Archive
Past puzzles
Every puzzle from launch onward. Solved ones show a checkmark — pick up where you left off.
Browse JavaScript puzzles by concept →
- #1312026-10-09Quirks
- #1302026-10-08Coercion
- #1292026-10-07Coercion
- #1282026-10-06Scope
- #1272026-10-05Quirks
- #1262026-10-04Scope
- #1252026-10-03Async
- #1242026-10-02Coercion
- #1232026-10-01Coercion
- #1222026-09-30Scope
- #1212026-09-29Scope
- #1202026-09-28Async
- #1192026-09-27Coercion
- #1182026-09-26Coercion
- #1172026-09-25Scope
- #1162026-09-24Async
- #1152026-09-23Quirks
- #1142026-09-22Coercion
- #1132026-09-21Scope
- #1122026-09-20Coercion
- #1112026-09-19Async
- #1102026-09-18Coercion
- #1092026-09-17Quirks
- #1082026-09-16Scope
- #1072026-09-15Scope
- #1062026-09-14Scope
- #1052026-09-13Async
- #1042026-09-12Scope
- #1032026-09-11Scope
- #1022026-09-10Quirks
- #1012026-09-09Coercion
- #1002026-09-08Quirks
- #992026-09-07Coercion
- #982026-09-06Quirks
- #972026-09-05Quirks
- #962026-09-04Quirks
- #952026-09-03Scope
- #942026-09-02Quirks
- #932026-09-01Scope
- #922026-08-31Coercion
- #912026-08-30Quirks
- #902026-08-29Async
- #892026-08-28Quirks
- #882026-08-27Coercion
- #872026-08-26Quirks
- #862026-08-25Scope
- #852026-08-24Quirks
- #842026-08-23Scope
- #832026-08-22Async
- #822026-08-21Coercion
- #812026-08-20Coercion
- #802026-08-19Scope
- #792026-08-18Async
- #782026-08-17Coercion
- #772026-08-16Async
- #762026-08-15Quirks
- #752026-08-14Coercion
- #742026-08-13Coercion
- #732026-08-12Scope
- #722026-08-11Async
- #712026-08-10Scope
- #702026-08-09Scope
- #692026-08-08Quirks
- #682026-08-07Quirks
- #672026-08-06Quirks
- #662026-08-05Scope
- #652026-08-04Coercion
- #642026-08-03Scope
- #632026-08-02Quirks
- #622026-08-01Async
- #612026-07-31Scope
- #602026-07-30Async
- #592026-07-29Coercion
- #582026-07-28Coercion
- #572026-07-27Async
- #562026-07-26Coercion
- #552026-07-25Coercion
- #542026-07-24Quirks
- #532026-07-23Quirks
- #522026-07-22Quirks
- #512026-07-21Quirks
- #502026-07-20Coercion
- #492026-07-19Async
- #482026-07-18Async
- #472026-07-17Coercion
- #462026-07-16Async
- #452026-07-15Quirks
- #442026-07-14Async
- #432026-07-13Async
- #422026-07-12Coercion
- #412026-07-11Scope
- #402026-07-10Async
- #392026-07-09Quirks
- #382026-07-08Async
- #372026-07-07Async
- #362026-07-06Scope
- #352026-07-05Scope
- #342026-07-04Quirks
- #332026-07-03Coercion
- #322026-07-02Scope
- #312026-07-01Scope
- #302026-06-30Async
- #292026-06-29Coercion
- #282026-06-28Async
- #272026-06-27Async
- #262026-06-26Quirks
- #252026-06-25Quirks
- #242026-06-24Quirks
- #232026-06-23Coercion
- #222026-06-22Coercion
- #212026-06-21Quirks
- #202026-06-20Coercion
- #192026-06-19Scope
- #182026-06-18Scope
- #172026-06-17Coercion
- #162026-06-16Scope
- #152026-06-15Scope
- #142026-06-14Quirks
- #132026-06-13Async
- #122026-06-12Quirks
- #112026-06-11Async
- #102026-06-10Coercion
- #92026-06-09Coercion
- #82026-06-08Coercion
- #72026-06-07Quirks
- #62026-06-06Async
- #52026-06-05Scope
- #42026-06-04Scope
- #32026-06-03Quirks
- #22026-06-02Scope
- #12026-06-01Scope