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 Mandelbrot 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 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 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 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 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 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 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 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 601st Shanethegamer 🇺🇸 875 142 27 Mar 2025 601st DialFrost 🇸🇬 875 142 28 Mar 2025 601st emgordon154 875 142 10 Apr 2025 604th Shanethegamer 🇺🇸 874 51 15 May 2023 605th rucin93 🇵🇱 873 57 4 Aug 2024 605th dokutan 873 57 9 Aug 2024 607th c0d3-4-F00d 🇩🇪 873 61 6 May 2022 607th jackkav 873 61 26 Jun 2022 607th TechNolaByte 873 61 6 Jul 2022 607th Heathcorp 🇦🇺 873 61 17 Jul 2022 607th C0de5mith 🇺🇸 873 61 3 Aug 2022 607th sebipopa 🇷🇴 873 61 18 Aug 2022 607th moikaturns 🇬🇧 873 61 25 Sep 2022 607th FlorianCassayre 🇫🇷 873 61 27 Sep 2022 607th Mazn3k 873 61 1 Feb 2023 607th tvcv901 873 61 22 Mar 2023 607th unfinishedprogram 873 61 19 Jul 2023 607th snoozingnewt 🇺🇸 873 61 23 Sep 2023 607th funnyboy-roks 873 61 9 May 2024 607th bac0id 873 61 29 Jun 2024 607th madex 🇩🇪 873 61 9 Jul 2024 607th cdesodt 873 61 10 Oct 2024 607th RobertHoeh 873 61 5 Apr 2025 607th kirjavascript 873 61 4 May 2025 607th LvLError 873 61 29 May 2025 607th Lv0Sys 🇵🇱 873 61 30 May 2025 627th NerdyMcNerd42 873 64 26 Oct 2022 627th tpasfieldERAU 873 64 14 Nov 2022 627th CheeseCake628 🇳🇴 873 64 6 Jan 2023 627th adamnielson42 🇺🇸 873 64 25 Apr 2023 627th nathsou 🇫🇷 873 64 2 Sep 2023 627th zwxzwxzwx21 873 64 30 Jan 2024 627th steffan-polygolf 873 64 8 Mar 2024 627th Jacob385 873 64 4 Apr 2024 627th gallium-gonzollium 873 64 26 Aug 2024 636th ovs-code 🇩🇪 873 73 22 Jul 2023 637th Grrisly 873 74 25 Mar 2024 638th GrayJoKing 🇦🇺 873 84 19 Jun 2022 638th primo-ppcg 🇹🇭 873 84 29 Jun 2022 640th althryenix 873 134 25 Jul 2022 640th MrGagnonHPS 873 134 1 Nov 2023 640th noescareno 873 134 31 May 2025 640th Schmitt-Very-Cool 873 134 16 Jun 2025 644th primo-ppcg 🇹🇭 873 198 4 days ago 645th Shanethegamer 🇺🇸 872 152 9 Sep 2023 645th emgordon154 872 152 2 Oct 2024 645th DialFrost 🇸🇬 872 152 27 Oct 2024 648th HPWiz 🇳🇿 871 49 4 May 2022 648th JayXon 🇺🇸 871 49 5 May 2022 648th Steffan153 🇫🇮 871 49 10 Dec 2022 648th ovs-code 🇩🇪 871 49 24 Oct 2023 648th sean-niemann 🇺🇸 871 49 12 Jul 2024 653rd Shanethegamer 🇺🇸 871 66 4 May 2022 653rd scpchicken 🇵🇼 871 66 5 May 2022 653rd sisyphus-ppcg 🇦🇺 871 66 6 May 2022 653rd Natanaelel 🇸🇪 871 66 15 Jun 2022 653rd Z-snails 871 66 27 Feb 2023 653rd Jeremy-Stafford 871 66 27 Feb 2023 653rd alomiF 871 66 1 Sep 2023 653rd btnlq 871 66 17 Oct 2023 661st johnnythedoggie 871 72 13 May 2022 661st kaascevich 871 72 8 days ago 663rd DialFrost 🇸🇬 871 73 3 Jun 2025 664th c0d3-4-F00d 🇩🇪 871 89 5 May 2022 664th fkantelberg 871 89 15 Jul 2023 664th bac0id 871 89 26 Sep 2023 664th TRexOnGit 871 89 16 Feb 2024 664th arcpolaris 871 89 18 Nov 2024 669th dokutan 870 62 28 Apr 2025 670th inventshah 870 97 6 May 2022 670th roupiq 🇵🇱 870 97 22 Nov 2023 672nd janbehrens 🇩🇪 869 90 21 Apr 2023 672nd Yewzir 🇧🇪 869 90 22 Apr 2023 672nd DialFrost 🇸🇬 869 90 6 Nov 2023 672nd Ripick 869 90 27 Nov 2024 Prev 601–675 of 3,171 Next