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Past puzzles
Every puzzle from launch onward. Solved ones show a checkmark — pick up where you left off.
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- #502026-07-26Iteration
- #492026-07-25Quirks
- #482026-07-24Iteration
- #472026-07-23Scope
- #462026-07-22Mutability
- #452026-07-21Comparisons
- #442026-07-20Strings
- #432026-07-19Iteration
- #422026-07-18Iteration
- #412026-07-17Iteration
- #402026-07-16Numbers
- #392026-07-15Scope
- #382026-07-14Quirks
- #372026-07-13Iteration
- #362026-07-12Numbers
- #352026-07-11Strings
- #342026-07-10Modern
- #332026-07-09Classes
- #322026-07-08Numbers
- #312026-07-07Strings
- #302026-07-06Modern
- #292026-07-05Strings
- #282026-07-04Classes
- #272026-07-03Quirks
- #262026-07-02Classes
- #252026-07-01Classes
- #242026-06-30Modern
- #232026-06-29Iteration
- #222026-06-28Quirks
- #212026-06-27Quirks
- #202026-06-26Quirks
- #192026-06-25Modern
- #182026-06-24Mutability
- #172026-06-23Mutability
- #162026-06-22Iteration
- #152026-06-21Scope
- #142026-06-20Scope
- #132026-06-19Classes
- #122026-06-18Quirks
- #112026-06-17Mutability
- #102026-06-16Modern
- #92026-06-15Quirks
- #82026-06-14Quirks
- #72026-06-13Iteration
- #62026-06-12Classes
- #52026-06-11Numbers
- #42026-06-10Quirks
- #32026-06-09Scope
- #22026-06-08Quirks
- #12026-06-07Comparisons