Elementary

The classic tileset, perfect for an understanding of the algorithm

Tracks

Plot a pattern in the form of railway tracks!

Clouds

Observe the beautiful sky with these clouds and suns

Pipes

Obtain a deeply interwoven underground network of pipes

Polka

Discover an awesome pattern of polka circles. Simple but entertaining!

Roads

There's a bit too many crossroads in this one!

Circuit

A complete electrical circuit generated from scratch!

Rails

Sounds similar to the rails tileset, but it's definitely not!