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 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 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 Scrambled Alphabetization 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 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 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 Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 669th Jacob385 858 62 13 Mar 2024 669th junkondo-jp 858 62 30 Jun 2024 669th ShiraJoseph 🇺🇸 858 62 1 Mar 2025 679th Andriamanitra 🇫🇮 858 67 26 Apr 2023 680th steffan-polygolf 858 73 23 Feb 2023 680th MWI-polygolf 858 73 6 Dec 2023 680th HumanoidCPU 858 73 7 May 2024 683rd ulucs 857 35 8 May 2022 683rd GrayJoKing 🇦🇺 857 35 9 May 2022 683rd bstrat 857 35 6 Jun 2024 683rd wh3n3v3r 🇨🇿 857 35 18 Nov 2024 687th 5quiwyrm 857 52 4 Sep 2022 687th MeWhenI 🇻🇦 857 52 28 Jan 2023 687th Feniske 🇫🇷 857 52 7 Nov 2023 687th dcgjb 857 52 29 Jan 2024 687th JPRuskin 🇬🇧 857 52 27 days ago 687th IISResetMe 857 52 27 days ago 693rd Steffan153 🇫🇮 857 78 4 Feb 2023 694th JRaspass 🇬🇧 856 41 4 May 2022 694th SirBogman 🇺🇸 856 41 4 May 2022 694th Natanaelel 🇸🇪 856 41 4 May 2022 697th GrayJoKing 🇦🇺 856 67 8 Feb 2025 698th jared-hughes 856 72 6 Jul 2022 698th Steffan153 🇫🇮 856 72 3 Jan 2023 698th MeWhenI 🇻🇦 856 72 7 May 2023 698th ListeriaM 856 72 22 Aug 2023 698th larcherMTT 856 72 5 Oct 2024 698th snyderek 🇺🇸 856 72 19 Feb 2025 704th MeWhenI 🇻🇦 856 81 23 May 2023 705th ovs-code 🇩🇪 855 133 8 Jul 2024 706th KatieLG 🇬🇧 854 115 25 Sep 2022 706th emgordon154 854 115 17 Jan 2025 708th MeWhenI 🇻🇦 854 145 28 Mar 2025 709th DialFrost 🇸🇬 853 50 24 Oct 2023 710th ovs-code 🇩🇪 853 83 1 Jul 2024 711th eshilo-draper 853 91 4 Sep 2022 711th ericlangedijk 🇸🇮 853 91 23 May 2023 711th KatieLG 🇬🇧 853 91 30 Apr 2024 711th Mikey-Beep 🇬🇧 853 91 3 Sep 2024 715th eshilo-draper 853 137 4 Sep 2022 716th ovs-code 🇩🇪 852 85 11 Dec 2023 717th yeminghan2021 852 99 3 Feb 2025 718th Shanethegamer 🇺🇸 851 83 4 May 2022 719th 386asm 🇺🇸 851 86 9 Apr 2023 720th Frowny 850 38 5 May 2022 720th stackofbears 850 38 14 Mar 2025 722nd o0lit3 🇺🇸 850 54 22 Jun 2023 722nd Natanaelel 🇸🇪 850 54 10 Feb 2025 724th typeswitch-dev 🇵🇹 850 75 22 Jul 2023 725th frosster 850 76 12 May 2023 725th kyleclaassen 850 76 20 May 2023 725th RockOfStone 850 76 17 Mar 2024 725th NickTheEASDude 🇺🇸 850 76 7 May 2024 725th Antibrain0 850 76 8 Nov 2024 730th Yewzir 🇧🇪 849 65 9 Oct 2023 730th MeWhenI 🇻🇦 849 65 10 Oct 2023 732nd MeWhenI 🇻🇦 849 92 10 Oct 2022 732nd Betuaredead 849 92 5 Jan 2023 734th Shanethegamer 🇺🇸 849 99 27 Apr 2023 735th SirBogman 🇺🇸 848 55 5 May 2022 735th xiBread 🇺🇸 848 55 6 May 2022 735th 4hg 🇺🇸 848 55 24 Aug 2022 735th DialFrost 🇸🇬 848 55 1 Jan 2023 735th error256 848 55 4 May 2024 740th JayXon 🇺🇸 847 56 9 May 2022 741st sean-niemann 🇺🇸 847 79 23 Oct 2024 741st DialFrost 🇸🇬 847 79 25 Oct 2024 741st emgordon154 847 79 27 Oct 2024 741st stefangimmillaro 847 79 28 Oct 2024 745th azka1368 847 138 23 Nov 2023 745th Schmitt-Very-Cool 847 138 19 Jul 2024 747th MeWhenI 🇻🇦 846 26 25 Aug 2022 747th AlephSquirrel 846 26 6 Jan 2023 747th ovs-code 🇩🇪 846 26 5 May 2024 747th saito-ta 🇯🇵 846 26 12 Dec 2024 Prev 676–750 of 3,005 Next