7gl — Spectrum Cut Mines

Choose mines and a colour forecast, then cut the glass.

Pane

5 × 5 = 25

Mines

1–24

Stake (B)

10 · 20 · 50 · 100

Free demo · virtual coins · no real money · 18+

Each safe pane hides one of three equally likely colours. A correct forecast multiplies its fair safe-step value by 1.4; a different colour by 0.8. Clear cut applies no colour factor. You can change the forecast before each cut.

Clear cut

×1

The colour matched: ×1.4.

×1.4

A different colour: ×0.8.

×0.8

(1.4 + 0.8 + 0.8) / 3 = 1

V₀ = 0.94

P = (N − M) / N

V₁ = V₀ × N / (N − M) × F

Pane (N)

25 − Safe panes

Mines (M)

1–24

Safe panes = 0, M = 5

P = 20/25

Safe panes = 3, M = 5

P = 17/22

Each safe pane hides one of three equally likely colours. A correct forecast multiplies its fair safe-step value by 1.4; a different colour by 0.8. Clear cut applies no colour factor. You can change the forecast before each cut.

Safe panes

≥ 1

Panel value

B × V

Panel return: R coins.

R = floor(B × V + carry)

carry₁ = B × V + carry₀ − R

A cracked pane: this panel returns no coins.

Free demo · virtual coins · no real money · 18+

Balance restored to 1000 free coins.

Free demo · virtual coins · no real money · 18+

Free demo · virtual coins · no real money · 18+

Each safe pane hides one of three equally likely colours. A correct forecast multiplies its fair safe-step value by 1.4; a different colour by 0.8. Clear cut applies no colour factor. You can change the forecast before each cut.