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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula 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 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 Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 597th Yewzir 🇧🇪 880 96 11 Nov 2023 597th MateuszPietrzak 🇵🇱 880 96 18 Nov 2023 597th kkoenig 880 96 21 Dec 2023 597th BlankSpruce 880 96 20 Aug 2024 597th fuzzylojik-golf 🇺🇸 880 96 14 Jun 2025 606th ravnskjaer 🇩🇰 880 133 11 Sep 2024 607th ovs-code 🇩🇪 880 151 9 Sep 2023 608th sisyphus-ppcg 🇦🇺 879 40 31 Jan 2023 608th sean-niemann 🇺🇸 879 40 8 Mar 2025 610th ovs-code 🇩🇪 879 89 24 Jul 2024 610th jipsong 🇩🇪 879 89 7 Apr 2025 612th ovs-code 🇩🇪 878 73 22 Jul 2023 613th steffan-polygolf 877 74 14 Feb 2024 614th mousetail 🇳🇱 876 40 14 days ago 615th GrayJoKing 🇦🇺 876 72 31 May 2022 615th Shanethegamer 🇺🇸 876 72 1 Jun 2022 615th Steffan153 🇫🇮 876 72 10 Dec 2022 618th primo-ppcg 🇹🇭 876 193 14 Aug 2025 619th GolfingSuccess 🇬🇷 875 57 14 days ago 619th CaedenHarper 🇨🇦 875 57 10 days ago 621st Shanethegamer 🇺🇸 875 81 19 Dec 2023 621st emgordon154 875 81 29 Jul 2025 623rd Shanethegamer 🇺🇸 875 142 27 Mar 2025 623rd DialFrost 🇸🇬 875 142 28 Mar 2025 623rd emgordon154 875 142 10 Apr 2025 626th Shanethegamer 🇺🇸 874 51 15 May 2023 627th Grrisly 874 74 25 Mar 2024 628th GrayJoKing 🇦🇺 874 84 19 Jun 2022 628th primo-ppcg 🇹🇭 874 84 29 Jun 2022 630th Shanethegamer 🇺🇸 874 152 9 Sep 2023 630th emgordon154 874 152 2 Oct 2024 630th DialFrost 🇸🇬 874 152 27 Oct 2024 633rd rucin93 🇵🇱 873 57 4 Aug 2024 633rd dokutan 873 57 9 Aug 2024 635th c0d3-4-F00d 🇩🇪 873 61 6 May 2022 635th jackkav 873 61 26 Jun 2022 635th TechNolaByte 873 61 6 Jul 2022 635th Heathcorp 🇦🇺 873 61 17 Jul 2022 635th C0de5mith 🇺🇸 873 61 3 Aug 2022 635th sebipopa 🇷🇴 873 61 18 Aug 2022 635th moikaturns 🇬🇧 873 61 25 Sep 2022 635th FlorianCassayre 🇫🇷 873 61 27 Sep 2022 635th Mazn3k 873 61 1 Feb 2023 635th tvcv901 873 61 22 Mar 2023 635th unfinishedprogram 873 61 19 Jul 2023 635th snoozingnewt 🇺🇸 873 61 23 Sep 2023 635th funnyboy-roks 873 61 9 May 2024 635th bac0id 873 61 29 Jun 2024 635th madex 🇩🇪 873 61 9 Jul 2024 635th FortuiteMan 🇫🇷 873 61 10 Oct 2024 635th RobertHoeh 873 61 5 Apr 2025 635th LvLError 873 61 29 May 2025 635th Lv0Sys 🇵🇱 873 61 30 May 2025 635th miles-evan 873 61 5 Aug 2025 655th NerdyMcNerd42 873 64 26 Oct 2022 655th tpasfieldERAU 873 64 14 Nov 2022 655th CheeseCake628 🇳🇴 873 64 6 Jan 2023 655th adamnielson42 🇺🇸 873 64 25 Apr 2023 655th nathsou 🇫🇷 873 64 2 Sep 2023 655th zwxzwxzwx21 873 64 30 Jan 2024 655th steffan-polygolf 873 64 8 Mar 2024 655th Jacob385 873 64 4 Apr 2024 655th gallium-gonzollium 873 64 26 Aug 2024 664th johnnythedoggie 873 72 13 May 2022 664th kaascevich 873 72 8 Jul 2025 666th althryenix 873 134 25 Jul 2022 666th MrGagnonHPS 873 134 1 Nov 2023 666th noescareno 873 134 31 May 2025 666th Schmitt-Very-Cool 873 134 16 Jun 2025 666th kmathis22 873 134 12 days ago 671st Shanethegamer 🇺🇸 872 66 4 May 2022 671st scpchicken 🇵🇼 872 66 5 May 2022 671st sisyphus-ppcg 🇦🇺 872 66 6 May 2022 671st Natanaelel 🇸🇪 872 66 15 Jun 2022 671st Z-snails 872 66 27 Feb 2023 Prev 601–675 of 3,312 Next
