ExtendedPlayerCount

Raises the Gatekeeper co-op lobby size beyond the vanilla cap of 4 players.

Features

• Set your lobby size anywhere from 1 to 16 players
• Default cap is 6 players
• Fully configurable via the BepInEx config file
• No game files modified — safe to remove at any time

Requirements

• BepInEx IL2CPP 6.0.0-be.725 or newer

⚠️ All players in the session must have this mod installed and set to the same MaxPlayers value.

Installation

With Thunderstore Mod Manager (recommended)

1. Install Thunderstore Mod Manager
2. Search for ExtendedPlayerCount in the Gatekeeper section
3. Click Install
4. Launch Gatekeeper through the mod manager

Manual

1. Install BepInEx IL2CPP into your Gatekeeper folder
2. Drop ExtendedPlayerCount.dll into: BepInEx/plugins/ExtendedPlayerCount/
3. Launch the game once to generate the config file

Configuration

Edit BepInEx/config/com.yourname.extendedplayercount.cfg:

[General]
MaxPlayers = 6

Change the number to anything between 1 and 16 and restart the game.

Source Code

Built with BepInEx and Harmony. Patches Discord.LobbyTransaction.SetCapacity to override the lobby member cap at runtime.