Geekerati Media · Mechanics Lab

The 12° System

Roll 2d12, add your modifiers, meet or beat the Target Number. A probability tool for Colonial Gothic.

Governing Attribute

Skill Rank

Bonus / Penalty

Target Number TN 6 — Easy TN 12 — Standard TN 24 — Hard

Training

Skilled Unskilled −2

Histogram Shows

Total Result Degrees

Roll Once Simulate 10,000 Rolls

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Distribution of Final Results — 10,000 rolls Success Failure Exact math

2d12 core mechanic · exact odds vs. Monte-Carlo simulation · geekeratimedia.com