Enjoy this puzzle which was used to train KGB agents 50+ years ago..
Try this entertaining app for checking the level of observation and patience. It's here to train your brain, or just for fun. Please send us you ideas and we will make the game even better. Thanks!September 22, 2025
September 21, 2025
September 21, 2025
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September 20, 2025
September 20, 2025
September 20, 2025
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