頭を使うゲーム 脳トレ 間違い探し 間違いさがし 頭の体操

Among the same four pictures and photos, there is one that is only partially different from the others. Can you find the difference within the time limit of 30 seconds?

After the quiz, the "Title of Observation" and "Medal (only for those with excellent grades)" will be displayed. Are you gold? Silver? copper?
(Games that make you smarter, games that use your head for free, brain teaser)

☆ Recommended for people like this!
・ People who are worried about forgetting things recently
・ People who want to improve their memory
・ People who tend to be distracted
・ People who want to improve their concentration
・ People who want to increase processing power
・ People who want to improve their spatial awareness
・ People who want to do brain teaser to kill time
・ People who want to prevent forgetfulness and blurring
・ People who are concerned about their health
・ People who want to activate the prefrontal cortex
・ People who want to compete with family and friends at the brain level
・ People who are looking for a simple spot the difference game
・ People who want to find mistakes at their own pace
・ People who want to find mistakes in various illustrations and photographs
・ People who want to kill time casually
・ People who want to train their inspiration
・ Senior people who want to have brain activity
・ People who want to prevent forgetfulness and dementia