Much like scientists find beauty or a kernel of some larger truth in their observations and theories, I find myself more keenly appreciating a well-turned rule or GMing technique as the years go on. While a Grand Unified Rule of Gaming Perfection is as elusive as a GUT, I still admire the simplicity or elegance of some gaming elements.
For instance, I fell in love with Fudge's Four by Five magic system as soon as I saw it. It just seems like a simple, compact way to recreate just about any spell. Fudge itself can offer a lot of simplicity that is elegant instead of just dumbed down. I really liked Castles & Crusades' way of handling class attributes as well (with attribute checks, basically, for anyone who may not know). I'm also enamored of Microlite 20 and am trying to plan a good one shot for it. And while I've only looked at Weapons of the Gods' free downloads, the dice resolution mechanic immediately intrigued me.
But there are also concepts or ideas pertaining to gaming -- especially GM prepwork -- that I love. Errant Dreams'
Instant Plot Hooks is one such gem: tiny, portable, and oh so delicious.
Five room dungeons are another tool I like. Turning more toward the player's side of things, I found the best response I got re: character background stories was when I handed out a simple, half page handout that asked:
1. At least one personality trait your character has
2. At least one thing that motivates them.
3. Two NPCs: one you admire, trust, look up to, or have an otherwise positive relationship with, and another that you despise.
4. List the two most important events in your character's life.
5. List at least one goal your character has.
It was short, but I got so much workable plot material, and a better handle on what the players wanted out of the game. It took all of five minutes, maybe, to fill out, and they all seemed to know and play their characters a bit more fully after that.
So, what RPG systems, portions thereof, resolution systems, concepts, or other gaming aids do you find to be particularly elegant and workable? Why?