Spot the UFO

Spot new UFOs appearing in the sky. Click on newly added UFOs.

1. 1

   Two nearly identical pictures sit side by side.

2. 2

   Look at one small area - top left corner, then move across - and check both pictures.

3. 3

   Something is missing, added, a different colour, or a different size.

4. 4

   Click the difference on either picture to mark it.

5. 5

   Find them all and you finish the picture.