
Interactive learningSecurity
Sentinel
Learn to spot phishing through an interactive escape room. Inspect fictional messages, follow the clues, and find your way out.
Play Sentinel (opens in a new tab)Independent ideas. A shared orbit.
Digital things made by Judika Marpaung. Explore a curious collection of useful tools, playful experiments, and considered websites.
Explore projectsSelected projects

Interactive learningSecurity
Learn to spot phishing through an interactive escape room. Inspect fictional messages, follow the clues, and find your way out.
Play Sentinel (opens in a new tab)
Creative toolPlay
Build a floral terrarium, set the mood, and turn its story into a poster. A little space to make something your own.
Open Bloom (opens in a new tab)
Studio & servicesWeb design
Web design and development for independent businesses, small teams, and creators. A place to bring your next website to life.
Visit JStudio (opens in a new tab)