You would have to ask yourself this!
Do i want to create FPS games, with coding...or scripting to get
a decent result.
Or do i want to create FPS games, without coding....or complex scripting to get better results..
Well?
Anyway, FPSC is a great tool.
Its easy to use, and you can get great results with it...without
all the coding etc..
But! Of course there are some downsizes...
FPSC x9 (current version) has some bugs...nothing special but okey.
Also dont expect to create the next Halo or Crysis...
No scripting or coding doesnt mean it will easily create
a top game.
You would of course put some work in it...
Like level lay-out.
Use of lighting.
Maybe modeling some objects.
Custom textures.
And the regular stuff....the story-line.
And as for game selling...yeah it would be possible.
But than you would have to create a very good game!
Dont expect to sell hundreds of copies....it isnt that easy.
But its your choice, we cant make the decision for you.
We can give you tips, like download the free-trial...and see for
yourself.