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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 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 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 600th ovs-code 🇩🇪 883 70 2ms 8 Oct 2023 600th 09cf 883 70 2ms 8 Oct 2023 600th saito-ta 🇯🇵 883 70 2ms 21 Dec 2023 600th sean-niemann 🇺🇸 883 70 2ms 10 Jul 2024 600th KasperKivimaeki 🇫🇮 883 70 6ms 8 Aug 2025 606th ovs-code 🇩🇪 883 73 340ms 22 Jul 2023 607th Shanethegamer 🇺🇸 883 83 1,496ms 4 May 2022 608th primo-ppcg 🇹🇭 883 85 39ms 14 Jan 2025 608th MeWhenI 🇻🇦 883 85 41ms 21 Apr 2025 610th SiestaGuru 883 88 434ms 9 Jan 2023 610th rifatx 883 88 437ms 5 Jul 2024 610th kmathis22 883 88 412ms 25 Sep 2025 613th frosster 🇨🇦 882 77 5ms 8 Feb 2026 614th ovs-code 🇩🇪 882 89 458ms 24 Jul 2024 614th jipsong 🇩🇪 882 89 450ms 7 Apr 2025 614th DialFrost 🇸🇬 882 89 485ms 24 Dec 2025 617th nipzu 882 94 128ms 17 May 2022 617th Natanaelel 🇸🇪 882 94 129ms 17 Jun 2022 617th nkoppel 882 94 128ms 19 Oct 2022 617th ovs-code 🇩🇪 882 94 131ms 21 Jun 2023 617th mousetail 🇳🇱 882 94 136ms 12 Jan 2024 622nd Irratix 🇳🇱 882 96 60ms 4 May 2022 622nd MeWhenI 🇻🇦 882 96 62ms 1 Jun 2022 622nd janbehrens 🇩🇪 882 96 58ms 21 Apr 2023 622nd Shanethegamer 🇺🇸 882 96 62ms 15 May 2023 622nd Yewzir 🇧🇪 882 96 71ms 11 Nov 2023 622nd MateuszPietrzak 🇵🇱 882 96 63ms 18 Nov 2023 622nd kkoenig 882 96 62ms 21 Dec 2023 622nd BlankSpruce 882 96 62ms 20 Aug 2024 622nd fuzzylojik-golf 🇺🇸 882 96 65ms 14 Jun 2025 622nd dokutan 882 96 76ms 8 Feb 2026 632nd canissimia 🇦🇶 881 50 42ms 5 May 2022 632nd ovs-code 🇩🇪 881 50 245ms 7 May 2022 632nd sisyphus-ppcg 🇦🇺 881 50 50ms 20 Feb 2023 632nd sean-niemann 🇺🇸 881 50 42ms 9 Jun 2025 632nd pardouin 🇫🇷 881 50 43ms 22 Aug 2025 637th sean-niemann 🇺🇸 881 108 335ms 25 May 2024 637th GolfingSuccess 🇬🇷 881 108 340ms 6 Sep 2025 637th edsrzf 🇳🇿 881 108 330ms 21 days ago 640th primo-ppcg 🇹🇭 881 193 107ms 14 Aug 2025 641st sisyphus-ppcg 🇦🇺 880 40 382ms 31 Jan 2023 641st sean-niemann 🇺🇸 880 40 361ms 8 Mar 2025 643rd GrayJoKing 🇦🇺 880 72 433ms 31 May 2022 643rd Shanethegamer 🇺🇸 880 72 437ms 1 Jun 2022 643rd Steffan153 🇫🇮 880 72 442ms 10 Dec 2022 646th steffan-polygolf 880 74 131ms 14 Feb 2024 646th prestosilver 🇺🇸 880 74 145ms 18 Dec 2025 648th Steffan153 🇫🇮 879 75 2,676ms 23 days ago 