Crack the code
Use each clue to uncover a hidden sequence of digits.
Example
Example
3 puzzles · No timer
Crack the code
This practice could not start. Please try again.
Try againOn by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is usedHelp
Test a code and compare the counts: exact matches have the right digit in the right place; elsewhere matches have the right digit in another place. The counts do not identify individual digits. Every test stays in your history. There is no timer. Hints, reveals and restarts stay in the result.
About this practice
Use each clue to uncover a hidden sequence of digits.
Report a problem
On by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is used