Abyss is a 2D (actually 3D) spaceshooter.
You can fly with your starship trough space and kill enemies.
Abyss was created as an school project.
It is wirtten in C# and uses the IrrlichtEngine 1.3.1.
However, as any school project it is not all finished jet.
It is more like a base. You can simply made a cool game of it.
You can use the code and do what ever you want with it.