@beadsland @Triplefox ...No? But my point is that there isn't any video game analog of GURPS - a large body of rules balanced and refined by many people over a period of years, which you can plug together to make the kind of experience you want. Like, I'm thinking of building an X-Com type game, right? There no library for dealing with accurately representing cover, melee attacks, ranged attacks, movement, injury, etc. That all has to be rolled by scratch every game. :/