To celebrate nerdle's 500th day (#nerdle500), we're giving you a chance to win some nerdle-themed books and t-shirts, simply by having some fun with our new cross nerdle game.

The challenge

There are 3 ways to win.

1. By being social!

Simply play cross nerdle and share your score on twitter / facebook.

2. By being numerical.

Create your own cross nerdle puzzle then share it with us. It's not as easy as it looks. We plan to share some of them online for nerdle fans to solve but you can send us solved or unsolved puzzles. .

3. By being creative.

Maybe you can do better than simply creating a standard cross nerdle puzzle. We'd love to see your cross nerdle creations - super hard puzzles, puzzles on a theme, puzzles in a certain shape. Or maybe you could even make one from things around the house. The crazier the better!

A "real" cross nerdle

To enter

The competition is open for a week from #nerdle500 day (3rd June). Submit your entries by 10 June on Twitter or Facebook by mentioning @nerdlegame. Please also follow us so we can message you if you win.

You can also email us at contact@nerdlegame.com.

We will announce our lucky book and t-shirt winners by 12 June.

For example....

To get you thinking, here are some we made earlier!

Terms and conditions

We will not be able to respond to every post. Re-sharing of your posts and the selection of winners is made at our entire discretion.

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