A grounded fantasy RPG about wounded worlds, human-scale conflicts, and tone first play.
What is Bright-Dark 3d6 Role-Playing Game?
Bright-Dark 3d6 Role-Playing Game (Bright-Dark 3d6) is a rules-lite TTRPG featuring a 3d6 roll over mechanic and fiction-first resolution that emphasizes tone. The tone is a wounded world with fading wonders. It's not bright against dark, it's bright within dark. The characters are ordinary people carrying their own wounds who are kind, hopeful, and quietly courageous, in a world that needs people with these traits. The fiction is grounded with low-magic, and the conflicts are human in scale.
What Makes Bright-Dark Different?
- Small numbers for fast, tense, and intuitive play
- Low magic for that doesn't defy physics, stays mysterious, feels dangerous
- Human-scale conflict means no superheroes and no power creep
- Tone-first GMing means the world matters, consequences come from the world and not the rules
- Fiction-first resolution means the logic of the world and the fiction beat the mechanics
- Grounded names, grounded worldbuilding encourages authenticity over spectacle
The Core Gameplay Loop
- The GM describes what's in the scene, players deduce meaning from the details
- Players describe actions and speech
- GM determines and describes what happens based on what makes sense for an ordinary person in a real world, only calling for die rolls when needed
- All die rolls are 3d6 + attribute + talent vs a Difficulty Target Number or TN
- Consequences come from the fiction, not rules, not crunch
The 3d6 System
- The 3d6 bell curve gives predictable results. Half your rolls will be between 9 and 12. This means characters with a specialty can reliably succeed at what they specialize in.
- Small numbers make stakes intuitive
- A simple TN Difficulty scale describes difficulties
- Attributes are small, but they matter greatly
- The consequences of rolls feel real, not arbitrary or swingy
Character Creation
- Create a wound to define your character
- Simple, clearly distinct attributes. Assign modifiers from an array.
- Small catalog of flavorful talents. Choose one to start. Choose up to three through character improvement (milestone based)
- Resources (Health, Stamina, Ether) that are impactful in play. Health caps low and recovers slowly to make damage feel meaningful and keep danger real.
- Equipment is emphasized as exiting in the fiction, not the character sheet
Conflict & Danger
- Violence is an option, but truth is more meaningful
- Reaction rolls mean NPCs starting attitudes are uncertain
- 1d6 is the standard damage roll. This makes the game simple and fast.
- Add 2d6 damage on a critical hit. They're rare but terrifying.
- One dedicated action per turn. No tactical clutter.
- Retreat and pursuit are clean and simple
- Damage is abstract but meaningful. Characters measure Health, not HP.
- Defense TN is capped low and describes how exposed you are, not the skill of the character. Characters are not impossible to hit.
- The fiction determines turn order, not dice or stats. Play your character like you care what happens to them.
- Difficulty TNs are not about balance or arbitrary challenges, they're about believability
Magic & Alchemy
- Low-magic philosophy: magic is rare, dangerous, prestigious, and wonderous. Magic is not a skill; You don't improve at magic, you improv yourself
- Freeform magic system
- Two tiers of spells: Minor and Major.
- Magic cannot change the world
- Alchemy is not magic, it's fantasy science
- Consumables are story objects, not supplies
Why Bright-Dark Uses Small Numbers
- Faster turns
- Shorter combat
- Intuitive stakes
- No power creep
- No HP sponges
- Simpler math
- Focus on immersion in the fiction, not crunch or rules
What Bright-Dark Feels Like to Play
- Human
- Dramatic
- Tense
- Grounded
- Mysterious
- Dangerous, but hopeful
Example of Play
A group of adventurers are exploring a swamp around a small settlement named Gunter's Knob in search for a missing Evrwyr girl who was kidnapped by a troll named Bad Nail for a distinguishingly long fingernail that he slashes with.
Players do not roll to see, hear, taste, smell, or feel things. They don't roll to intuit emotions or detect lies. The GM gives this information freely as long as the players describe what their characters search for.
GM: The trees are dense. Branches hang long and swat at you. Roots stick out, occasionally form bumps or loops, then plunge into the earth. The ground is uneven and slippery. Grass crunches underfoot. The sun sets and leaves you in darkness.
Agnes (Millie): I cast a minor spell to create a floating orb of light.
GM: I'm going to give you 10 since there's no source of stress.
Agness (Millie): You see a ball of light appear above Agnes' upturned palm, then it flies to her shoulder where it hovers in place and shines like a lantern.
Allen (Mike): I point to the two soldiers I brought. "You two, weapon out. Keep your eyes sharp. I don't want anything sneaking up on us."
GM: "Yes, sir." The soldiers draw their swords and look in opposite directions.
Allen (Mike): Allen turns his head this way and that. He kneels on the ground and examines the soil and grass for depressions. He inspects the trees for broken branches.
GM: Only in Agnes' light and when she's nearby can you spot a few depressions like very large feet like a man who might be eight feet tall. The depressions are orderly like a trail of footprints that go on through the trees. Some of the branches immediately above are freshly broken.
Allen (Mike): "The trail goes this on. Agnes, I need you to keep close with your light."
Agnes (Millie): I walk just out of arms reach of Allen and give him an annoyed look.
GM: Ten minutes pass. The details of the trail become a little scarce, then you find a generous amount of details. Off to the side, you hear a trickling like running water. The wind rustles the leaves and puts a chill in your sweat.
Allen (Mike): I draw my sword and stop. I look around sharply.
Agnes (Millie): I stop too!
GM: Allen, the shadows at the edge of Agnes' light are harsh. Distinct colors turn into grey blobs. The darkness is playing tricks on your eyes. You see large, sturdy shapes like twin trees growing out of the ground. They're oddly symmetrical.
Allen (Mike): Legs! I look right at them. "Stop where you are!"
GM: A guttural voice speaks from behind the trees. You hear it from the branches about eight feet off the ground, much higher than an ordinary man. "What be this light! Who stalks I!"
Download the Game (Free)
Links to version 0.9:
- Itch.io
- Blog Posts
- QuickStart (forthcoming)
Where to Next?
The game is complete. Version 1.0 will be refined. If you're curious about the design, design notes and essays will continuously be added to the blog.
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