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Collatz in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 598th saito-ta 🇯🇵 883 70 2ms 21 Dec 2023 598th sean-niemann 🇺🇸 883 70 2ms 10 Jul 2024 598th KasperKivimaeki 🇫🇮 883 70 6ms 8 Aug 2025 604th SiestaGuru 883 88 434ms 9 Jan 2023 604th rifatx 883 88 437ms 5 Jul 2024 604th kmathis22 883 88 412ms 25 Sep 2025 607th primo-ppcg 🇹🇭 882 52 219ms 5 May 2022 607th dvargas46 🇺🇸 882 52 87ms 22 Dec 2022 609th frosster 🇨🇦 882 77 5ms 8 Feb 2026 610th Shanethegamer 🇺🇸 882 83 1,496ms 4 May 2022 611th primo-ppcg 🇹🇭 882 85 39ms 14 Jan 2025 611th MeWhenI 🇻🇦 882 85 41ms 21 Apr 2025 613th nipzu 882 94 128ms 17 May 2022 613th Natanaelel 🇸🇪 882 94 129ms 17 Jun 2022 613th nkoppel 882 94 128ms 19 Oct 2022 613th ovs-code 🇩🇪 882 94 131ms 21 Jun 2023 613th mousetail 🇳🇱 882 94 136ms 12 Jan 2024 618th Irratix 🇳🇱 882 96 60ms 4 May 2022 618th MeWhenI 🇻🇦 882 96 62ms 1 Jun 2022 618th janbehrens 🇩🇪 882 96 58ms 21 Apr 2023 618th Shanethegamer 🇺🇸 882 96 62ms 15 May 2023 618th Yewzir 🇧🇪 882 96 71ms 11 Nov 2023 618th MateuszPietrzak 🇵🇱 882 96 63ms 18 Nov 2023 618th kkoenig 882 96 62ms 21 Dec 2023 618th BlankSpruce 882 96 62ms 20 Aug 2024 618th fuzzylojik-golf 🇺🇸 882 96 65ms 14 Jun 2025 618th dokutan 882 96 76ms 8 Feb 2026 628th ovs-code 🇩🇪 881 73 340ms 22 Jul 2023 629th ovs-code 🇩🇪 881 89 458ms 24 Jul 2024 629th jipsong 🇩🇪 881 89 450ms 7 Apr 2025 629th DialFrost 🇸🇬 881 89 485ms 24 Dec 2025 632nd sisyphus-ppcg 🇦🇺 880 40 382ms 31 Jan 2023 632nd sean-niemann 🇺🇸 880 40 361ms 8 Mar 2025 634th canissimia 🇦🇶 880 50 42ms 5 May 2022 634th ovs-code 🇩🇪 880 50 245ms 7 May 2022 634th sisyphus-ppcg 🇦🇺 880 50 50ms 20 Feb 2023 634th sean-niemann 🇺🇸 880 50 42ms 9 Jun 2025 634th pardouin 🇫🇷 880 50 43ms 22 Aug 2025 639th sean-niemann 🇺🇸 880 108 335ms 25 May 2024 639th GolfingSuccess 🇬🇷 880 108 340ms 6 Sep 2025 639th edsrzf 🇳🇿 880 108 330ms 23 days ago 642nd primo-ppcg 🇹🇭 880 193 107ms 14 Aug 2025 643rd GrayJoKing 🇦🇺 879 72 433ms 31 May 2022 643rd Shanethegamer 🇺🇸 879 72 437ms 1 Jun 2022 643rd Steffan153 🇫🇮 879 72 442ms 10 Dec 2022 646th steffan-polygolf 879 74 131ms 14 Feb 2024 646th prestosilver 🇺🇸 879 74 145ms 18 Dec 2025 648th Steffan153 🇫🇮 878 75 2,676ms 24 days ago 649th GrayJoKing 🇦🇺 878 84 35ms 19 Jun 2022 649th primo-ppcg 🇹🇭 878 84 36ms 29 Jun 2022 649th MeWhenI 🇻🇦 878 84 38ms 30 Dec 2025 652nd emgordon154 877 96 117ms 3 Dec 2025 653rd Shanethegamer 🇺🇸 877 142 1,195ms 27 Mar 2025 653rd DialFrost 🇸🇬 877 142 1,201ms 28 Mar 2025 653rd emgordon154 877 142 1,224ms 10 Apr 2025 653rd GolfingSuccess 🇬🇷 877 142 1,214ms 6 Dec 2025 657th mousetail 🇳🇱 876 40 66ms 29 Aug 2025 658th Shanethegamer 🇺🇸 875 51 474ms 15 May 2023 659th DialFrost 🇸🇬 875 73 149ms 3 Jun 2025 660th madeforlosers 875 95 450ms 19 days ago 661st c0d3-4-F00d 🇩🇪 874 61 12ms 6 May 2022 661st jackkav 874 61 11ms 26 Jun 2022 661st TechNolaByte 874 61 12ms 6 Jul 2022 661st Heathcorp 🇦🇺 874 61 12ms 17 Jul 2022 661st C0de5mith 🇺🇸 874 61 13ms 3 Aug 2022 661st sebipopa 🇷🇴 874 61 11ms 18 Aug 2022 661st moikaturns 🇬🇧 874 61 13ms 25 Sep 2022 661st FlorianCassayre 🇫🇷 874 61 12ms 27 Sep 2022 661st Mazn3k 874 61 13ms 1 Feb 2023 661st tvcv901 874 61 12ms 22 Mar 2023 661st unfinishedprogram 874 61 12ms 19 Jul 2023 661st snoozingnewt 🇨🇦 874 61 11ms 23 Sep 2023 661st funnyboy-roks 874 61 12ms 9 May 2024 661st bac0id 874 61 15ms 29 Jun 2024 661st FortuiteMan 🇫🇷 874 61 12ms 10 Oct 2024 661st RobertHoeh 874 61 13ms 5 Apr 2025 661st LvLError 874 61 11ms 29 May 2025 661st miles-evan 874 61 22ms 5 Aug 2025 661st alexsave 874 61 11ms 13 Oct 2025 661st ComradeSquirrel 874 61 11ms 22 days ago 681st NerdyMcNerd42 874 64 21ms 26 Oct 2022 681st tpasfieldERAU 874 64 24ms 14 Nov 2022 681st CheeseCake628 🇳🇴 874 64 23ms 6 Jan 2023 681st adamnielson42 🇺🇸 874 64 21ms 25 Apr 2023 681st nathsou 🇫🇷 874 64 21ms 2 Sep 2023 681st zwxzwxzwx21 874 64 24ms 30 Jan 2024 681st steffan-polygolf 874 64 21ms 8 Mar 2024 681st Jacob385 874 64 59ms 4 Apr 2024 681st gallium-gonzollium 874 64 26ms 26 Aug 2024 690th dokutan 873 62 5ms 28 Apr 2025 691st Shanethegamer 🇺🇸 873 66 172ms 4 May 2022 691st scpchicken 🇵🇼 873 66 254ms 5 May 2022 691st sisyphus-ppcg 🇦🇺 873 66 173ms 6 May 2022 691st Natanaelel 🇸🇪 873 66 144ms 15 Jun 2022 691st Z-snails 873 66 254ms 27 Feb 2023 691st Jeremy-Stafford 873 66 258ms 27 Feb 2023 691st alomiF 873 66 287ms 1 Sep 2023 691st btnlq 873 66 145ms 17 Oct 2023 691st Shengxuan-Zhang 873 66 278ms 20 Feb 2026 700th johnnythedoggie 873 72 102ms 13 May 2022 First Prev 601–700 of 3,667 Next Last