Spot The Difference is a hidden-object puzzle game that focuses on various animals. During each round, the player reviews a semi-transparent, horizontal board that floats in front of a forested background. The board is filled with eight rows of dozens of nearly identical pictures of a particular type of animal, such as a bear, chicken, fox, frog, koala, monkey or sheep. The player must try to find the one animal head or whole body that doesn't match the other pictures.
The game offers both daytime and nighttime scenes, which affect how much the colored pictures stand out against the board and game backgrounds. It also challenges the player by displaying tiny, glowing green spots like fireflies floating around the board. Lastly, there's a countdown clock with a golden horizontal bar that decreases in length rapidly.
Spot The Difference requires the player to have excellent vision, memory and reasoning skills. The difference might be as simple as one head or body missing a part or having too many parts. In some cases, the shape or color of a part or an entire picture might be different. For example, the animal might have a missing nose or ear, a straight instead of curly tail or an extra leg.
The best part about this game is that it offers unlimited do-overs with no penalties. The player merely reloads the screen and starts again with the last board that they couldn't solve in time.