Spying is a risky business. Which makes it perfect as a career or job for PCs!
You can set your whole campaign in the spy genre, with a highly cinematic game
Darths & Droids is an "RPG screencap comic" that parodies Star Wars. The characters in the comic are roleplaying game (RPG) players. The premise of the comic is that the Star Wars saga as we know it does not exist, rather the comic takes place in an alternate universe where Star Wars does not exist. Despite aspects of a Star Wars setting the comic's characters are oblivious to anything concerning Jedi, or Tatooine, or Anakin Skywalker before the game begins. Using screenshots from the live-action films to tell the story, the Comic Irregulars are not constrained by the dialogue, allowing a largely different plot to be constructed around the visuals from the films.
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Spying is a risky business. Which makes it perfect as a career or job for PCs!
You can set your whole campaign in the spy genre, with a highly cinematic game

There are generally two things you can tempt PCs with. Vast wealth, and amazing power.
Use them wisely.
Meaning to lure them into

Villains and monsters should have some sort of vulnerability. Unless you like giving the heroes no chance at all of defeating them. But the vulnerability

The faceless mooks of the enemy often get in the way and end up as cannon fodder, destined for nothing more than a few seconds of game (or screen)

Pepper mysterious lost places and forgotten artefacts into the background of your game worlds. Locations and objects that feel half-legendary to the