If you're in need of something to give your brain a boost as we near the end of the week, a good brainteaser might just do the trick.
They're great for sharpening your focus and improving your perception skills, and there are so many to choose from - but nothing will get your mind working better than when you're trying to beat the clock and solve it.
And one of the latest brain teasers challenges eagle-eyed players to crack it and spot the hidden word in just five seconds or less if you want to win.
So if you're up to the task, get your timers at the ready and take a look at the sea of words below. At first glance, they all look like the word 'zeal', but there's a rogue 'seal' hidden in there that players must spot.
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