RPG Mechanic Round-Up #7


Progress and Drama

In the game text, instead of listing the result of a passed test in a resolution mechanic as “success”, describe it as “progress.” That is, progress is made toward whatever your goal was, or toward winning what was at stake. In parallel, instead of listing a failed test in your resolution mechanic as “failure”, call it “drama”, in that the dramatic tension increases in the scene or in the story. This could almost be the only change in how a system is written, but I think it opens up results in interesting ways.

Let’s say your D&D player does the classic thing and makes an absurd proficiency check – then they roll a 20, and even though there isn’t a “natural 20” rule in 5E for proficiency checks, they still expect something big from their absurd plan (seduce the dragon, pick the lock with mage hand, lie to the Inevitable’s face, etc.). So if passing the test equals “progress” rather than “success”, you can just describe how their absurd plan gets them closer to their goal. Similarly, for all of those proficiency checks where failure just means the story stops, if it is “drama” (or “tension” perhaps, or “threat”) instead of “failure” for a failed test, the attempt can be technically successful, moving things ahead, but they are now worse than they were.

Theme Music

Each player chooses a theme song for their character and queue’s it up on their phone. At any time during the session, they can hit play for the song, play a bit of it, and their character automatically succeeds on whatever it is they are doing. Maybe instead of Inspiration, players can gain bonus uses of their theme music during the session. Similarly, the DM can queue up theme songs for any Big Bads they’ll face, and those enable them to use a legendary save ability to choose to save on a failed saving throw, or to resist death for a round after being reduced to 0 hit points, etc.

Big and Small Advantages with Percentile Dice

This is a layer of complexity that one might not choose, but it occurred to me while listening (and enjoying) another How We Roll actual play of Call of Cthulhu 7th Edition. In CoC 7E there is an advantage mechanic, where you roll the 10s digit die more than once and take the worse of the two rolls. I thought that this made sense for big advantages and disadvantages, but for smaller advantages and disadvantages it would make sense to roll the 1s digit die twice and take the better or worse of the two rolls. This gives you an approximately 1 in 10 change of barely making, or barely missing, the roll, and isn’t a big deal, but could be an interesting tweak, maybe for when the player thinks they should have advantage but the Keeper disagrees. “Yes, but…”

Percentile Auto-Success

Rolling is not always fun. Games usually have some kind of hand-wavey rule about “only roll when it is interesting” or “only roll when there is danger involved” but even in games where that is spelled out enforcement is sporadic. It occurred to me, in particular in a percentile system, that it could be simpler and also more interesting to give each character a number of auto-successes equal to the tens digit of the applicable skill. So, again looking at Call of Cthulhu, your investigator with a Credit Rating of 57 could just have 5 automatic successes on Credit Rating rolls during the scenario (intended to be more than one session). The downside is that you don’t get any chance to advance when using one of these auto-successes, nor can you get a critical success of any kind. Maybe one could ignore this rule in combat, and of course the Keeper would be able to say that it doesn’t apply in a certain situation (like a Sanity roll, or a situation where the danger of failure is really interesting), but I like it as a rule.

Final Fantasy Action Selector

Remember old school Final Fantasy where you had the action selector when each character’s turn came up? It looked something vaguely like this:

  • Fight / Run
  • Magic
  • Drink
  • Item

I was thinking about something like this for new players. Frequently, players at my table forget all of the various things their character can do when it is their turn, especially at higher levels. What if new players had something like this, printed up by the DM, with their abilities on it? Something for a Druid might look like this:

  • Melee Attack
  • Missile Attack
  • Shapechange

And one for a Rogue more like this:

  • Melee Attack
  • Missile Attack
  • Dash
  • Disengage
  • Hide

Of course, the player can put whatever is interesting on the selector, and can always do things not listed, but it might be helpful to just have that at a glance. I’ve seen a lot of new players stare glassy-eyed at their complex character sheet when their turn comes when really they only have two or three viable and interesting options. The problem is that it takes significant system mastery for one to know what those few viable and interesting options are.


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