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<h1>Play and contribute to Open Food Facts!</h1>

<h2 class="subheader">Contributing to Open Food Facts becomes child's play thanks to this game imagined and created by some of our volunteer developers.</h2>

<div class="button_div unselectbuttondiv_front_en">
	<a href="https://hunger.openfoodfacts.org/" class="button">Play now</button></a>
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<p>We thank the many volunteers who have already <a href="https://world-en.openfoodfacts.org/help-complete-products">helped complete products</a> and invite you to discover this game.</p>
<p><strong>This game allows you to contribute to an open source project that benefits everyone in an easy, quick and fun way!</p>
<p class="callout" style="font-size:18px;padding:1%;border-top:dashed 1px #000;border-bottom:dashed 1px #000;">The information you add will be used by millions of people to choose better foods, and by public health research teams for their studies.</p>

<p class="callout panel">To start playing, create an Open Food Facts account, log-in, and click on <a href="https://hunger.openfoodfacts.org/">this link</a>.</p>

<p><strong>Want to know more before you get started?</strong>Find out more about the game below!</p>

<h3>How does this game work?</h3>

<p>The game randomly loads a product from Open Food Facts that needs to be completed. The interface is simple, allowing you to interact by answering a question about an attribute of the product by "Yes, Skip or No" and get more product information if needed.</p>

<p>The interface is divided into 3 parts:</p>
<div><img style="max-height:400px" src="/images/misc/hunger-game-0.png" alt="Screenshot of Hunger Game"></div><br>

<h3 style="background-color:#00d400;padding:1%;color:#fff;font-weight:bold;">1. The question</h3>
<p>To answer the question, just click on one of the 3 options (Yes/No/Skip) and the game will automatically move onto the next product.</p>

<p>At the top of the screen are 4 buttons (filters) allowing you to select the type of questions you wish to answer:</p>
<ul>
<li><strong>label</strong>: Whether the brand has a specific label such as "Organic" or "Fair trade"</li>
<li><strong>category</strong>: Whether the product belongs to a specific category such as "Yogurts" or "Chocolate cookies"</li>
<li><strong>brand</strong>: Questions relating to the brand of the product</li>
<li><strong>product_weight</strong>: Questions relating to the weight of the product (eg 100 g, 1L, etc.)</li>
</ul>
<p>You can see below:</p>
<ol>
<li>A search field, allowing you to specify which brand, label, category you want to work on,</li>
<li>The question to be answered, such as "Does this product correspond to the indicated value?"</li>
<li>a photo of the product,</li>
<li>3 buttons to answer the question.</li>
</ol>

<p><strong>When you are not 100% sure of your answer you must answer "Skip"!</strong>Above all, do not answer "Yes" or "No" if you are not sure of your choice.
Another person will take care of answering this question later. This game is above all collaborative and aims to contribute efficiently and qualitatively to Open Food Facts data.</p>

<h3 style="background-color:#00d400;padding:1%;color:#fff;font-weight:bold;">2. Access information</h3>
<p>If the answer is not visible on the product image, this part of the screen allows you to view the product information. You can click on:</p>
<ul>
<li>Product photos you can zoom on,</li>
<li>The "View" button: provides access to the product page on the Web version of Open Food Facts,</li>
<li>The "Edit" button: lets you edit the product on Open Food Facts,.</li>
</ul>
<p>This last option is useful when the product requires further modification.</p>
<h3 style="background-color:#00d400;padding:1%;color:#fff;font-weight:bold;">3. Annotations</h3>
<p>On the far right of the screen (or at the very bottom of the screen if you are on mobile), there are annotations that let you know:</p>
<ul>
<li>The number of products remaining to be treated (varies depending on the filters applied),</li>
<li>The number of annotated products,</li>
<li>A history of the latest actions taken during your session.</li>
</ul>

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<p>If you have any questions or comments, please don't hesitate to contact us on the Slack or on <a href="https://www.facebook.com/groups/openfoodfacts.fr/">the Facebook group</a>.</p>

<h2>Thank you!</h2>

<p>Open Food Facts is a non-profit project that could not exist without your help. Data on the foods we eat have many uses and can change the lives of many people. This is why all the data we collect is freely accessible to everyone, in open data, so that we can build a common good that benefits everyone.</p>

<p>So your contributions will help millions of people who use our mobile app and website to choose better food,
as well as public health researchers who use our data for their studies.</p>

<p><b>Thank you very much for your help and support!</b></p>
