The code that powers the website of the viral puzzle game Wordle can be copied and saved to continue playing it for the next seven years, it has been revealed.

Is Wordle too easy for you? Try it in Japanese. A screen shot of Kotonoha Tango shows how this Japanese game follows the basic idea of the hugely popular Wordle.

It was also possible to see upcoming solutions just by studying the source code of the Wordle website. So, how do you build something like Wordle yourself?

Nearly three million people are now playing Wordle online and the game’s popularity is believed to be linked to its combination of code-cracking, community and competition.