Collatz in JavaScript in chars. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 65th emgordon154 932 59 5 Aug 2024 65th duckyluuk 🇳🇱 932 59 3 Oct 2024 65th lifthrasiir 🇰🇷 932 59 23 Nov 2024 65th fuzzylojik-golf 🇺🇸 932 59 1 Jun 2025 65th acollett89 932 59 17 Jun 2025 65th CaedenHarper 🇨🇦 932 59 23 Aug 2025 65th iczelia 🇩🇪 932 59 11 hours ago 83rd KatieLG 🇬🇧 917 60 4 May 2022 83rd ScottHamper 917 60 5 May 2022 83rd Re-Adventures 🇮🇳 917 60 5 May 2022 83rd 0x24a537r9 917 60 29 Jul 2022 83rd stefangabos 🇷🇴 917 60 19 Aug 2022 83rd eranws 917 60 10 Sep 2022 83rd GeorgeStechman 🇬🇧 917 60 26 Sep 2022 83rd BloodStormKnight 917 60 15 Oct 2022 83rd dzshn 917 60 3 Dec 2022 83rd biocommando 🇫🇮 917 60 20 Dec 2022 83rd Betuaredead 917 60 5 Jan 2023 83rd piano-miles 917 60 16 Jan 2023 83rd Yewzir 🇧🇪 917 60 12 Feb 2023 83rd shellbertt 🇨🇦 917 60 26 Feb 2023 83rd zakariamouhid 917 60 20 May 2023 83rd raphaelimahorn 917 60 23 Aug 2023 83rd jbt 917 60 25 Dec 2023 83rd olleicua 🇺🇸 917 60 15 Feb 2024 83rd HumanoidCPU 917 60 3 May 2024 83rd dokutan 917 60 13 Aug 2024 83rd LostSyntax21 🇬🇧 917 60 10 Sep 2024 83rd xyangst 917 60 28 Sep 2024 83rd a6166231 🇨🇳 917 60 15 May 2025 83rd Protothor 917 60 8 Jul 2025 83rd SebassNoob 917 60 5 Aug 2025 83rd Yax42 🇫🇷 917 60 18 days ago 109th c0d3-4-F00d 🇩🇪 902 61 6 May 2022 109th jackkav 902 61 26 Jun 2022 109th TechNolaByte 902 61 6 Jul 2022 109th Heathcorp 🇦🇺 902 61 17 Jul 2022 109th C0de5mith 🇺🇸 902 61 3 Aug 2022 109th sebipopa 🇷🇴 902 61 18 Aug 2022 109th moikaturns 🇬🇧 902 61 25 Sep 2022 109th FlorianCassayre 🇫🇷 902 61 27 Sep 2022 109th Mazn3k 902 61 1 Feb 2023 109th tvcv901 902 61 22 Mar 2023 109th unfinishedprogram 902 61 19 Jul 2023 109th snoozingnewt 🇺🇸 902 61 23 Sep 2023 109th funnyboy-roks 902 61 9 May 2024 109th bac0id 902 61 29 Jun 2024 109th madex 🇩🇪 902 61 9 Jul 2024 109th FortuiteMan 🇫🇷 902 61 10 Oct 2024 109th RobertHoeh 902 61 5 Apr 2025 109th LvLError 902 61 29 May 2025 109th Lv0Sys 🇵🇱 902 61 30 May 2025 109th miles-evan 902 61 5 Aug 2025 129th Setvizan 887 62 12 Jan 2023 129th GreenBeansAgainstVeganism 887 62 13 Jan 2023 129th arctouch-cristiannevianna 887 62 3 Apr 2023 129th Corxldyphik 887 62 11 Apr 2023 129th Blockyheadman 887 62 1 Nov 2023 129th ollyspooner 887 62 22 Nov 2023 129th itserasmus 887 62 25 Jan 2024 129th Jacob385 887 62 13 Mar 2024 129th junkondo-jp 887 62 30 Jun 2024 129th ShiraJoseph 🇺🇸 887 62 1 Mar 2025 139th randolchance 873 63 8 Jan 2023 139th CatsAreFluffy 873 63 18 Feb 2023 139th amiralitaheri 873 63 23 Feb 2023 139th RuyiLi 873 63 1 Apr 2023 139th TaserTheFox 🇺🇸 873 63 25 May 2023 139th pfysches-boop 873 63 6 Aug 2023 139th mhgockel 873 63 19 Aug 2023 139th NickTheEASDude 🇺🇸 873 63 18 Jan 2024 139th 823126 873 63 14 Nov 2024 139th Palladium02 873 63 12 May 2025 139th 4very 873 63 10 Jun 2025 139th gigaprofisi 🇺🇸 873 63 17 Jun 2025 Prev 76–150 of 259 Next