Yeah, FPSC is easy and actually quite effective. It's just that it feels incomplete, glitchy, and slow, and the multiplayer is horrible. Other than that, for a drag-and-drop tool, it's pretty awesome. The drawback is that they wrote it in DarkBasic, which is slow as shit. Sure, it's simple, cheap, and comes with a full commercial license, but it's not really powerful enough to do much more than hobbyist stuff.