About Mastermind
Classic Mastermind becomes an Orenvalt apothecary bench: decant luminous reagents into glass vials and reconstruct each sealed recipe from the assay marks it leaves behind.
Gold marks count reagents in the exact vial. Silver marks count correct reagents placed in another vial; their positions never point at particular ingredients. Every colour also carries a letter, so colour is never the only clue.
All 120 formulae are open across six shelves, rising from three-vial lessons to five-vial grand elixirs with repeated ingredients. Every fixed secret is unique within its shelf and a deterministic solver replays a valid finish through the shipping scorer during every build.
Each formula keeps two independent public records—fastest time and fewest guesses—and shows the name of each holder on its shelf card and beside the active bench.
How to play
- Choose a reagent and fill every vial in the current row, then Brew the guess.
- A gold drop means one reagent has the right colour and position. A silver wisp means one reagent is present but belongs in another vial. The marks do not identify which vial they describe.
- Match every vial before the available rows run out. Repeated colours are allowed when the formula card says so.
Controls
| Tap or click | Choose a reagent, fill a vial, or brew |
|---|---|
| 1–6 | Place the corresponding reagent |
| Arrow keys / Enter | Move through and choose reagents or vials |
| Backspace / Escape | Clear the last vial or open all formulae |
All 120 formulae are deterministic, open and solver-replayed. Named time and guess records, completion, personal bests, sound and reduced-motion preference persist in this browser.







