OPEN PARTY LAB
Draw & Guess on the shared screen: a rocket drawing and players’ guesses

Free. Open source. Better together.

OPEN
PARTY LAB.

One screen.
Everyone plays.

Draw, bluff, guess and outsmart your friends.
A shared screen is the stage. Your phone is the controller.

Play online Find your next game ↓

Work in progress. Ready for your next playtest.

On screen: Draw & Guess / example round

Less setup. More playing.

Bring your people.
They bring their phones.

  1. 01

    Open a room

    Use the online test server or run Open Party Lab on your Windows PC. Put the host view on a shared screen.

  2. 02

    Scan & join

    Players scan the room’s QR code with their phones. Controllers run in the browser.

  3. 03

    Pick a game. Go.

    Try a quick drawing round, a bluffing game or a whole table of cards. Change games with the same group.

A few ways to spend the evening

Find your kind of chaos.

Creative answers. Suspicious friends.
One more round.

Blickwinkel voting screen with four creative answersView screenshot ↗

Blickwinkel

Photo & drawing

Make something unexpected. Submit photos or drawings, then vote for your favourite answer.

Schaetzorama comparing players’ estimates with the correct answerView screenshot ↗

Schaetzorama

Estimation quiz

How close can you get? Estimate, rank and match your way through surprising questions.

A rocket drawn during a Draw & Guess roundView screenshot ↗

Draw & Guess

Drawing & guessing

Your phone is the canvas. Everyone else tries to figure out what on earth you’re drawing.

Imposter showing players and progress of secret phone votesView screenshot ↗

Imposter

Bluffing & deduction

Someone is missing the secret word. Trade clues, read the room and cast your vote in secret.

Card Table with four players around a Mau Mau gameView screenshot ↗

Card Table

Classic card games

A shared table, a private hand on your phone. Play Mau Mau, Rommé, Doppelkopf and more.

Symbol Hunt showing a central card covered in illustrated symbolsView screenshot ↗

Symbol Hunt

Spot it first

Find the matching symbol before your friends do. A quick reaction game inside Card Table.

Arena Survivor in its illustrated Frostfire Saga arenaView screenshot ↗

Arena Survivor

Co-op survival

Choose your character and survive the waves together. Grow stronger as the arena fills with enemies.

Buzzwort shared screen during a word-guessing roundView screenshot ↗

Buzzwort

Word guessing

Get your team to guess the word without saying the forbidden clues. Think fast and choose your words carefully.

Chaos-Kommando artillery battle on an island arenaView screenshot ↗

Chaos-Kommando

Turn-based artillery

Line up a shot, pick a wild weapon and reshape the battlefield. Your commandos take turns making a mess.

Drift Racer showing cars on the shared race trackView screenshot ↗

Drift Racer

Arcade racing

Steer from your phone and race your friends around the track. Chase the next corner and the finish line.

Magic Arena showing a three-dimensional hex battlefieldView screenshot ↗

Magic Arena

Hex tactics

Plan in secret, then watch everyone’s moves resolve. Use cards and positioning to survive a shrinking arena.

Magic Duell split-screen view of a wizard duelView screenshot ↗

Magic Duell

Wizard duels

Draw spells on your phone and face another wizard. Time your shields and attacks to win the duel.

MinionsTD battlefield with towers and advancing unitsView screenshot ↗

MinionsTD

Competitive tower defense

Build your defenses and keep the minions at bay. Compete with your friends in a tower-defense showdown.

Word Tiles shared board with letter tilesView screenshot ↗

Word Tiles

Word board

Find a place for your letters on the shared board. Build words and make the most of your tiles.

Current Pantomime host with solved words, guessers, a timer and standingsView screenshot ↗

Pantomime

Charades

Act out the private prompt on your phone while the others guess aloud. Play solo or in teams.

Keep exploring: the full catalog also includes games without screenshots yet.

Explore the full game catalog ↗

The gallery includes current and earlier interface captures with example players and round states. Older captures may differ from today’s games. Some in-game text is German. Game languages and development stages vary. Screenshot notes ↗

Your next game night starts here

Two ways to get together.

01 / ONLINE

Take it for a spin.

Open the public test server and create a room. No local server setup required.

Try the online server ↗

The free test server may take about a minute to wake up. Rooms are temporary and can disappear after a restart.

02 / ON YOUR NETWORK

Host it yourself.

Download the Windows release, extract the complete ZIP and launch Open-Party-Lab.exe. Connect phones to the same Wi-Fi.

Download for Windows ↓

Node.js is bundled. Community builds are unsigned, so Windows may show a SmartScreen warning. Prefer running from source?

This is an actively developed project. Expect rough edges and unfinished games. Read the current project status ↗

The lab is open

Help make the
next round better.

You don’t need to build a whole game to make a difference.

Play a round. Tell us what broke.Playtesting guide ↗Improve controls, translations or rules.Contribution guide ↗Have an idea? Build a mini-game.Mini-game SDK ↗Found a bug or have a suggestion?Open an issue ↗
Step inside the lab ↗