Online gaming runs the gamut from being precisely what it sounds like an entertaining and interactive way to practice focus.

Visual skill tests are popular brain-teasing puzzles that challenge ... One of these unicorns is different from the rest, and your challenge is to spot it within just 4 seconds. This puzzle is ...

Think you have perfect observation skills? Prove it by spotting all the hidden differences in this tricky puzzle in just 11 ...

These puzzles range from simple riddles to complex logic games, and they engage various mental ... making brain teasers a great workout for your mind. Here are five fun brain teasers to test your ...