Find the differences between the two pictures with the help of the round lens. Earn 100 points for every correct click, but you'll lose 100 points for every wrong click. You have 600 seconds to complete the level. During the last 50 seconds, you will only earn 10 points for every correct click.

Game Controls:
- Use your left mouse button to mark differences between the pictures.
- Spacebar: Pause/Resume.