Case in point, the Raspberry Pi Foundation’s guide to making a cool little Halloween-themed spot the difference game that hides a goofy little prank. The idea of the game itself is easy enough.

Test your puzzle-solving skills and try this spot-the-difference challenge, which includes five differences within two festive images. How fast can you find them?

IF YOU can spot the five key differences in this cosy autumn scene then you might just have a high IQ. But this could prove to be one of the toughest brain teasers yet as both images appear complet… ...

Only those with the sharpest eyesight can spot the odd one out in under 14 seconds This spooky brainteaser challenges people to find the odd one out in the picture within a short space of time.

Can you spot the five differences in this Halloween scene? Credit: DCUK Original wooden duck specialists DCUK have been experiencing some spooky shenanigans recently.

If you think you have a sharp eyesight, put your peepers to the test with this mind-boggling brainteaser. As autumn comes into full swing, it also means we're closer to Halloween, so what better ...

The Central Intelligence Agency (CIA) has gotten its Twitter followers in the Halloween mood with a spooky game of spot the differences.

British blinds retailer 247 Blinds have hidden a hedgehog in a leafy autumn scene for a tricky brainteaser. Can you spot the critter among the leaves, acorns and pine cones?

As we edge further and further towards spooky season, things are getting exciting - autumn leaves are falling, Halloween decorations are in the shops, and you may even be picking out the perfect ...

Surrounded by spooky creatures such as skeletons, zombies, witches and werewolves, can you spot the ghost in this Halloween-themed puzzle? (pictured) ...

JoJo & Gran Gran have thrown a Halloween party and everyone has dressed up! Can you spot all of the spooky differences in these pictures that were taken during the party?

IF YOU can spot the five key differences in this cosy autumn scene then you might just have a high IQ. But this could prove to be one of the toughest brain teasers yet as both images appear complet… ...