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Help Center· Privacy & Terms· Staff Support
Date of Last Revision: August 16, 2020

Please read the Terms of Service and Privacy Policy carefully. By accessing, browsing, using or registering with the website, Similar Worlds or Similar Worlds Mobile, you represent and agree that (1) you are at least 13 years of age, (2) you acknowledge that you have read, understood and agree with the Terms of Service, the Privacy Policy and the Cookies Policy and (3) you will comply and be bound by the Terms of Service and the Privacy Policy, including any future modifications.
If you do not agree to be bound by the Terms of Service or the Privacy Policy in their entirety or you are under 13 years of age, you are not authorized to use the website, Similar Worlds or Similar Worlds Mobile.
Similar Worlds contains JavaScript code and tools written by developers that kindly share their work for free. Similar Worlds also uses graphics and other work done by other great people.
Below we list the licenses of each of the scripts, tools and other contents we use. Keep in mind that this list may change at any time, as we are always actively working on this website.
Emoji on Similar Worlds
Similar Worlds uses Google Noto Emoji. This Emoji artwork is provided by Google.

Use of GeoLite2
This product includes GeoLite2 data created by MaxMind, available from

Use of MozJPEG, gifsicle and optipng
We use MozJPEG, gifsicle and optipng to optimize our images and photos. These tools are just great!

Use of Let's Encrypt
Let's Encrypt is a certificate authority (CA), a service provided by the Internet Security Research Group (ISRG). Connections to Similar Worlds are secure because we use SSL provided by Let's Encrypt.

Use of Sphinx Search
We use Sphinx Search provided by Sphinx Technologies Inc.

JavaScript modules
CSS Browser Selector 0.6.3 (2014-02-19)
Originally written by Rafael Lima (
Co-maintained by:

 * jQuery UI Touch Punch 0.2.3
 * Copyright 2011–2014, Dave Furfero
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * Depends:
 *  jquery.ui.widget.js
 *  jquery.ui.mouse.js

 * Mailcheck
 * Author
 * Derrick Ko (@derrickko)
 * Released under the MIT License.
 * v 1.1.2

Our Awards
The images used for our Awards (Trophy, Medal and Certificates) were designed by Freepik and Madebyoliver from Flaticon.

Disclaimer: Similar Worlds and all staff of Similar Worlds will not be held responsible for (1) any content generated by Similar Worlds users or (2) content that exists through any links posted on the Similar Worlds website.

Similar Worlds is in no way affiliated, endorsed, or sponsored by Experience Project.

Similar Worlds and all images associated with Similar Worlds are © Copyright 2021 Similar Worlds. All Rights Reserved.