If you want to challenge your brain with a spot the difference game, then try 5 Differences. This game requires you to find 5 differences between two pictures. The levels vary in difficulty, and you have to level up before you can move on to the next level. If you don't mind getting bored, you can play this game in your free time.
This game is free to download and play. It is a lot harder than other difference-spotting games. It is very subtle, which makes it more challenging to solve. Playing the game requires a mouse and a Flash Player emulator.
5 Differences game is a puzzle game with a simple yet challenging game-play. Each level requires you to find at least 5 differences between two pictures. Suppose you find it difficult to find the differences. In that case, you can use the hint button or use artificial intelligence to help you. A hint bar fills up with each object you find in the game. As you progress in the game, you'll receive one extra hint.