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!
February 13, 2026
February 12, 2026
February 12, 2026
February 12, 2026
February 12, 2026
February 11, 2026
February 11, 2026
February 11, 2026
February 9, 2026
February 8, 2026