d20 Roll (Weighted or Fair)
Use Gaussian weighting
Center face (μ, 1–20)
Spread (σ, 0.3–8)
Spin time (sec)
Bounciness
🎲 Roll d20
Last Roll
—
Total Rolls
0
Expected Center
10
Histogram of faces 1..20. Dotted curve = current Gaussian (scaled). Turn off “Use Gaussian weighting” for a fair die.
If nothing appears, press F12 → Console and tell me any red errors you see.