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 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 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 Calendar 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 Multitap Input NFA Simulator 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 Multitap Input NFA Simulator 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 750th MWI-polygolf 861 73 73ms 6 Dec 2023 750th HumanoidCPU 861 73 72ms 7 May 2024 753rd Steffan153 🇫🇮 861 78 80ms 4 Feb 2023 754th GrayJoKing 🇦🇺 860 56 384ms 15 Jan 2024 754th AlephSquirrel 860 56 453ms 21 Jan 2024 756th Setvizan 860 62 10ms 12 Jan 2023 756th GreenBeansAgainstVeganism 860 62 10ms 13 Jan 2023 756th arctouch-cristiannevianna 860 62 10ms 3 Apr 2023 756th Corxldyphik 860 62 10ms 11 Apr 2023 756th Blockyheadman 860 62 10ms 1 Nov 2023 756th ollyspooner 860 62 10ms 22 Nov 2023 756th itserasmus 860 62 10ms 25 Jan 2024 756th Jacob385 860 62 10ms 13 Mar 2024 756th junkondo-jp 860 62 11ms 30 Jun 2024 756th ShiraJoseph 🇺🇸 860 62 9ms 1 Mar 2025 756th tomh1012 860 62 10ms 3 days ago 767th yzhs 🇩🇪 860 65 20ms 16 Jun 2022 767th rollershutter 860 65 19ms 9 Sep 2022 767th bac0id 860 65 19ms 26 Sep 2023 767th robin-scragg 860 65 21ms 8 Jun 2025 767th RaBa21 🇭🇺 860 65 24ms 11 Jul 2025 767th TransformLikeATensor 860 65 19ms 17 Oct 2025 773rd Andriamanitra 🇫🇮 860 67 159ms 26 Apr 2023 774th Shanethegamer 🇺🇸 860 97 106ms 15 Apr 2025 774th GolfingSuccess 🇬🇷 860 97 98ms 8 days ago 774th DialFrost 🇸🇬 860 97 94ms 5 days ago 777th MeWhenI 🇻🇦 859 81 8ms 23 May 2023 778th MeWhenI 🇻🇦 859 145 470ms 28 Mar 2025 779th ulucs 858 35 9ms 8 May 2022 779th bstrat 858 35 8ms 6 Jun 2024 779th wh3n3v3r 🇨🇿 858 35 9ms 18 Nov 2024 782nd JRaspass 🇬🇧 858 41 329ms 4 May 2022 782nd SirBogman 🇺🇸 858 41 217ms 4 May 2022 782nd Natanaelel 🇸🇪 858 41 340ms 4 May 2022 785th 5quiwyrm 858 52 279ms 4 Sep 2022 785th MeWhenI 🇻🇦 858 52 261ms 28 Jan 2023 785th Feniske 🇫🇷 858 52 208ms 7 Nov 2023 785th dcgjb 858 52 251ms 29 Jan 2024 785th JPRuskin 🇬🇧 858 52 290ms 7 Apr 2025 785th IISResetMe 858 52 259ms 7 Apr 2025 785th Ripick 858 52 261ms 1 Jun 2025 792nd Yewzir 🇧🇪 858 160 1,672ms 22 days ago 793rd jared-hughes 857 72 3ms 6 Jul 2022 793rd Steffan153 🇫🇮 857 72 3ms 3 Jan 2023 793rd MeWhenI 🇻🇦 857 72 2ms 7 May 2023 793rd ListeriaM 857 72 2ms 22 Aug 2023 793rd larcherMTT 857 72 3ms 5 Oct 2024 793rd snyderek 🇺🇸 857 72 3ms 19 Feb 2025 793rd 5quiwyrm 857 72 3ms 29 Jun 2025 793rd TeodorDyakov 🇧🇬 857 72 2ms 8 Jul 2025 793rd xiaoyiming123 857 72 2ms 12 Jul 2025 802nd ovs-code 🇩🇪 856 83 54ms 1 Jul 2024 803rd Liibe 856 97 334ms 25 Sep 2025 803rd Schmitt-Very-Cool 856 97 336ms 26 Sep 2025 805th frankgraziano 856 198 101ms 14 Oct 2025 806th Frowny 855 38 43ms 5 May 2022 806th stackofbears 855 38 53ms 14 Mar 2025 808th typeswitch-dev 🇵🇹 855 75 5ms 22 Jul 2023 809th 386asm 🇺🇸 855 86 45ms 9 Apr 2023 810th DialFrost 🇸🇬 854 50 254ms 24 Oct 2023 811th MeWhenI 🇻🇦 854 71 96ms 13 Dec 2022 812th henrydukepickle 854 97 124ms 8 Jul 2025 813th yeminghan2021 854 99 56ms 3 Feb 2025 814th aditsu 853 77 2,042ms 13 days ago 815th eshilo-draper 853 91 317ms 4 Sep 2022 815th ericlangedijk 🇸🇮 853 91 330ms 23 May 2023 815th KatieLG 🇬🇧 853 91 333ms 30 Apr 2024 815th Mikey-Beep 🇬🇧 853 91 316ms 3 Sep 2024 819th ovs-code 🇩🇪 853 161 1,597ms 14 Sep 2025 820th frosster 852 76 7ms 12 May 2023 820th kyleclaassen 852 76 7ms 20 May 2023 820th NickTheEASDude 🇺🇸 852 76 6ms 7 May 2024 820th koipondx86 852 76 7ms 8 Nov 2024 824th Shanethegamer 🇺🇸 852 83 1,291ms 4 May 2022 825th MeWhenI 🇻🇦 852 92 398ms 10 Oct 2022 First Prev 751–825 of 3,485 Next Last