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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 561st JayXon 🇺🇸 887 74 2,178ms 14 Nov 2024 562nd jared-hughes 887 130 22ms 15 Dec 2024 563rd lynn 886 65 283ms 5 May 2022 563rd GrayJoKing 🇦🇺 886 65 250ms 5 May 2022 563rd Sakisan 🇧🇪 886 65 178ms 6 May 2022 563rd JayXon 🇺🇸 886 65 301ms 17 Oct 2022 563rd Steffan153 🇫🇮 886 65 181ms 12 Nov 2022 563rd tobeannouncd 886 65 302ms 25 Apr 2025 563rd sean-niemann 🇺🇸 886 65 168ms 9 Jun 2025 570th stefangimmillaro 886 71 89ms 2 Oct 2022 570th Steffan153 🇫🇮 886 71 96ms 23 Feb 2023 570th Shanethegamer 🇺🇸 886 71 90ms 16 May 2023 570th sean-niemann 🇺🇸 886 71 89ms 12 Jul 2024 574th Shanethegamer 🇺🇸 886 72 116ms 8 May 2025 574th edsrzf 🇳🇿 886 72 110ms 4 Jul 2025 574th Yewzir 🇧🇪 886 72 110ms 20 Nov 2025 577th DialFrost 🇸🇬 886 74 17ms 3 days ago 577th Steffan153 🇫🇮 886 74 16ms 3 days ago 577th GrayJoKing 🇦🇺 886 74 17ms 3 days ago 577th GolfingSuccess 🇬🇷 886 74 17ms 32 hours ago 581st DialFrost 🇸🇬 886 95 29ms 10 Dec 2024 582nd canissimia 🇦🇶 886 110 2,640ms 20 Feb 2023 583rd GrayJoKing 🇦🇺 885 77 76ms 13 Sep 2024 584th Steffan153 🇫🇮 884 52 7ms 31 Dec 2022 584th blaztoma 🇱🇹 884 52 7ms 18 Jan 2026 586th albanian-laundromat 884 94 486ms 24 Sep 2025 586th jkelly467 884 94 401ms 23 Oct 2025 586th HumanoidCPU 884 94 479ms 8 Nov 2025 589th DialFrost 🇸🇬 883 76 82ms 17 Mar 2025 590th m-tkach 🇺🇦 883 112 124ms 22 Jun 2025 591st stefangimmillaro 882 53 37ms 2 Oct 2022 591st Haksell 🇦🇶 882 53 42ms 22 Feb 2023 593rd GrayJoKing 🇦🇺 882 70 2ms 6 May 2022 593rd ovs-code 🇩🇪 882 70 2ms 8 Oct 2023 593rd 09cf 882 70 2ms 8 Oct 2023 593rd saito-ta 🇯🇵 882 70 2ms 21 Dec 2023 593rd sean-niemann 🇺🇸 882 70 2ms 10 Jul 2024 593rd KasperKivimaeki 🇫🇮 882 70 6ms 8 Aug 2025 599th primo-ppcg 🇹🇭 882 85 39ms 14 Jan 2025 599th MeWhenI 🇻🇦 882 85 41ms 21 Apr 2025 601st SiestaGuru 882 88 411ms 9 Jan 2023 601st rifatx 882 88 390ms 5 Jul 2024 601st kmathis22 882 88 398ms 25 Sep 2025 604th Irratix 🇳🇱 882 96 63ms 4 May 2022 604th MeWhenI 🇻🇦 882 96 57ms 1 Jun 2022 604th janbehrens 🇩🇪 882 96 66ms 21 Apr 2023 604th Shanethegamer 🇺🇸 882 96 61ms 15 May 2023 604th Yewzir 🇧🇪 882 96 59ms 11 Nov 2023 604th MateuszPietrzak 🇵🇱 882 96 61ms 18 Nov 2023 604th kkoenig 882 96 61ms 21 Dec 2023 604th BlankSpruce 882 96 63ms 20 Aug 2024 604th fuzzylojik-golf 🇺🇸 882 96 61ms 14 Jun 2025 604th dokutan 882 96 69ms 16 days ago 614th primo-ppcg 🇹🇭 881 52 219ms 5 May 2022 614th dvargas46 🇺🇸 881 52 87ms 22 Dec 2022 616th frosster 🇨🇦 881 77 5ms 16 days ago 617th ovs-code 🇩🇪 881 89 458ms 24 Jul 2024 617th jipsong 🇩🇪 881 89 450ms 7 Apr 2025 617th DialFrost 🇸🇬 881 89 485ms 24 Dec 2025 620th nipzu 881 94 120ms 17 May 2022 620th Natanaelel 🇸🇪 881 94 128ms 17 Jun 2022 620th nkoppel 881 94 122ms 19 Oct 2022 620th ovs-code 🇩🇪 881 94 118ms 21 Jun 2023 620th mousetail 🇳🇱 881 94 122ms 12 Jan 2024 625th snoozingnewt 🇨🇦 881 95 107ms 4 Dec 2025 626th sisyphus-ppcg 🇦🇺 880 40 336ms 31 Jan 2023 626th sean-niemann 🇺🇸 880 40 326ms 8 Mar 2025 628th ovs-code 🇩🇪 880 73 340ms 22 Jul 2023 629th sean-niemann 🇺🇸 880 108 288ms 25 May 2024 629th GolfingSuccess 🇬🇷 880 108 279ms 6 Sep 2025 631st primo-ppcg 🇹🇭 880 193 107ms 14 Aug 2025 632nd GrayJoKing 🇦🇺 879 72 428ms 31 May 2022 632nd Shanethegamer 🇺🇸 879 72 442ms 1 Jun 2022 632nd Steffan153 🇫🇮 879 72 430ms 10 Dec 2022 635th steffan-polygolf 879 74 149ms 14 Feb 2024 635th prestosilver 🇺🇸 879 74 141ms 18 Dec 2025 637th Shanethegamer 🇺🇸 877 142 1,428ms 27 Mar 2025 637th DialFrost 🇸🇬 877 142 1,412ms 28 Mar 2025 637th emgordon154 877 142 2,009ms 10 Apr 2025 637th GolfingSuccess 🇬🇷 877 142 1,464ms 6 Dec 2025 First Prev 561–640 of 3,573 Next Last