FPS?

How do I make an first person game where all i do is walk in blender?
Where can I dowload an editable one?

isnt there a walkabout demo on blender3d.org?

Yes. Under tutorials, probibly.

That demo is pretty outdated. So it would probably be better if you made your own.

A lil bit off-topic but, henrymop, your previuos avatar was better.