v0.5.11 — community fork

Game Dev Tycoon
Multiplayer Mod

Compete head-to-head with friends. Build your studio, release games, develop consoles — all in real time. Community-patched master server at 51.81.80.10.

Install in four steps

The client mod drops into your Game Dev Tycoon mods folder. No extra software required.

01 — Download

Get the client mod

Download Client_Mod.zip from downloads below and unzip it.

02 — Locate

Find your mods folder

Steam → right-click Game Dev Tycoon → Manage → Browse local files. Open the mods/ folder.

03 — Copy

Drop in the mod

Copy the dmultiplayer/ folder into mods/ so the path is mods/dmultiplayer/.

04 — Connect

Join a server

Launch the game, click Multiplayer in the main menu, and enter a server IP to connect.

Requires Game Dev Tycoon v1.6.13 or later. The mod folder must be named exactly dmultiplayer.

Files

Client mod for players, server package for hosts.

Stable

🎮 Client Mod v0.5.11

Install into your mods folder. Patched to use the community master server at 51.81.80.10.

↓ Download Client
Stable

💻 Server Package

Full server for Ubuntu 22.04. Patched binary, Linux launcher, systemd service, and one-command install script.

↓ Download Server
Optional

🛡 Anti-Cheat Plugin

Detects money hacks, instant research, achievement floods, and known cheat mods. Included in the server package.

View in plugins ↓
Optional

🏁 Game End Conditions

Win by cash, fans, review score, consoles, games released, or time limit. Posts a final scoreboard.

View in plugins ↓

Server commands

Type these in the server console. Commands marked ★ require operator status.

CommandDescription
kick <id> [reason]★ Kick a player.
ban <id> [reason]★ Kick and ban a player's IP.
unban <ip>★ Remove a banned IP.
op <id>★ Grant operator privileges.
deop <id>★ Remove operator privileges.
say <message>★ Broadcast to all players.
privmsg <id> <msg>★ Send a private message.
maxmoney <amount>★ Auto-kick if cash exceeds this. -1 = off.
playersList connected players and IDs.
playerinfo <id>Show details about a player.
statsShow server statistics.
enableplugin <file.js>★ Load a plugin from plugins/ folder.
disableplugin <file.js>★ Stop a running plugin.
pluginsList loaded plugins.
srvbrowser <true/false>★ Toggle server browser visibility.
myipShow the server's public IP.

Plugin hub

Server-side JS plugins. Drop into extracted/plugins/ and enable with enableplugin filename.js.

🛡

Anti-Cheat

Money hacks, instant research, achievement floods, known cheat mods. Warn or kick/ban.

Serverv1.02 files
↓ Download
💬

Chat Filter

Profanity filter, rate limiting, repeat detection, length cap, timed mutes.

Serverv1.02 files
↓ Download
🏁

Game End Conditions

Cash, fans, RP, games, consoles, score, year limit, or timed mode. Final scoreboard.

Serverv1.02 files
↓ Download

Share your plugin

Made something useful? Upload it for the community. Reviewed before appearing in the list.

📦

Drop your .js file here

.js files only — max 256 KB

file selected

Fill in details below and submit.

Run your own server

Ubuntu 22.04 + Mono. Any VPS with 1 GB RAM. One script installs everything.

# 1. Upload GDTMP_Ready.zip to your server and unzip
unzip GDTMP_Ready.zip -d /tmp/gdtmp
# 2. Run install script as root
cd /tmp/gdtmp && sudo bash install.sh
# 3. Check status
systemctl status gdtmp-server gdtmp-master
# 4. Watch live logs
journalctl -u gdtmp-server -f
Port

3966 / TCP

Game server port. Open in your firewall.

Port

80 / TCP

Master server API + web dashboard.

Dashboard

Server browser

Live list at /gdtmp/ on your server IP.

Plugins

extracted/plugins/

Drop .js files here, enable with console.