Archive

Every puzzle ever shipped, across all 9 games. Search the title or explanation, or narrow by game, difficulty, or tag.

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1674 puzzles in the archive

✓
Accepted Answer

#186 · 2026-10-07 · dict, merge
⛳
Code Golf

#186 · 2026-10-07 · strings, regex
P
Dependency Detective

#186 · 2026-10-07 · image, performance
?
Guess the Output

#186 · 2026-10-07 · promise, thenable, resolve
/
Regex Roulette

#186 · 2026-10-07 · backreference, groups
!
Spot the Bug

#186 · 2026-10-07 · nullish-coalescing, falsy
O
Time Complexity

#186 · 2026-10-07 · recursion, fibonacci, exponential
T
Type Signature

#186 · 2026-10-07 · enum, const-enum, typeof
«»
Which Language?

#186 · 2026-10-07 · hello-world, package, func
✓
Accepted Answer

#185 · 2026-10-06 · equality, deep-comparison
⛳
Code Golf

#185 · 2026-10-06 · arrays, math
P
Dependency Detective

#185 · 2026-10-06 · formatter, python
?
Guess the Output

#185 · 2026-10-06 · tuple, parentheses, comma
/
Regex Roulette

#185 · 2026-10-06 · hex, character-class
!
Spot the Bug

#185 · 2026-10-06 · concurrency, map, race-condition
O
Time Complexity

#185 · 2026-10-06 · sorting, timsort, dominant-term
T
Type Signature

#185 · 2026-10-06 · template-literal, infer, pattern-matching
«»
Which Language?

#185 · 2026-10-06 · hello-world, macros, fn
✓
Accepted Answer

#184 · 2026-10-05 · set, dedup
⛳
Code Golf

#184 · 2026-10-05 · arrays, reduce
P
Dependency Detective

#184 · 2026-10-05 · cli, popular
?
Guess the Output

#184 · 2026-10-05 · all, any, empty
/
Regex Roulette

#184 · 2026-10-05 · email, practical
!
Spot the Bug

#184 · 2026-10-05 · json, set, serialization
O
Time Complexity

#184 · 2026-10-05 · hash-table, constant
T
Type Signature

#184 · 2026-10-05 · string-manipulation, utility-types, literal-types
«»
Which Language?

#184 · 2026-10-05 · typescript, interface, types
✓
Accepted Answer

#183 · 2026-10-04 · sorting, mutation
⛳
Code Golf

#183 · 2026-10-04 · math, boolean
P
Dependency Detective

#183 · 2026-10-04 · orm, database, typescript