Archive
Every puzzle ever shipped, across all 9 games. Search the title or explanation, or narrow by game, difficulty, or tag.
612 puzzles in the archive
- ✓
Accepted Answer
#68 · 2026-06-11 · None, identity, PEP8
- ⛳
Code Golf
#68 · 2026-06-11 · arrays, slicing
- P
Dependency Detective
#68 · 2026-06-11 · validation, typescript
- ?
Guess the Output
#68 · 2026-06-11 · enum, reverse-mapping
- /
Regex Roulette
#68 · 2026-06-11 · character-class, quantifiers
- !
Spot the Bug
#68 · 2026-06-11 · shallow-copy, dict
- O
Time Complexity
#68 · 2026-06-11 · dynamic-programming, lcs, table
- T
Type Signature
#68 · 2026-06-11 · assertion, unknown, type-safety
- «»
Which Language?
#68 · 2026-06-11 · r, vector, stats
- ✓
Accepted Answer
#67 · 2026-06-10 · this, arrow-functions
- ⛳
Code Golf
#67 · 2026-06-10 · arrays, filter
- P
Dependency Detective
#67 · 2026-06-10 · config, env, popular
- ?
Guess the Output
#67 · 2026-06-10 · dict, merge
- /
Regex Roulette
#67 · 2026-06-10 · html, tags
- !
Spot the Bug
#67 · 2026-06-10 · parseInt, radix
- O
Time Complexity
#67 · 2026-06-10 · counting-sort, non-comparison, linear-sort
- T
Type Signature
#67 · 2026-06-10 · utility-types, extract, distributive
- «»
Which Language?
#67 · 2026-06-10 · perl, sigils, foreach
- ✓
Accepted Answer
#66 · 2026-06-09 · f-strings, formatting
- ⛳
Code Golf
#66 · 2026-06-09 · arrays, math
- P
Dependency Detective
#66 · 2026-06-09 · bundler, build-tool, popular
- ?
Guess the Output
#66 · 2026-06-09 · structuredClone, clone
- /
Regex Roulette
#66 · 2026-06-09 · numbers, alternation
- !
Spot the Bug
#66 · 2026-06-09 · class-variable, shared-state
- O
Time Complexity
#66 · 2026-06-09 · dijkstra, heap, graph
- T
Type Signature
#66 · 2026-06-09 · discriminated-union, narrowing, literal-types
- «»
Which Language?
#66 · 2026-06-09 · cpp, iostream, cout
- ✓
Accepted Answer
#65 · 2026-06-08 · objects, empty-check
- ⛳
Code Golf
#65 · 2026-06-08 · strings, counting
- P
Dependency Detective
#65 · 2026-06-08 · web-framework, python, popular