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