flight-sim is a simple space flight simulator written in Lisp (tested only in SBCL) with cl-opengl and sdl.
Right now it's mostly still in tech demo stage

So far the controls are simple. 

A - Forward acceleration

Requires: 
ASDF
cl-opengl
cl-glu
lispbuilder-sdl

To try:
$ sh run.sh

The ship sitting in space with a field of diamonds:

![The ship sitting in space with a field of diamonds](https://raw.github.com/dballard/flight-sim/master/img/screenshot01.png "The ship sitting in space with a field of diamonds")

The ship firing its main thruster:
![The ship firing its main thruster](https://raw.github.com/dballard/flight-sim/master/img/screenshot02.png "The ship firing its main thruster")

Youtube video:
<https://www.youtube.com/watch?v=8Y6zutbYWvg>