Collatz in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Maze Medal Tally 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 526th Irratix 🇳🇱 879 96 4 May 2022 526th MeWhenI 🇻🇦 879 96 1 Jun 2022 526th janbehrens 🇩🇪 879 96 21 Apr 2023 526th Shanethegamer 🇺🇸 879 96 15 May 2023 526th Yewzir 🇧🇪 879 96 11 Nov 2023 526th MateuszPietrzak 🇵🇱 879 96 18 Nov 2023 526th kkoenig 879 96 21 Dec 2023 526th sean-niemann 🇺🇸 879 96 10 Jul 2024 526th BlankSpruce 879 96 20 Aug 2024 535th sisyphus-ppcg 🇦🇺 878 40 31 Jan 2023 535th sean-niemann 🇺🇸 878 40 8 Mar 2025 537th ovs-code 🇩🇪 878 89 24 Jul 2024 537th jipsong 🇩🇪 878 89 7 Apr 2025 539th m-tkach 🇺🇦 878 113 15 Jan 2025 540th ravnskjaer 🇩🇰 878 133 11 Sep 2024 541st ovs-code 🇩🇪 877 151 9 Sep 2023 542nd primo-ppcg 🇹🇭 876 85 14 Jan 2025 542nd MeWhenI 🇻🇦 876 85 17 days ago 544th Shanethegamer 🇺🇸 875 70 12 Dec 2022 544th Alessandro-Balconi 🇮🇹 875 70 26 Dec 2022 546th GrayJoKing 🇦🇺 875 72 31 May 2022 546th Shanethegamer 🇺🇸 875 72 1 Jun 2022 546th Steffan153 🇫🇮 875 72 10 Dec 2022 549th steffan-polygolf 875 74 14 Feb 2024 550th Shanethegamer 🇺🇸 874 51 15 May 2023 551st jared-hughes 874 130 15 Dec 2024 552nd rucin93 🇵🇱 873 57 4 Aug 2024 552nd dokutan 873 57 9 Aug 2024 554th ovs-code 🇩🇪 873 73 22 Jul 2023 555th Grrisly 873 74 25 Mar 2024 556th c0d3-4-F00d 🇩🇪 872 61 6 May 2022 556th jackkav 872 61 26 Jun 2022 556th TechNolaByte 872 61 6 Jul 2022 556th Heathcorp 🇦🇺 872 61 17 Jul 2022 556th C0de5mith 🇺🇸 872 61 3 Aug 2022 556th sebipopa 🇷🇴 872 61 18 Aug 2022 556th moikaturns 🇬🇧 872 61 25 Sep 2022 556th FlorianCassayre 🇫🇷 872 61 27 Sep 2022 556th Mazn3k 872 61 1 Feb 2023 556th tvcv901 872 61 22 Mar 2023 556th unfinishedprogram 872 61 19 Jul 2023 556th snoozingnewt 🇺🇸 872 61 23 Sep 2023 556th funnyboy-roks 872 61 9 May 2024 556th bac0id 872 61 29 Jun 2024 556th madex 🇩🇪 872 61 9 Jul 2024 556th cdesodt 872 61 10 Oct 2024 556th RobertHoeh 872 61 5 Apr 2025 556th kirjavascript 872 61 4 days ago 574th NerdyMcNerd42 872 64 26 Oct 2022 574th tpasfieldERAU 872 64 14 Nov 2022 574th CheeseCake628 🇳🇴 872 64 6 Jan 2023 574th adamnielson42 🇺🇸 872 64 25 Apr 2023 574th nathsou 🇫🇷 872 64 2 Sep 2023 574th zwxzwxzwx21 872 64 30 Jan 2024 574th steffan-polygolf 872 64 8 Mar 2024 574th Jacob385 872 64 4 Apr 2024 574th gallium-gonzollium 872 64 26 Aug 2024 583rd GrayJoKing 🇦🇺 872 84 19 Jun 2022 583rd primo-ppcg 🇹🇭 872 84 29 Jun 2022 585th c0d3-4-F00d 🇩🇪 872 89 5 May 2022 585th TRexOnGit 872 89 16 Feb 2024 585th arcpolaris 872 89 18 Nov 2024 588th althryenix 872 134 25 Jul 2022 588th MrGagnonHPS 872 134 1 Nov 2023 590th Shanethegamer 🇺🇸 872 142 27 Mar 2025 590th DialFrost 🇸🇬 872 142 28 Mar 2025 590th emgordon154 872 142 10 Apr 2025 593rd Shanethegamer 🇺🇸 872 152 9 Sep 2023 593rd emgordon154 872 152 2 Oct 2024 593rd DialFrost 🇸🇬 872 152 27 Oct 2024 596th HPWiz 🇳🇿 871 49 4 May 2022 596th JayXon 🇺🇸 871 49 5 May 2022 596th Steffan153 🇫🇮 871 49 10 Dec 2022 596th ovs-code 🇩🇪 871 49 24 Oct 2023 596th sean-niemann 🇺🇸 871 49 12 Jul 2024 Prev 526–600 of 3,015 Next
