Contested Rolls: Roll against opponent, ties go to defender
Complications: an unforeseen consequence to overcoming a challenge. buy them off with extra successes.
Enhancements: extra successes added to a rolled result from equipment or circumstances
If a player rolls at least one success, they receive bonus successes equal to any applicable Enhancement
Enhancements should not go above 3 total without good reason
Enhancements above 3 should absolutely come with Drawbacks
Drawbacks: using an Enhancement sometimes comes with a drawback.
Mixed Actions: calculate die pool for each action and roll smallest pool. Successes are applied to meet Difficulty and Complications of all involved challenges.
Teamwork: Assisting character rolls their die pool. Successes become Enhancement bonus to main roller.
Scale: situational and dramatic events that call for bonus successes. Size, Force, Speed, Leadership, etc can contribute to scale bonus successes.
Momentum: A resource players can spend (a single pool, shared by all players) to affect the game