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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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- #1402026-10-24Iteration
- #1392026-10-23Iteration
- #1382026-10-22Numbers
- #1372026-10-21Comparisons
- #1362026-10-20Strings
- #1352026-10-19Modern
- #1342026-10-18Modern
- #1332026-10-17Numbers
- #1322026-10-16Closures
- #1312026-10-15Modern
- #1302026-10-14Classes
- #1292026-10-13Option
- #1282026-10-12Modern
- #1272026-10-11Iteration
- #1262026-10-10Numbers
- #1252026-10-09Strings
- #1242026-10-08Ownership
- #1232026-10-07Option
- #1222026-10-06Ownership
- #1212026-10-05Option
- #1202026-10-04Numbers
- #1192026-10-03Modern
- #1182026-10-02Comparisons
- #1172026-10-01Modern
- #1162026-09-30Ownership
- #1152026-09-29Scope
- #1142026-09-28Classes
- #1132026-09-27Scope
- #1122026-09-26Classes
- #1112026-09-25Ownership
- #1102026-09-24Comparisons
- #1092026-09-23Scope
- #1082026-09-22Comparisons
- #1072026-09-21Classes
- #1062026-09-20Closures
- #1052026-09-19Modern
- #1042026-09-18Comparisons
- #1032026-09-17Classes
- #1022026-09-16Modern
- #1012026-09-15Option
- #1002026-09-14Ownership
- #992026-09-13Modern
- #982026-09-12Classes
- #972026-09-11Option
- #962026-09-10Comparisons
- #952026-09-09Option
- #942026-09-08Scope
- #932026-09-07Classes
- #922026-09-06Strings
- #912026-09-05Numbers
- #902026-09-04Ownership
- #892026-09-03Option
- #882026-09-02Ownership
- #872026-09-01Strings
- #862026-08-31Scope
- #852026-08-30Closures
- #842026-08-29Scope
- #832026-08-28Ownership
- #822026-08-27Ownership
- #812026-08-26Option
- #802026-08-25Classes
- #792026-08-24Scope
- #782026-08-23Strings
- #772026-08-22Scope
- #762026-08-21Numbers
- #752026-08-20Iteration
- #742026-08-19Classes
- #732026-08-18Ownership
- #722026-08-17Ownership
- #712026-08-16Iteration
- #702026-08-15Scope
- #692026-08-14Numbers
- #682026-08-13Iteration
- #672026-08-12Classes
- #662026-08-11Modern
- #652026-08-10Classes
- #642026-08-09Comparisons
- #632026-08-08Comparisons
- #622026-08-07Comparisons
- #612026-08-06Numbers
- #602026-08-05Iteration
- #592026-08-04Comparisons
- #582026-08-03Numbers
- #572026-08-02Closures
- #562026-08-01Closures
- #552026-07-31Strings
- #542026-07-30Iteration
- #532026-07-29Scope
- #522026-07-28Closures
- #512026-07-27Comparisons
- #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