About You Don't Know Jack
The irreverent trivia game show with a sarcastic host and pop-culture questions.
You Don't Know Jack (1995) by Jellyvision is a comedy trivia game presented as a TV quiz show. A snarky host asks questions mixing high culture and pop culture, with special rounds like Gibberish and the Jack Attack.
It is best with friends; questions are in English.
Available browser projects
You Don't Know Jack at a glance
- Genre
- Party
- Original release
- 1995
- Developer
- Jellyvision
- Publisher
- Berkeley Systems
- Browser version
- ydkj.co.uk
- Price
- Free
- Download
- Not required — runs in the browser
- Devices
- PC or laptop with keyboard and mouse
- Online play
- Depends on the build
How to play You Don't Know Jack in your browser
- Press Play in browser — the game opens on ydkj.co.uk in a new tab.
- Wait while the game files load. The first start can take from a few seconds to a few minutes depending on your connection; later starts are faster because the browser caches the files.
- Click inside the game window so it captures the keyboard and mouse, then switch to fullscreen (F11 or the host's fullscreen button).
- Open the in-game settings to adjust controls, graphics and sound. Progress is normally kept in your browser storage, so don't clear site data if you want to keep your saves.
You Don't Know Jack controls
Default layout for this browser version. Keys can differ between builds, and most hosts let you rebind them in the settings. A USB or Bluetooth gamepad usually works too.
| Action | Key |
|---|---|
| Use / interact | Left click |
| Zoom | Mouse wheel |
| Menu / pause | Esc |
What to expect from the browser version
The browser version of You Don't Know Jack is an independent web project — a port, recompilation or fan remake — hosted on ydkj.co.uk. It is not an official release from Berkeley Systems, and MePlayable does not host any game files: we describe the game and link to the project.
Because the game runs inside a browser tab, some features of the 1995 original may be missing or work differently: online modes, cutscenes, saves, mods and graphics options depend on the build. If something doesn't work, check the host's own notes.
Requirements
A modern desktop browser — Chrome, Edge, Firefox, Opera or Safari 16+ — with WebAssembly and WebGL enabled, at least 4 GB of RAM and a stable connection for the first load. Hardware acceleration should be switched on in the browser settings.
If You Don't Know Jack doesn't start
- Black screen or endless loading — update the browser, enable hardware acceleration and reload the page with Ctrl+F5.
- No sound — click inside the game window: browsers only allow audio after you interact with the page.
- Lag or low FPS — close other heavy tabs and programs, then lower the resolution or graphics settings in the game.
- The site doesn't open — the host may be temporarily down or blocked in your region. Try again later or use another project link on this page.
Screenshots (2)
Videos and trailers
You Don't Know Jack: frequently asked questions
Which site hosts the browser version of You Don't Know Jack?
The playable web version of You Don't Know Jack runs on ydkj.co.uk. MePlayable doesn't host game files: we check the link, explain controls and point you to the project page.
Can I play You Don't Know Jack online for free?
Yes. The browser version on ydkj.co.uk is free to open, and MePlayable doesn't charge anything — we simply link to the project.
Do I need to download You Don't Know Jack?
No. You Don't Know Jack runs directly in a browser tab using WebAssembly and WebGL, so there is no installer and nothing to download. The browser only caches files to make the next launch faster.
Can I play You Don't Know Jack on a phone?
The browser version is made for computers and expects a keyboard and mouse or a gamepad. Some phones and tablets can open it, but performance and touch controls are not guaranteed.
Can I play You Don't Know Jack with friends?
The original game had multiplayer, but online play in the browser depends on the build: some versions are single-player or local only. Check the host's menu for online options.
Is this the official You Don't Know Jack?
No. The original You Don't Know Jack was developed by Jellyvision and released in 1995. The browser version is a third-party project, and all rights to the game belong to their owners.
Will my progress be saved?
Usually yes: saves are stored in your browser's local storage on this device. They are lost if you clear browser data, use private mode or switch to another browser or device.
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