Added Posio and fixed Hextris under Games (#668)

README.md

@@ -546,7 +546,8 @@ Some [Groupware](#groupware) solutions also feature file sharing and synchroniza
   * [Agar.IO Clone](https://github.com/huytd/agar.io-clone) - Agar.io clone written with Socket.IO and HTML5 canvas. `MIT` `Nodejs`
   * [Clumsy Bird](https://github.com/ellisonleao/clumsy-bird) - A MelonJS port of the famous Flappy Bird Game. ([Demo](http://www.ellison.rocks/clumsy-bird/)) `MIT` `Nodejs`
   * [Cubiks-2048](https://github.com/Kshitij-Banerjee/Cubiks-2048) - Clone of 2048 game in 3D. ([Demo](https://kshitij-banerjee.github.io/Cubiks-2048/)) `CCBYNCv4` `HTML5`
-  * [Hextris](https://github.com/Hextris/hextris) - Fast paced HTML5 puzzle game inspired by Tetris. ([Demo](https://github.com/Hextris/hextris)) `GPLv3` `HTML5`
+  * [Hextris](https://github.com/Hextris/hextris) - Fast paced HTML5 puzzle game inspired by Tetris. ([Demo](http://hextris.io/)) `GPLv3` `HTML5`
+  * [Posio](https://github.com/abrenaut/posio/) - A geography multiplayer game. ([Demo](https://posio.abrenaut.com/)) `MIT` `Python`
   * [TournamentMango](http://tournamentmango.com/) - TournamentMango is an open source tournament bracket and user management system. You can build an archive of players and keep track of all their scores over time as well as their regular characters, games, and aliases. ([Source Code](https://github.com/seiyria/tournamentmango)) `MIT` `Javascript`
   * [untrusted](https://github.com/AlexNisnevich/untrusted) - Untrusted is a unique puzzle game designed for geeks and developers, where you solve the puzzles in the game by reading and writing Javascript. ([Demo](http://alex.nisnevich.com/untrusted/)) `CCBYNCSAv3/Custom` `Nodejs`