Guess The FlagGeography and flag challenges with 190 country flags.
WELCOME TO ZRAIN
Made for people.
Built with purpose.
Explore the Zrain Ecosystem.
A collection of games, developer tools and simple web services. Built independently, connected through one identity.
THE COLLECTION / 01
Explore Zrain.
No concept-only listings. Just projects you can actually explore.
PLAY IN YOUR BROWSER
Games
A little challenge goes a long way. Open the real web editions directly in Zrain Console.
Memory RushChallenge your memory with Grid, Number and Pattern Recall.
FOR DEVELOPERS
Developer Tools
Reliable foundations and a shared visual identity for independent applications.
Zrain Auth StarterReusable Java Spring Boot authentication template with JWT and role-based access.
Zrain MonitorMonitor public HTTPS services, review incidents and check uptime.
Zrain UIShared design system and UI components for Zrain products.
USEFUL WHEN NEEDED
Online Services
Useful web services for specific tasks, available whenever you need them.
Zrain LinksCreate custom short links, QR previews and visits links.
Open these services whenever you need them.
ONE RECOGNIZABLE IDENTITY
Different ideas.
Same attention to detail.
Each project is useful on its own. Zrain UI keeps the experience familiar across the ecosystem.
View the projectsTHE APPROACH / 02
Built separately.
Connected thoughtfully.
Zrain creates games, developer tools and online services that people can use. Each project has its own purpose and technology, while a shared design identity keeps the experience familiar.
Useful on their ownEvery product is designed around a clear task or experience.
Independent by designProducts can run and evolve separately, with their own features and services.
Connected by Zrain UIOne recognizable visual language links the ecosystem together.
GET IN TOUCH / 03
Questions, feedback
or an idea?
Found something to improve, have a question about a Zrain product, or want to share an idea? Get in touch directly.