649th GrayJoKing 🇦🇺 879 84 35ms 19 Jun 2022 649th primo-ppcg 🇹🇭 879 84 36ms 29 Jun 2022 649th MeWhenI 🇻🇦 879 84 38ms 30 Dec 2025 652nd emgordon154 879 96 117ms 3 Dec 2025 653rd Shanethegamer 🇺🇸 879 142 1,195ms 27 Mar 2025 653rd DialFrost 🇸🇬 879 142 1,201ms 28 Mar 2025 653rd emgordon154 879 142 1,224ms 10 Apr 2025 653rd GolfingSuccess 🇬🇷 879 142 1,214ms 6 Dec 2025 657th mousetail 🇳🇱 877 40 66ms 29 Aug 2025 658th DialFrost 🇸🇬 876 73 149ms 3 Jun 2025 659th Shanethegamer 🇺🇸 875 51 474ms 15 May 2023 660th GrayJoKing 🇦🇺 875 74 66ms 1 Nov 2023 661st madeforlosers 875 95 450ms 17 days ago 662nd kg583 🇺🇸 875 105 11ms 14 Mar 2026 662nd Steffan153 🇫🇮 875 105 12ms 19 Mar 2026 664th c0d3-4-F00d 🇩🇪 874 61 12ms 6 May 2022 664th jackkav 874 61 11ms 26 Jun 2022 664th TechNolaByte 874 61 12ms 6 Jul 2022 664th Heathcorp 🇦🇺 874 61 12ms 17 Jul 2022 664th C0de5mith 🇺🇸 874 61 13ms 3 Aug 2022 664th sebipopa 🇷🇴 874 61 11ms 18 Aug 2022 664th moikaturns 🇬🇧 874 61 13ms 25 Sep 2022 664th FlorianCassayre 🇫🇷 874 61 12ms 27 Sep 2022 664th Mazn3k 874 61 13ms 1 Feb 2023 664th tvcv901 874 61 12ms 22 Mar 2023 664th unfinishedprogram 874 61 12ms 19 Jul 2023 664th snoozingnewt 🇨🇦 874 61 11ms 23 Sep 2023 664th funnyboy-roks 874 61 12ms 9 May 2024 664th bac0id 874 61 15ms 29 Jun 2024 664th FortuiteMan 🇫🇷 874 61 12ms 10 Oct 2024 664th RobertHoeh 874 61 13ms 5 Apr 2025 664th LvLError 874 61 11ms 29 May 2025 664th miles-evan 874 61 22ms 5 Aug 2025 664th alexsave 874 61 11ms 13 Oct 2025 664th ComradeSquirrel 874 61 11ms 21 days ago 684th NerdyMcNerd42 874 64 21ms 26 Oct 2022 684th tpasfieldERAU 874 64 24ms 14 Nov 2022 684th CheeseCake628 🇳🇴 874 64 23ms 6 Jan 2023 684th adamnielson42 🇺🇸 874 64 21ms 25 Apr 2023 684th nathsou 🇫🇷 874 64 21ms 2 Sep 2023 684th zwxzwxzwx21 874 64 24ms 30 Jan 2024 684th steffan-polygolf 874 64 21ms 8 Mar 2024 684th Jacob385 874 64 59ms 4 Apr 2024 684th gallium-gonzollium 874 64 26ms 26 Aug 2024 693rd johnnythedoggie 874 72 102ms 13 May 2022 693rd kaascevich 874 72 104ms 8 Jul 2025 693rd madeforlosers 874 72 97ms 17 Mar 2026 696th HPWiz 🇳🇿 873 49 239ms 4 May 2022 696th JayXon 🇺🇸 873 49 246ms 5 May 2022 696th Steffan153 🇫🇮 873 49 261ms 10 Dec 2022 696th ovs-code 🇩🇪 873 49 426ms 24 Oct 2023 696th sean-niemann 🇺🇸 873 49 280ms 12 Jul 2024 First Prev 601–700 of 3,753 Next Last