Hard Brain Teasers
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Hard brain teasers are a great brain workout, but they're not for everyone. To solve these hard puzzles, you have to be smart!

Having said that, I encourage everyone to give these a try. You might be smarter than you think.

How do I know the brain teasers on this page are difficult? Simple - they were designed by Wei-Hwa, an engineer at Google. And as everyone knows, Google only hires the brightest and the best.

If you find these brain teasers too hard, hop back to the main Free Brain Games page. It has lots of brain games (and brain teasers) that are challenging but do-able by most everyone.

Brain Teaser #1: Bridges

There are 33 different Bridges puzzles in this game. Click the "Puzzle: +" button to scroll through them.

Brain Teaser #2: Hidden Insults

There are 25 different Hidden Insults puzzles in this game. Click the "Puzzle: +" button to scroll through them.

Brain Teaser #3: Knight Attack

There are 30 different Knight Attack puzzles in this game. Click the "Puzzle: +" button to scroll through them.

Brain Teaser #4: Latin Squares

There are 107 different Latin Squares puzzles in this game. Click the "Puzzle: +" button to scroll through them.

Brain Teaser #5: Mini Kakuro

There are 24 different Kakuro puzzles in this game. Click the "Puzzle: +" button to scroll through them.

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