I had a game idea that I was working on, got half way into writing it and realized I was reinventing the wheel, so I co-opted the old WEG game Crisis on Cloud City and seasoned to taste. A mad AI trying to take over and eliminate all fleshling inhabitants. Lots of body horror, a nonstop flow of murderbots coming out of the woodwork to harass the players with and that sort of thing. Fun times, right?
Also, we were hitting the point in the campaign timeline where Empire should be happening. I've done the Battle of Hoth before, so I didn't want to do that - but what, I thought, if they were on Cloud City at the same time Vader was setting his trap for Luke. I had no intent to have the two story-lines overlap beyond "Okay, we have to keep our heads down and be very quiet while we stop this because that's the Emperor's Strong Right Arm wandering around." Oh, did I mention that all the players were Jedi? So yeah, I thought for a game it might be fun to take away their Force Abilities - or at least for them to not use the Force, lest they alert the Dark Lord of their existence.
So midway through the game, one of them is overlooking a vista waiting for their contact to make a move when she spots some activity on the landing platform waaaay below them. A squad of Wing Guard come out on the platform, followed by a black fellow and a bald white dude and some guy in battle armor. They were able to quickly peg who that Fett guy was (not much point making a name for ones self if people cant make a streetwise roll to figure out who you are). And then the reaction of the players when the shuttle touches down and Vader rolls out was worth the price of admission alone.
Yeah, but that's not the fun bit of the story.
So the game unfolds, the players keeping very low key - or at least as low key as they can. They deal with the Murderbots, gather all the Plot Coupons they need and strike out for the Central Computer Core for the city to stop the AI. And of course where else are you going to put something like that but on a long skinny platform over a yawning abyss because Star Wars - the central air shaft (up about 30 levels from Luke and Vader's showdown). This of course gives them a ring side seat for the epic throwdown. As they sit and watch, balanced on this catwalk the width of a skateboard, the impulsive one of the group gets out the Murderbot droid head that she wound up with earlier and says "I throw it at Vader"
Everyone else goes "Wait - what?!?"
"Yeah, I try and hit him with the droid head!"
Well, he's technically out of range for a grenade/thrown attack, being a pretty healthy distance across the shaft, but they do have a pretty serious elevation gain. As this is a game of Yeses, I say "Okay, we'll go with a difficulty of extreme, and this is an attack, so any ranks of Adversary would apply. I have no idea how many ranks of that he would have, so just upgrade ALL of your difficulty dice."
*throw*
*swish*
* BONG! *
Despite rolling against all those black and red dice, she managed to succeed, bouncing the droid head right off his helmet and giving Luke an opening to land a pretty good shot in. Only one despair ("He takes a moment, looking STRAIGHT at you. Congratulations - you are now on Vader's To Do list") and a triumph ("Fortunately the entrance to the Computer Core is right there, so you can easily scurry out of sight and get away!"). And since I didn't actually want to end the campaign right then and there, Vader was too busy to send some grief their way. It was easy to justify with the thinking that Vader still has much bigger fish to fry standing right in front of him.
I'm not sure where I'm going to go with the repercussions of this - having the Dark Lord hunt them personally is pretty much "Rocks Falls, everyone dies", and that's no fun for anyone - but they might get bumped up the priority list for the Inquisitor that is after them. Like straight to the top, Duty Wanted Level mechanics be dammed. But still, everyone had a blast, it was a pretty epic game (especially as they still had to save Cloud City from impending AI takeover), and it did get them hooked up with Luke later down the road (which they had been lamenting not having another Jedi in the ranks to talk with and/or complain too). So all in all, a fun night, so I count that as a success!