Project Arrhythmia Multiplayer

A multiplayer mod for Project arrhythmia Alpha.

Supports up to 16 players!

Downloads the lobby's level if you dont have it.

Syncs random seed and speed/health modifiers.

Press Tab on keyboard, L1/LB on controller to show player names in game if youre lost.

Uses BepInEx.

Installation

(WIP)

• Download the latest BepInEx 6.0.0 il2cpp for Win x64 games build.
• Extract the files from the BepInEx zip into your game's exe folder (this can be found by right clicking PA on your steam library and going "manage->browse local files").
• Open the game, a terminal should show up. just wait for the game to open.

Note

The first time you open the game after every game update, it'll take a while to open.

• Close the game and download the PAM.zip from latest release of the Multiplayer mod.
• In your game's folder there will be a new folder called "bepinex". Extract PAM.zip inside the generated /bepinex/plugins/ folder.
• Open the game and enjoy!

How to use

Host

• Select any arcade level
• Start the level by pressing the Mutliplayer button
• Invite friends through Steam or Discord
• Wait for players to join your lobby and load the level (the indicator beside their names tell you when they've loaded)
• Click start log and have fun!

Join

• Join the host's game through a Discord or Steam invite
• Wait for the host to start the level and have fun!

Other Features

Queue

In Arcade now levels have a '+' button on them, pressing it queues the levels. after finishing a level click the continue button to load the next level in queue! works in Singleplayer and Multiplayer with a proper queue list in the lobby.

Discord Integration

The mod overhauls the discord rich presence of the game, it shows if you're in menus, the level youre currently playing or the level youre currently editing.

Along with that, it shows the players in your lobby and allows you to invite players through Discord! To do that, when in a lobby and having the discord desktop app open, click the '+' icon and click Invite ___ to Play Project Arrhythmia Multiplayer.

The invite also shows the level you're hosting!

Settings

The mod adds a few Multiplayer specific settings you should check out in the in-game settings menu.

• Player Hit SFX - Changes which players triggers the hit sound. Default is All Players.
• Player Hit Warp SFX - Changes which players triggers the warp effect on the song when a player is hit. Default is Local Player Only.
• Transparent Nanos - Makes every player other than yourself transparent to make it easier to see yourself.

Update Popup

When a new Multiplayer update is available a "Update Multiplayer" button will appear in the main menu!

Building

To build the mod from source, make a "lib" folder where the csproj is and put get all the assemblies required from the interop folder bepinex generates with the exception of 3 assemblies. For these exception you can either use the ones available in any Multiplayer release, or:

• Facepunch.Steamworks.Win64 - you have build it yourself from the Facepunch.Steamworks source.

Note

You have to build Facepunch.Steamworks yourself, the Facepunch.Steamworks release does not work.

• steam_api64 - You can use the steam_api64 available in Facepunch.Steamworks source as well.
• DiscordRPC - Use the latest release of Lachee's discord-rpc-csharp.

Thanks!

Pidge! for helping me and showing some of the source :)

Cozm for the logo!

Reimnop for some misc stuff(code that I "borrowed")

Vyrmax for helping me test for hours and hours a day :)