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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 719th albanian-laundromat 🇺🇸 871 54 1,468ms 14 Nov 2025 719th xsot 🇸🇬 871 54 1,138ms 15 Nov 2025 723rd GolfingSuccess 🇬🇷 870 71 2ms 5 May 2022 723rd emplv 🇱🇻 870 71 2ms 5 May 2022 723rd JayXon 🇺🇸 870 71 2ms 7 May 2022 723rd m-tkach 🇺🇦 870 71 2ms 15 May 2022 723rd nwellnhof 🇩🇪 870 71 2ms 5 Jun 2022 723rd Irratix 🇳🇱 870 71 2ms 13 Jun 2022 723rd michael-pruglo 🇺🇦 870 71 2ms 13 Jul 2022 723rd stefangimmillaro 870 71 2ms 2 Jun 2023 723rd kkoenig 870 71 2ms 21 Dec 2023 723rd JohandeRuiter 🇳🇱 870 71 2ms 14 Sep 2024 723rd masinag 🇮🇹 870 71 2ms 6 Oct 2024 734th AlephSquirrel 870 80 12ms 20 Apr 2023 734th ashtraypettingzoo 🇺🇸 870 80 14ms 1 Apr 2024 734th error256 870 80 18ms 26 days ago 737th Shanethegamer 🇺🇸 870 97 110ms 15 Apr 2025 737th GolfingSuccess 🇬🇷 870 97 102ms 28 Nov 2025 737th DialFrost 🇸🇬 870 97 109ms 1 Dec 2025 740th nwellnhof 🇩🇪 869 53 6ms 4 May 2022 740th GrayJoKing 🇦🇺 869 53 7ms 6 May 2022 742nd ovs-code 🇩🇪 869 133 42ms 8 Jul 2024 743rd albanian-laundromat 🇺🇸 868 73 532ms 16 Dec 2025 744th Shanethegamer 🇺🇸 868 85 38ms 15 May 2023 744th albanian-laundromat 🇺🇸 868 85 40ms 25 Aug 2025 746th dieggsy 868 97 31ms 8 Oct 2024 747th DialFrost 🇸🇬 866 64 5ms 10 Jul 2024 748th 123mjb 866 96 366ms 20 Nov 2025 748th noescareno 866 96 366ms 21 Nov 2025 750th emplv 🇱🇻 865 110 348ms 5 May 2022 750th Shanethegamer 🇺🇸 865 110 309ms 21 Nov 2023 750th targrik 865 110 340ms 30 Jun 2025 753rd DialFrost 🇸🇬 864 86 1,299ms 10 Mar 2025 754th TylerBloom 864 96 123ms 22 Mar 2024 755th shellbertt 🇨🇦 864 98 63ms 9 May 2022 755th iakolzin 864 98 57ms 26 May 2022 755th Betuaredead 864 98 60ms 5 Jan 2023 755th oceko 864 98 74ms 19 Feb 2024 755th cuzdav 864 98 63ms 4 May 2025 755th timhaj 🇸🇮 864 98 65ms 12 Sep 2025 755th Yax42 🇫🇷 864 98 54ms 4 Oct 2025 755th liamjermy6 864 98 61ms 13 days ago 763rd nwellnhof 🇩🇪 863 51 40ms 4 May 2022 763rd primo-ppcg 🇹🇭 863 51 42ms 6 May 2022 763rd janlelis 863 51 38ms 10 May 2022 763rd Natanaelel 🇸🇪 863 51 40ms 2 Jun 2022 763rd blaztoma 🇱🇹 863 51 38ms 11 Mar 2026 768th steffan-polygolf 863 73 92ms 23 Feb 2023 768th MWI-polygolf 863 73 92ms 6 Dec 2023 768th HumanoidCPU 863 73 82ms 7 May 2024 771st deadp4nda 🇩🇪 863 90 415ms 26 Apr 2024 771st 123mjb 863 90 409ms 23 Jun 2025 771st michelebastione 🇮🇹 863 90 435ms 24 Aug 2025 771st razvandmtr 🇷🇴 863 90 425ms 6 Nov 2025 775th GrayJoKing 🇦🇺 861 56 470ms 15 Jan 2024 775th AlephSquirrel 861 56 419ms 21 Jan 2024 775th CaedenHarper 🇨🇦 861 56 476ms 26 Jan 2026 778th Andriamanitra 🇫🇮 861 67 144ms 26 Apr 2023 779th rucin93 🇵🇱 860 57 153ms 4 Aug 2024 779th dokutan 860 57 145ms 9 Aug 2024 781st Setvizan 860 62 10ms 12 Jan 2023 781st GreenBeansAgainstVeganism 860 62 12ms 13 Jan 2023 781st arctouch-cristiannevianna 860 62 12ms 3 Apr 2023 781st Corxldyphik 860 62 12ms 11 Apr 2023 781st Blockyheadman 860 62 12ms 1 Nov 2023 781st ollyspooner 860 62 12ms 22 Nov 2023 781st itserasmus 860 62 14ms 25 Jan 2024 781st Jacob385 860 62 13ms 13 Mar 2024 781st junkondo-jp 860 62 15ms 30 Jun 2024 781st ShiraJoseph 🇺🇸 860 62 14ms 1 Mar 2025 781st tomh1012 860 62 11ms 3 Dec 2025 792nd yzhs 🇩🇪 860 65 20ms 16 Jun 2022 792nd rollershutter 860 65 20ms 9 Sep 2022 792nd bac0id 860 65 21ms 26 Sep 2023 792nd robin-scragg 860 65 23ms 8 Jun 2025 792nd RaBa21 🇭🇺 860 65 26ms 11 Jul 2025 792nd TransformLikeATensor 860 65 21ms 17 Oct 2025 798th dokutan 860 79 10ms 27 Apr 2024 798th SwordF-Official 🇺🇸 860 79 10ms 1 Feb 2026 800th MeWhenI 🇻🇦 860 81 8ms 23 May 2023 First Prev 721–800 of 3,736 Next Last