A classic deduction game. The computer hides a code made of coloured pegs, and you try to work it out. After each guess you get pins: one black pin for every peg that is the right colour in the right place, and one white pin for every other peg that is a right colour but in the wrong place. The pins never say which pegs they mean.
Every guess cuts down the codes that could still be the answer. Good players think about what each guess will tell them: a guess that could only get one kind of answer is wasted; a guess that splits the possibilities evenly is gold.
The hint keeps track of every code that still fits all your pins, so you can see your reasoning pay off — and learn which guesses tell you the most.
Work out a hidden code of coloured pegs from black pins (right place) and white pins (right colour, wrong place).
The full guide, with a worked example and common mistakes: How to play Code Breaker.
On the Hard and Expert levels, yes. On Easy and Medium every colour in the code is different.
The board shows 8 to 12 rows depending on the level — try to finish within them.
It counts the codes that still fit all your pins, points out anything certain, and suggests a guess that leaves as few codes as possible whatever the pins say.