Find It There Is One 8 Hidden Among the 3s. How Fast Can You Find It?
A grid of repeated characters with exactly one impostor at known coordinates. Easy to describe, considerably harder to do than it sounds.
Find the Hidden Object
The target is placed by the generator, so its position is recorded exactly. The challenge image never gives it away, and the solution image circles it.
Find It More like this
Hidden Object There Is One Key Hidden in This Room. Can You Find It?
A busy illustrated scene with a single target object placed at known coordinates. The challenge image gives nothing away, including in its alt text.
Find It Find the Q Among the Os — The Hard One
The same character hunt, cranked up: a bigger grid, a more confusable pair, and a small amount of deliberate jitter in the spacing.