Free online super fast games, speed counting games that require attention/ very fast reactions: Play iBrain Box online, a fast block counting game & hard concentration activity/ brain game for kids (girls/ boys) to play now on PC, Mac, iPad, tablet with no download. Fun new puzzle games, detail-oriented games..
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Block Counting Speed-based Game - iBrain Box

Rating: 6.2/10 - 19 votes

A fast-paced visual puzzle game that really exercises and tests your speed-counting skills, focus and observation skills, perception skills, hand-eye coordination, and reaction speed under pressure: iBrain Box is a challenging interactive "pay attention to detail" game for kids, teens and grownups where you must simply identify how many blue boxes make up the structure on the game screen in each level. The tricky part is that you might only catch a quick glimpse of some of the block boxes as they fall into place (some boxes obscure others), and you only have a limited amount of time to enter the correct answer! Quick brain work, reactions and keyboard skills are essential here as you play against the clock and the internal pressure you are under. Enjoy the challenge!

How to Play: In each of the 10 progressively-difficult levels of this Flash game, your objective is to type in the correct number of blue boxes (cubes) that fall into the play zone. Once all of the boxes have descended, the timer starts at the top of the game screen (You have roughly 15 seconds before time runs out). Using the Number Keys on your computer keyboard, type in your answer, and then press your Return / Enter Key. If your guess is correct, you progress to the next level. However, if you are incorrect, the timer keeps on ticking. The faster you enter the correct number of boxes, the more points you score. However, you are deducted points for each incorrect guess. See if you can increase your top score with each attempt. Are you faster at solving the 10 number problems than your friends and family members?

If this Flash-based game no longer works on IE11 or Chrome browser on your PC / MAC, try playing Firefox browser with Adobe Flash player installed.

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