Some of the free extreme dot-to-dot printables available online include detailed nature scenes, images of classic cartoon characters, pictures of explorers and scenes with animals. MindWare publishes several extreme dot-to-dot puzzle books and offers free printable sample pages from many of the titles.
MindWare.com visitors may download and print PDF sample pages from the Animals, Sports, U.S. History or Explorers collection, as well as dot-to-dots with prehistoric and folklore themes. These puzzles typically start at 300 or 500 and progress to 1,400 dots or more.
Monkeying Around is another award-winning creator of challenging dot-to-dot puzzles, and also offers free sample pages on its website. One puzzle features 286 dots that join together to create a detailed scene of dandelion seeds blowing in the wind, while another page depicts a space scene and is made from more than 800 dots.
At PictureDots.com, visitors may browse thousands of user-submitted pictures in dot-to-dot formats of varying skill levels. Many of the puzzles contain more than 200 dots and are available in printable PDF formats.
The free dot-to-dot collection at SuperColoring.com includes a picture of cartoon characters Tom and Jerry with 1,000 dots, and a picture of a moose with 270 dots is available for free from AgateTheMoose.com.