The classic Mastermind.

All lambs in the farmland refuse to be sold and killed by the farmer, so they work out a perfect escape strategy. Please be a part of this thrilling plan and release them as soon as possible from the sheepfold by cli...

Can you spot the differences? Choose your difficulty level, find the differences and win the game. Bonuses and power-ups awarded for speed. Differences change every time you play the game.

Find the differences between the two images. Remember - differences can change every time you play the game!

How quick are you? How smart are you? We're proud to introduce this fantastic brain-teaser to the doof collection. It's a test of reflex, grace under pressure and clear-thinking. It couldn't be any simpler, Kubes fall...

Is your head feeling a little fuzzy? That cup of coffee not doing the trick? Give your brain a workout with this online puzzle game. Slap your chip-eating, couch-lounging, flabby excuse of a brain back into shape with...

Play this fun, nail biting game from doof.com which will keep on your toes. Explosive devices have been discovered in your agency headquarters by suspected terrorist groups. The disposal of these devices is crucial wi...

In this game you can put your pheripheral vision to the test. Search for numbers, letters or symbols and point at the box where they fit. Go for the first place on the highscore.