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 Polygon Triangulations 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 131st starfihs 931 60 12 Oct 2024 131st CaedenHarper 🇨🇦 931 60 3 Nov 2024 131st 5quiwyrm 931 60 12 Nov 2024 131st plcc0 931 60 26 Mar 2025 131st yujh-yujh 🇬🇸 931 60 28 Mar 2025 131st albanian-laundromat 931 60 12 Apr 2025 131st Mukundan314 931 60 17 Apr 2025 158th canissimia 🇦🇶 930 51 6 May 2022 158th Lydxn 🇨🇦 930 51 6 May 2022 158th primo-ppcg 🇹🇭 930 51 6 May 2022 158th pardouin 🇫🇷 930 51 12 Apr 2025 162nd primo-ppcg 🇹🇭 930 58 13 Nov 2022 162nd clockworknazo 930 58 15 Nov 2022 162nd Lydxn 🇨🇦 930 58 7 Feb 2023 162nd xsot 🇸🇬 930 58 28 Jun 2024 162nd Salutations45 930 58 18 Dec 2024 167th grey0ut 929 48 8 Apr 2025 168th m-tkach 🇺🇦 928 91 5 May 2022 168th catfish000 928 91 4 Oct 2023 170th stefangimmillaro 928 126 4 May 2022 170th Irratix 🇳🇱 928 126 4 May 2022 170th MeWhenI 🇻🇦 928 126 4 May 2022 170th janbehrens 🇩🇪 928 126 4 May 2022 170th shellbertt 🇨🇦 928 126 4 May 2022 170th inventshah 928 126 4 May 2022 170th m-tkach 🇺🇦 928 126 4 May 2022 170th sean-niemann 🇺🇸 928 126 4 May 2022 170th nwellnhof 🇩🇪 928 126 4 May 2022 170th Shanethegamer 🇺🇸 928 126 4 May 2022 170th ScottHamper 928 126 5 May 2022 170th ovs-code 🇩🇪 928 126 5 May 2022 170th 5quiwyrm 928 126 4 Sep 2022 170th KrausRaus 🇺🇸 928 126 9 Sep 2022 170th Betuaredead 928 126 5 Jan 2023 170th annaproxy 928 126 7 Jan 2023 170th Yewzir 🇧🇪 928 126 12 Feb 2023 170th Jacob385 928 126 4 Mar 2024 170th dokutan 928 126 17 Mar 2024 170th eMGeeneer 928 126 15 Jun 2024 170th mrondon8 928 126 2 Dec 2024 191st GolfingSuccess 🇬🇷 926 49 12 Aug 2024 191st Shanethegamer 🇺🇸 926 49 12 Aug 2024 191st Steffan153 🇫🇮 926 49 12 Aug 2024 191st MeWhenI 🇻🇦 926 49 13 Aug 2024 191st DialFrost 🇸🇬 926 49 13 Aug 2024 191st GrayJoKing 🇦🇺 926 49 15 Aug 2024 191st btnlq 926 49 16 Aug 2024 191st emgordon154 926 49 19 Aug 2024 191st ovs-code 🇩🇪 926 49 19 Aug 2024 191st mousetail 🇳🇱 926 49 13 Sep 2024 191st lynn 926 49 20 Dec 2024 191st weeble 926 49 20 Dec 2024 191st sean-niemann 🇺🇸 926 49 11 Jan 2025 204th emplv 🇱🇻 926 60 5 May 2022 204th GrayJoKing 🇦🇺 926 60 6 May 2022 204th targrik 926 60 24 Dec 2024 204th xsot 🇸🇬 926 60 1 May 2025 208th ovs-code 🇩🇪 925 52 16 Jan 2024 208th kg583 🇺🇸 925 52 24 Jan 2024 208th Shanethegamer 🇺🇸 925 52 24 Mar 2024 208th pardouin 🇫🇷 925 52 11 Jul 2024 208th Steffan153 🇫🇮 925 52 17 Aug 2024 208th sean-niemann 🇺🇸 925 52 24 Jan 2025 214th Lydxn 🇨🇦 924 38 4 May 2022 214th GrayJoKing 🇦🇺 924 38 5 May 2022 214th Steffan153 🇫🇮 924 38 16 Dec 2022 214th ovs-code 🇩🇪 924 38 30 Dec 2023 218th GrayJoKing 🇦🇺 923 70 13 Jul 2024 218th FlyingPenguin223 923 70 4 Oct 2024 218th jipsong 🇩🇪 923 70 5 Apr 2025 221st roavin 923 84 23 Jun 2022 221st tkr-sh 🇫🇷 923 84 20 Aug 2022 221st Nickmiste 923 84 9 Nov 2022 221st postie77 923 84 19 May 2023 221st ertz1ertz 923 84 13 Sep 2024 Prev 151–225 of 3,130 Next
