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 666th masinag 🇮🇹 868 71 6 Oct 2024 666th KasperKivimaeki 🇫🇮 868 71 27 Mar 2025 678th AlephSquirrel 867 80 20 Apr 2023 678th ashtraypettingzoo 🇺🇸 867 80 1 Apr 2024 680th nwellnhof 🇩🇪 866 53 4 May 2022 680th GrayJoKing 🇦🇺 866 53 6 May 2022 682nd DialFrost 🇸🇬 866 86 24 Oct 2024 682nd stefangimmillaro 866 86 14 Jan 2025 684th dieggsy 866 97 8 Oct 2024 684th edsrzf 🇳🇿 866 97 8 Dec 2024 686th lukehewittvandy 866 135 18 Jul 2022 686th OriEy 866 135 27 Apr 2023 686th Maximizer02 866 135 8 Jun 2024 686th 0dyse 866 135 23 Apr 2025 690th jacobly0 🇺🇸 866 153 26 Sep 2023 691st Andriamanitra 🇫🇮 864 54 21 Jul 2022 691st jared-hughes 864 54 12 Sep 2022 691st OhmNomNom 864 54 7 Oct 2022 691st olleicua 🇺🇸 864 54 21 Jan 2024 691st LostSyntax21 🇬🇧 864 54 12 Mar 2025 691st AbrahamJLR 864 54 16 days ago 697th Shanethegamer 🇺🇸 863 70 12 Dec 2022 697th Alessandro-Balconi 🇮🇹 863 70 26 Dec 2022 699th DialFrost 🇸🇬 862 64 10 Jul 2024 700th Grrisly 862 114 25 Mar 2024 701st mtirado1 861 75 13 Aug 2022 702nd Steffan153 🇫🇮 861 82 23 Feb 2023 703rd MeWhenI 🇻🇦 861 85 27 Jun 2022 703rd Shanethegamer 🇺🇸 861 85 15 May 2023 705th tomh1012 861 90 5 May 2022 705th deadp4nda 🇩🇪 861 90 26 Apr 2024 707th TylerBloom 861 96 22 Mar 2024 708th shellbertt 🇨🇦 861 98 9 May 2022 708th iakolzin 861 98 26 May 2022 708th Betuaredead 861 98 5 Jan 2023 708th oceko 861 98 19 Feb 2024 708th dokutan 861 98 17 Mar 2024 708th cuzdav 861 98 4 May 2025 714th MeWhenI 🇻🇦 860 154 10 Oct 2023 715th GrayJoKing 🇦🇺 859 56 15 Jan 2024 715th AlephSquirrel 859 56 21 Jan 2024 717th Setvizan 859 62 12 Jan 2023 717th GreenBeansAgainstVeganism 859 62 13 Jan 2023 717th arctouch-cristiannevianna 859 62 3 Apr 2023 717th Corxldyphik 859 62 11 Apr 2023 717th Blockyheadman 859 62 1 Nov 2023 717th ollyspooner 859 62 22 Nov 2023 717th itserasmus 859 62 25 Jan 2024 717th Jacob385 859 62 13 Mar 2024 717th junkondo-jp 859 62 30 Jun 2024 717th ShiraJoseph 🇺🇸 859 62 1 Mar 2025 727th yzhs 🇩🇪 859 65 16 Jun 2022 727th rollershutter 859 65 9 Sep 2022 727th bac0id 859 65 26 Sep 2023 727th mossiegoat 859 65 11 days ago 731st ovs-code 🇩🇪 859 133 8 Jul 2024 732nd crizin 🇰🇷 859 136 9 Sep 2023 732nd TheZwierzLF 🇵🇱 859 136 17 days ago 734th ulucs 858 35 8 May 2022 734th bstrat 858 35 6 Jun 2024 734th wh3n3v3r 🇨🇿 858 35 18 Nov 2024 737th Andriamanitra 🇫🇮 858 67 26 Apr 2023 738th steffan-polygolf 858 73 23 Feb 2023 738th MWI-polygolf 858 73 6 Dec 2023 738th HumanoidCPU 858 73 7 May 2024 741st Steffan153 🇫🇮 858 78 4 Feb 2023 742nd 5quiwyrm 857 52 4 Sep 2022 742nd MeWhenI 🇻🇦 857 52 28 Jan 2023 742nd Feniske 🇫🇷 857 52 7 Nov 2023 742nd dcgjb 857 52 29 Jan 2024 742nd JPRuskin 🇬🇧 857 52 7 Apr 2025 742nd IISResetMe 857 52 7 Apr 2025 742nd Ripick 857 52 18 days ago 749th MeWhenI 🇻🇦 857 145 28 Mar 2025 750th JRaspass 🇬🇧 856 41 4 May 2022 Prev 676–750 of 3,112 Next
