The Basic demo, a "Lesson 1" roguelike demo where your '@' character moves where you click in a random dungeon.
The Tsar demo, a slightly-less-basic roguelike demo where your '@' hero bumps into dungeon guards ('Я') to defeat them.
The Dungeon demo, a basic dungeon generation sampler where you can press 'r' to remake the map.
The Dawnlike demo, a graphical roguelike demo where your randomly chosen hero bumps into monsters to obliterate them in a cloud of gore.
The Colorful-GDX demo, a graphical roguelike demo that's almost the same as the Dawnlike demo but uses the colorful-gdx library to change colors.
The Babel Bobble demo, which ciphers text using a mix of natural and random languages (it demos SquidLib's FakeLanguageGen).
The Northern Lights Shader demo, which is a nice many-colored flowing shader.
The Water Shader demo, which is an edit on the above shader to make it look a little more like water.
The World Viewer demo, which is a simple 3D sphere textured with a randomly selected map from SquidLib or NASA.