Collatz in all languages 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 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 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 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Semiprime 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 144th sean-niemann 🇺🇸 928 126 4 May 2022 144th nwellnhof 🇩🇪 928 126 4 May 2022 144th Shanethegamer 🇺🇸 928 126 4 May 2022 144th ScottHamper 928 126 5 May 2022 144th ovs-code 🇩🇪 928 126 5 May 2022 144th 5quiwyrm 928 126 4 Sep 2022 144th KrausRaus 🇺🇸 928 126 9 Sep 2022 144th Betuaredead 928 126 5 Jan 2023 144th annaproxy 928 126 7 Jan 2023 144th Yewzir 🇧🇪 928 126 12 Feb 2023 144th Jacob385 928 126 4 Mar 2024 144th dokutan 928 126 17 Mar 2024 144th eMGeeneer 928 126 15 Jun 2024 144th mrondon8 928 126 2 Dec 2024 165th m-tkach 🇺🇦 927 91 5 May 2022 165th catfish000 927 91 4 Oct 2023 167th GolfingSuccess 🇬🇷 926 49 12 Aug 2024 167th Shanethegamer 🇺🇸 926 49 12 Aug 2024 167th Steffan153 🇫🇮 926 49 12 Aug 2024 167th MeWhenI 🇻🇦 926 49 13 Aug 2024 167th DialFrost 🇸🇬 926 49 13 Aug 2024 167th GrayJoKing 🇦🇺 926 49 15 Aug 2024 167th btnlq 926 49 16 Aug 2024 167th emgordon154 926 49 19 Aug 2024 167th ovs-code 🇩🇪 926 49 19 Aug 2024 167th mousetail 🇳🇱 926 49 13 Sep 2024 167th lynn 926 49 20 Dec 2024 167th weeble 926 49 20 Dec 2024 167th sean-niemann 🇺🇸 926 49 11 Jan 2025 180th emplv 🇱🇻 926 60 5 May 2022 180th GrayJoKing 🇦🇺 926 60 6 May 2022 180th targrik 926 60 24 Dec 2024 180th xsot 🇸🇬 926 60 1 May 2025 184th ovs-code 🇩🇪 925 52 16 Jan 2024 184th kg583 🇺🇸 925 52 24 Jan 2024 184th Shanethegamer 🇺🇸 925 52 24 Mar 2024 184th pardouin 🇫🇷 925 52 11 Jul 2024 184th Steffan153 🇫🇮 925 52 17 Aug 2024 184th sean-niemann 🇺🇸 925 52 24 Jan 2025 190th Lydxn 🇨🇦 924 38 4 May 2022 190th GrayJoKing 🇦🇺 924 38 5 May 2022 190th Steffan153 🇫🇮 924 38 16 Dec 2022 190th ovs-code 🇩🇪 924 38 30 Dec 2023 194th Shanethegamer 🇺🇸 924 84 9 Apr 2025 194th HumanoidCPU 924 84 10 Apr 2025 194th stefangimmillaro 924 84 10 Apr 2025 194th sean-niemann 🇺🇸 924 84 10 Apr 2025 194th annaproxy 924 84 11 Apr 2025 194th Re-Adventures 🇮🇳 924 84 15 Apr 2025 194th janbehrens 🇩🇪 924 84 17 Apr 2025 194th fuzzylojik-golf 🇺🇸 924 84 4 days ago 202nd GrayJoKing 🇦🇺 923 70 13 Jul 2024 202nd FlyingPenguin223 923 70 4 Oct 2024 202nd jipsong 🇩🇪 923 70 5 Apr 2025 205th sean-niemann 🇺🇸 922 54 6 Aug 2024 205th Steffan153 🇫🇮 922 54 6 Aug 2024 205th lukegustafson 🇺🇸 922 54 7 Aug 2024 205th pardouin 🇫🇷 922 54 8 Aug 2024 205th Lydxn 🇨🇦 922 54 9 Aug 2024 205th JayXon 🇺🇸 922 54 9 Aug 2024 211th MeWhenI 🇻🇦 921 68 23 Feb 2023 211th JayXon 🇺🇸 921 68 4 Mar 2025 213th Lydxn 🇨🇦 921 70 17 Oct 2022 213th JayXon 🇺🇸 921 70 17 Oct 2022 215th ovs-code 🇩🇪 920 60 9 Oct 2023 215th GrayJoKing 🇦🇺 920 60 11 Oct 2023 215th Lydxn 🇨🇦 920 60 11 Oct 2023 215th GolfingSuccess 🇬🇷 920 60 16 Nov 2023 215th Steffan153 🇫🇮 920 60 28 Jan 2024 215th JayXon 🇺🇸 920 60 29 Jan 2024 215th rucin93 🇵🇱 920 60 10 Jul 2024 215th sean-niemann 🇺🇸 920 60 10 Jul 2024 223rd Luca2812 920 127 12 Dec 2022 223rd plastic-bottle 920 127 13 Sep 2023 223rd h3ra993huskp 🇯🇵 920 127 17 Sep 2023 Prev 151–225 of 3,052 Next
