Fomo
A BepInEx mod for On Together that enhances the in-game chat with chat logging, configurable message limits, and in-game utility commands.
Features
- Chat logging — Saves all chat messages to a file with timestamps and channel labels
- Configurable notification limit — Raises the hardcoded 99-message notification badge cap
- Configurable chat window size — Increase how many messages are visible in the global and local chat windows
- In-game commands — Toggle and configure all features without leaving the game
Installation
Use r2modman for simpler installation.
- Install BepInEx into your On Together game folder
- Copy
AndrewLin.Fomo.dll into BepInEx/plugins/
- Launch the game — the mod will load automatically and generate a config file at
BepInEx/config/com.andrewlin.ontogether.fomo.cfg
Configuration
Settings can be changed in the config file or using in-game commands (see below).
Located in {BepInExConfigPath}/com.andrewlin.ontogether.fomo.cfg
- General
EnableFeature (default: true) — Enable or disable all mod featuresShowCommand (default: false) — Show commands in chat when usedEnableChatFileLogging (default: true) — Enable chat log file writingChatLogPath (default: BepInEx/on_together_chat_log.txt) — Path to the chat log fileCleanChatLogTags (default: false) — Strip TMP color/formatting tags from the chat log
- Chat
GlobalMessageLimitCount (default: 50) — Max messages shown in global chat window (game default: 50)LocalMessageLimitCount (default: 25) — Max messages shown in local chat window (game default: 25)
The notification badge cap (originally hardcoded to 99) is raised to 300 by default and can be changed via NotificationLimit in the config.
Chat Log Format
Each line in the log file looks like:
[2026-02-18 21:34:12] [Global] PlayerName: hello world
[2026-02-18 21:34:15] [Local] OtherPlayer: hey!
The log file is cleared on each game launch.
In-Game Commands
Type any command into the in-game chat. Commands start with / and are not sent to other players.
/fomohelp (/fh) — List all available Fomo commands/fomousefeature (/uff) — Toggle all Fomo features on/off/fomoshowcommand (/sfc) — Toggle whether commands are visible in chat/fomousechatlog (/fucl) — Toggle chat file logging on/off/fomogetchatlogpath (/fgclp) — Print the current chat log file path/fomosetchatlogpath <path> (/fsclp) — Set a new path for the chat log file/fomocleanchatlogtags (/fcclt) — Toggle stripping TMP tags from the chat log/fomosetmessagelimit [global|local] <number> (/fsml) — Set the global or local chat window message limit
Examples
/fomosetmessagelimit global 100
/fsml local 50
/fomosetchatlogpath C:\Logs\chat.txt
/fomousechatlog
Building from Source
Requires .NET SDK and the game's managed DLLs referenced in the project.
dotnet build
Output DLL will be in Fomo/bin/.
