been slain” when killing a substantial enemy for parties greater than 2
  • Fixed a bug that would occasionally spawn new guest players beneath geometry if the host is moving quickly through the world as they are joining
  • Fixed a bug that would occasionally cause the map to fail to load for guest players
  • Fixed a bug that would occasionally prevent guest players from respawning their horse when falling from a significant height
  • Fixed a bug that would cause the game to crash if a waypoint is removed after already being deleted
  • Fixed a bug that would cause substantial enemies to re-adjust their scaling parameters if a player or friendly NPC disconnected during the fight
  • Fixed a bug that would cause Melina to approach guest players inappropriately
  • Added measures to ensure critical networking packets do not get lost with unstable connections
  • Added a new event when a party dies to a boss
  • Seamless Co-op Network stability improvements

Version 1.2.4

  • Corrected an issue which allowed the game to un-do some of the mod’s patches

Version 1.2.3

  • Compatibility with game version 1.05

Version 1.2.2

  • Fixed a major bug which caused “Rot Essence” to not be correctly removed from player’s inventories
  • Fixed a major bug which allowed guest players to upgrade their flask past +12, resetting their flask level
  • You no longer have to be in a session to remove rot essence at a site of grace

Version 1.2.1

  • Fixed a bug that caused evergaols to be unusable in single player
  • Fixed a bug that would break spectator mode if you activated the fall death camera
  • Fixed an issue which caused enemies to attack players who are spectating

Version 1.2.0

  • Fixed a bug that allowed the host to spam evergaol begin votes
  • Fixed a bug that caused players to get locked in an animation when activating evergaols
  • Fixed a bug that caused sites of grace to be labelled as “Table of Lost Grace” and have their action button prompts moved
  • Fixed a bug that caused players to be stuck in the Round Table Hold if they had already killed Ersha
  • Fixed a bug that caused players to get duplicate event items if they disconnected during a loading screen
  • Fixed a bug that would occasionally cause the mod’s auxiliary connection to time out, meaning that additional functionality of the mod stopped working
  • Fixed a bug with the Seamless Co-op “neutral” game rule which caused enemy aggression to be affected
  • Fixed a bug with the Seamless Co-op “neutral” game rule which made it impossible to apply party buffs/heals to other players
  • The map will now close automatically once you cast a vote to warp
  • Evergaols are now named appropriately when someone votes to begin one
  • The mod will now check for updates on boot, and alert you if there is one available
  • Reworked Elden Ring’s p2p system

Version 1.1.0

  • Fixed a bug which caused some event-linked items (e.g. activated great runes) to not be given to guest players when consumed by another player
  • Fixed a bug which caused significant enemy Seamless Co-op synchronisation issues
  • Fixed a bug which would prevent guest players from respawning their horse
  • Fixed a bug that would occasionally let players respawn even when a boss health bar is present
  • Fixed a lingering bug which caused connection issues when joining from certain areas
  • Fixed a graphical bug which caused NPC invader health bars to duplicate
  • Added friendly fire mode. This means that you can injure other players, but they are not hostile
  • Added a HUD icon to indicate when you’re actively hosting a session, and when PvP mode is enabled
  • Added visual indicators to accompany the “Seperating Mist” item. To make it clear that it’s working

Version 1.0.1

  • Fixed an issue which prevented people from joining as co-operators from non-MP enabled areas
  • Fixed a crash caused by hovering over waypoints being deleted by another player
  • Adjusted enemy scaling, and added enemy posture scaling
  • If your character does not have the mods items, they are automatically given to you
  • Fixed some typos in the item descriptions

Version 1.0.0

  • Initial Seamless Co-op beta release

DESCRIPTIONS

Please read the entire mod description before using it. Because the mod is currently in early beta, you are very likely to encounter bugs. If you find any, please report them to me as thoroughly as possible, and I’ll work to fix them in future versions.

Elden Ring is a massive game, and it’s impossible to test every possible path/combination a party could take through it. The beta’s goal is to pool resources, gather as much information as possible, and fix bugs as they appear. Bug fixes will be released on a regular basis.

If you are looking for a bug-free experience, this Seamless Co-op version is not for you.

This Seamless Co-op mod has a Discord !

Seamless co-operative play

Simply put, the Seamless Co-op mod allows you to play with friends without restriction throughout the entire game. With this, it is theoretically possible to complete the game from tutorial to final boss in a single co-op session.

  • If a player dies, they will respawn at the last bonfire they rested at in the same world. The session is not going to be terminated.
  • Co-operators are no longer sent home after defeating enemy bosses and clearing areas.
  • All fog walls/barriers that normally restrict the multiplayer zone (along with their corresponding teleports) have vanished.
  • In a session, all players (assuming they have the whistle) can use torrent.
  • All map waypoints will synchronize, making it easier to navigate the world in a group.
  • When one player rests at a Site of Grace, the world state for all players is reset. This is required to avoid enemy desync.
  • Completing game progression events in online play will also advance the game in your own world.

Players may explore the entire game map (overworld, underground, legacy dungeons, etc.) together or separately. Marika’s stake is disabled in online play due to connection issues.

