Tri-Stat System
Tri-Stat logo
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| Designer(s) | Mark C. MacKinnon |
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| Publisher(s) | Guardians of Order |
| Publication date | 2003 |
| Genre(s) | Universal |
Tri-Stat dX is a generic role-playing game system developed and published by Guardians of Order in 2003. Like other generic role-playing game systems, Tri-Stat dX has adaptable rules that can be applied to many genres and settings.
Tri-Stat dX's name comes from the system's three main Stats: Mind, Body and Soul. "dX" refers to the polyhedral dice used in the game: any of the available die types may be used.
It is based on the original Tri-Stat System first introduced in 1999 with the popular Big Eyes, Small Mouth (BESM) anime-genre RPG (which used d6 dice), which is now published by White Wolf Publishing, and the superhero-genre RPG Silver Age Sentinels (which used d10 dice), and now includes a number of related systems and games such as Ex Machina, Dreaming Cities, and Tekumel (which uses a variation of the system).
The core rules for the Tri-Stat dX system were once available as a free download from the Guardians of Order website, which is now defunct. Although White Wolf has acquired the publishing rights for BESM, they have not offered continued support for the Tri-Stat dX system. The rules however are still available on DriveThruRPG at no cost.
Since all mechanics in Tri-Stat dX use two dice of the same die type (2d6, 2d10, 2d20 etc.), the first choice a Game Master (GM) must decide the game's Power Level, and thus what type of polyhedral dice to use in their game.
Tri-Stat uses one table of Stat Values which range from 1 (Inept) to 40 (Godlike). The "human norm" is considered 4. The bigger the die type used in the game, the more powerful the characters generally are, and achieve Stat Values much higher than the human norm. Playing in a "mundane" (real-world) setting, the GM would set the die type to 2d4, and only allow characters to achieve maximum unadjusted die roll totals of 8. A typical "action-adventure" would use a 2d6, allowing more heroic characters and unadjusted rolls up to 12. Games with transhuman characters would use 2d8, and allow rolls up to 16. Superhero games would use 2d10, or 2d12. Godlike characters would use 2d20.
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