It's a new way to entertain children who have become bored with the two-dimensional world of video games.

A two-dimensional world would be a plane, like a piece of paperite.

One evening Smear climbed down to our ledge and told us a story about people who lived in a two-dimensional world.

But Mario has the ability to look at this two-dimensional world in three dimensions.

Here are some who tally up big points in the two-dimensional, Technicolor world of love.

Now suppose this two-dimensional world were rolled into a long tube.

Three-dimensional objects in a two-dimensional world, they have an exceptional presence.

I sighed a little, and mourned for the old two-dimensional world before this.

In a two-dimensional world, you still get straight lines, but many lines make one figure.

Mice work in the two-dimensional world of flat surfaces, moving left and right, forward and back.