Quality of life improvements

Along with the core functionality of this mod, you may be interested in the following quality of life enhancements:

  • Because the Seamless Co-op mod disables Easy Anti-Cheat, the game runs without it. Other mods (such as game overhauls) can be used with your friends as long as everyone in the party has them installed. Please be courteous to your fellow participants and refrain from using mods if they are not welcome.
  • Frequent disconnections resulting in packet loss and bugs with Elden Ring’s Easy Anti-Cheat implementation are no longer an issue.
  • Because of the streamlined connection system, co-operators can join the host from anywhere in the world. Even if you do disconnect, you can quickly reconnect and pick up where you left off.

Balancing

This Seamless Co-op mod unquestionably simplifies the game. Invasions, the main disadvantage of cooperative play in the base game, are not possible with this mod’s design and thus have not been implemented. To compensate for this and keep the game challenging, the following mechanics have been added to the base game’s enemy health pool increases, as you would normally get with increasing phantoms:

  • Because you can now play with three phantoms (rather than just two in the base game), a third tier of enemy scaling has been added.
  • If one player sits by a bonfire while others are in boss rooms, those players will be kicked out.
  • Dying during a boss battle will place your character in limbo, observing other players until the party is defeated or a player rests at a site of grace. You can switch between different spectator views by using the arrow keys on your keyboard.
  • Dying in a cooperative session will cause your player to become rotted. Rot is a stackable debuff that grows stronger with each death. Only by sitting at a Site of Grace can rot be removed. When a player dies, one of the five types of rot is chosen at random. This has been implemented specifically to avoid one player dying repeatedly with no consequences while another player remains alive to prevent enemies from respawning.

Can this ban me?

No, the Seamless Co-op mod prevents you from connecting to FromSoftware’s matchmaking servers and uses different save files than the non-modified game. When using this mod, Easy Anti-Cheat is also disabled. This mod will not get you banned unless you modify it with the intention of connecting to vanilla players.

Because this mod adds new items not found in the base game, it employs a different save file than the standard ‘.sl2‘ extension. This means you won’t be able to access your Seamless Coop save files in the base game, and vice versa. If you revert mod save files to vanilla save files, you will most likely be banned.

INSTALLATION

It has not been tested for compatibility with other mods. Other mods may be used as long as they do not interfere with the multiplayer aspect of the game or modify any of the items used by the mod to function.

nowmods download

CLICK HERE TO DOWNLOAD Elden Ring Seamless Co-op Mod

  • Download the Seamless Co-op mod
  • Extract the package you downloaded, and move the following files to your Elden Ring folder (usually in “C:\Program Files (x86)\Steam\steamapps\common\ELDENRING\Game“)
  • Edit “cooppassword.ini” to your chosen co-op password
  • Launch the mod using “lauch_elden_ring_seamless_coop.exe

You are not required to uninstall the mod. When you want to play it, use the launcher; otherwise, run the game normally. Simply delete the files you downloaded from here to completely remove it.

How To Mod Elden Ring – Including the Seamless Co-op Mod

Here’s an example of how your Elden Ring file structure should look if everything is in order:

Elden Ring Seamless Co-op Mod
Seamless Co-op Folder

I strongly advise using a secure session password; if a player knows your co-op session password, they can join right away. To play multiplayer with others, the mod relies solely on Steam’s matchmaking interface.

One player must host, and all other players must participate. You must share the same password as the person(s) with whom you wish to play (found in the “cooppassword.ini” file).

To start a session, the host must use the Tiny Great Pot. The other players can then join using the Effigy of Meleina. You should spawn somewhere close to the host. Any player can leave at any time by using the Separating Mist – If the host uses this item, the session is terminated and all players are disconnected.

Frequently Asked Questions

FAQs

Does this Seamless Co-op worked for cracked/pirated games ?

No, I’m also not going to be supporting these versions so please don’t make bug reports about it

Isn’t this just easy mode ?

Not necessarily, while co-op play does make the game objectively easier, it’s also a completely different way to play the game. There are plenty of “easy mode” mods (such as this Easy Mode for Elden Ring) out that that just give you high health/damage.
This mod will be easier but is made in mind of those who want to play the game the whole way through with friends. It has been designed with fun in mind as opposed to reducing the challenge.

What about invasions ?

Invasions are not possible in this Seamless Co-op mod. You’re not connected to the matchmaking server so can’t be invaded by anyone else. This isn’t a design choice, it’s just the way it has to be to keep modded players separate from the vanilla player base.

Can I use my save game from the base game?

You can, although it would require more work. As mentioned the mod uses separate save files by using the “.co2” file extension instead of “.sl2.” Make a copy of your .sl2 file, then change the new copy to .co2. Once ingame, using Cheat Engine, spawn the new mod-specific items. Do not do this the other way around (moving your save from the mod to the base game) as you may get banned.

Special thanks

Alpha testers: joby, inuNorii, Emilia, Remyzk, Amir, Gáté, IshLexi, Hobotam, ibby, HEKTIK, Purpurea, Adopt a Cat, Jouta Kujo, Alpaca
Special thanks to Tremwil for his advice and code, specifically :horse:

Here’s some more Elden Ring mods:

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