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Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert matthijsgroen Follow Overview Repositories 97 Projects 0 Packages 0 Stars 144 More * Overview * Repositories * Projects * Packages * Stars matthijsgroen Follow Matthijs Groen matthijsgroen Follow Webdeveloper @kabisa . Likes to tinker with game-development, all webbased. Currently into building a nice web adventure game engine. 66 followers 33 following * @kabisa * Maastricht, The Netherlands * http://geppetto.js.org * @matthijsgroen.bsky.social * https://buymeacoffee.com/matthijsgroen Achievements x4 x4 Achievements x4 x4 Organizations Block or report user Block or report matthijsgroen Block user Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users . You must be logged in to block users. Close all issues, pull requests, and discussions opened by this user Content in all repositories owned by your account will be closed. Add an optional note Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you. Block user Report abuse Contact GitHub support about this user’s behavior. Learn more about reporting abuse . Report abuse Overview Repositories 97 Projects 0 Packages 0 Stars 144 More * Overview * Repositories * Projects * Packages * Stars matthijsgroen / README .md Hi there 👋 * 🔭 I’m currently working on math puzzle game. Github , Play beta 🏁 Personal projects I'm proud of: 🍀 Block Sort : A PWA Mobile game where you sort blocks in stacks. Github , Play Proud about: Building it in a matter of weeks, using only one image. 🌲 Geppetto : An electron app to create WebGL Animations, and a player for web. Website , App (search for geppetto) , PWA (in development) , Npm package , Repo 🚀 Speedlazer : A webbased 2d shooter game. Github , Play Play Sinterklaas Edition Proud about: GameController support. First WebGL Game with own shaders, own textures, own particle engine. 📖 Koerier van de koning : A dutch webbased text adventure. Github , Play Proud about: Writing the stories and defining the puzzles. I really love the story and puzzles of this one. 🎁 Sinterklaas : A dutch graphical point and click adventure. Github , Play Proud about: Building the game engine from scratch. Doing all the drawings. Finishing the project on time! 🎁 Tristamon : A dutch turn based game. Github , Play Proud about: Building the game engine from scratch. Doing all the drawings, animating it with Geppetto, creating the combat engine. Finishing the project on time! 📊 Ebnf 2 Railroad : A nice tool to produce beautiful documentation from EBNF definitions. Github , Try Online Proud about: Writing a parser using Jison, creating all kinds of cool AST optimizations, creating an ASCII version of railroad Github Still in development, but progressing slowly * 🔭 I’m currently working on a webbased graphical adventure game engine. Github * 🔭 I’m currently working on Geppetto v2. Github Other work: * My code pens * My TypeHero profile * My NPM Packages * My Deviant art Pinned Loading * block-sort block-sort Public 🍀 mobile sorting puzzle game TypeScript 31 6 * speedlazer/ speedlazer speedlazer/speedlazer Public 🚀 SpeedLazer, a side-scrolling shooter / shmup! JavaScript 23 3 * tekst-avontuur tekst-avontuur Public 📖 Nederlands tekst avontuur HTML 5 2 * sinterklaas sinterklaas Public 🎁 Adventure game (with engine) TypeScript 3 * geppetto geppetto Public 🎨 Tool for creating WebGL Animations TypeScript 76 4 * ebnf2railroad ebnf2railroad Public 📔 Create beautiful documentation for EBNF JavaScript 68 11 Something went wrong, please refresh the page to try again. If the problem persists, check the GitHub status page or contact support . Uh oh! There was an error while loading. Please reload this page . Footer (c) 2026 GitHub, Inc. Footer navigation * Terms * Privacy * Security * Status * Community * Docs * Contact * Manage cookies * Do not share my personal information You can’t perform that action at this time.