Add the Word Mastermind Game (#2843)

README.md

@@ -985,6 +985,7 @@ Games, game servers and control panels.
 - [Teeworlds](https://www.teeworlds.com) - Open source 2D retro multiplayer shooter. ([Source Code](https://github.com/teeworlds/teeworlds)) `BSD-3-Clause/Other` `C++`
 - [The Battle for Wesnoth](https://github.com/wesnoth/wesnoth) - The Battle for Wesnoth is an Open Source, turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat. `GPL-2.0` `C++`
 - [Wordle](https://reactle.vercel.app/) - An Open Source Wordle game. Guess the Wordle in six tries. Each guess must be a valid five-letter word. ([Source Code](https://github.com/cwackerfuss/react-wordle)) `MIT` `Nodejs`
+- [Word Mastermind](https://github.com/clupasq/word-mastermind) - Wordle clone. A Mastermind-like game, but instead of colors you need to guess words. ([Demo](https://word-mastermind.glitch.me/)) `MIT` `Nodejs`
 - [Zero-K](https://zero-k.info/) - Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play. ([Source Code](https://github.com/ZeroK-RTS/Zero-K)) `GPL-2.0` `Lua`