I keep folders of campaign ideas. Inside I jot down notes, to form the basis of the potential campaign setting later. As I come across stuff that inspires me, I toss it in there - images, more notes whatever. The goal is that as one campaign closes, I have something to firm up for the next one.
What are some campaign ideas you've never run yet? what are the conceits of that campaign? What system did you want run it with?
1) Oil and Sand - Road Warrior inspired Post-Apocalyptic game. I have this idea set up very loosely in a post-apocalyptic setting, like Dark Sun. Large local region with city-states each with their own "style". Independent set-piece locations that produce certain items needed by everyone - resource management/control, exploration, and survival being big key things. I also have this idea, somewhat lifted from Dark Sun (but I think it's just coincidence) - but I think it's more from Waterworld - where the world has been buried by sand. And in some places the sand is so silty you can literally dive down there to pull up stuff. There might even be post-apocalyptic tech to even facilitate this. Likewise it's a good way to introduce higher-levels of tech and do "dungeoncrawls". History is mostly irrelevant - as I can leave it wide open - I was even thinking of making it procedural with a bunch of tables that I could use as I go. And of course I'd need some vehicular combat. C'mon. It's a must. System: Savage Worlds. Outside possibilities: FASERIP
2) The Thaw - Post Ice-Age fantasy where the technology is Bronze Age. Pleistocene creatures juiced up to monstrous levels. Spring is coming and with it - magic! So the soothesayers say. Inspired by the Ice Schooner (Moorcock) set in a world thawing from the clutches of a winter so long, that Spring is a legend, yet the signs are there. Large scale area where I could have city-states further south dealing with the Thaw entirely differently than others still frozen. Ancient creatures long dormant begin to rise. Ancient races as well. System: no idea. SW is a likely bet.
3) Bug Hunters - Military Space Opera. Think, Starship Troopers lensed through Star Frontiers, where the PC's are a squad of military spec-ops used to deal with special problems the civvies, and the para-military can't/shouldn't deal with. Ideally it would be like highpowered kinetic combat, that acts as a hex-crawl revealing mysteries about the campaign setting, including new civilizations (to kill), older ancient races (to kill), and new enemies to play with. System: CP2020, Interface Zero
4) Savage Palladium Fantasy - Pretty straightforward, Savage Worlds in the Palladium Fantasy world.
I'll get around to these at some point... Anyone else got some stuff they've never done yet?