If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
At Truck Hidden Letters you have 3 pictures with trucks. Chose one picture and find the hidden letters at the picture. Each picture has 26 hidden letters. You have 300 seconds time of each image to find all letters.
First choose one image and start to play. Use your mouse and keep clicking on the image to find hidden letters.
This game is played with mouse only.