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 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 Mandelbrot 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 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 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 Mandelbrot 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 297th GrayJoKing 🇦🇺 909 86 11 Aug 2023 297th sean-niemann 🇺🇸 909 86 11 Jul 2024 303rd Lydxn 🇨🇦 908 47 5 May 2022 304th andersk 🇺🇸 908 91 25 Oct 2022 304th Super-Pizza 🇨🇦 908 91 4 Dec 2022 304th klixel 🇨🇦 908 91 20 May 2023 304th lynn 908 91 6 Jul 2024 304th edsrzf 🇳🇿 908 91 29 Nov 2024 304th DialFrost 🇸🇬 908 91 7 Apr 2025 310th JayXon 🇺🇸 907 53 17 Aug 2024 311th Lydxn 🇨🇦 907 70 7 May 2022 311th JayXon 🇺🇸 907 70 7 May 2022 313th tailorspy 907 93 27 May 2024 313th sean-niemann 🇺🇸 907 93 39 hours ago 315th nai62 906 68 27 Aug 2022 316th pardouin 🇫🇷 906 72 20 days ago 317th Steffan153 🇫🇮 906 80 11 Dec 2023 318th cbrt-x 906 129 6 May 2022 318th FlorianCassayre 🇫🇷 906 129 20 Sep 2022 318th piano-miles 906 129 8 Feb 2023 318th Widgitty 906 129 29 May 2023 318th lukashert 906 129 7 Jun 2023 318th DialFrost 🇸🇬 906 129 29 Jan 2024 318th yoshykai 906 129 27 Mar 2025 325th Shanethegamer 🇺🇸 905 61 9 Oct 2023 326th GrayJoKing 🇦🇺 905 74 1 Nov 2023 327th ovs-code 🇩🇪 905 75 12 Sep 2024 327th Kacarott 🇦🇺 905 75 13 Sep 2024 329th lynn 905 78 5 May 2022 330th Lydxn 🇨🇦 904 81 1 Apr 2023 331st krcs 🇵🇱 903 86 10 May 2022 332nd primo-ppcg 🇹🇭 903 93 7 May 2022 332nd AlephSquirrel 903 93 21 Jan 2023 332nd kg583 🇺🇸 903 93 26 Dec 2024 332nd CLOStrophobic 🇮🇹 903 93 17 Jan 2025 336th KrausRaus 🇺🇸 902 59 4 May 2022 336th voytxt 🇨🇿 902 59 4 May 2022 336th KingSkyrock 🇺🇸 902 59 18 May 2022 336th ZakkkkAttackkkk 🇵🇭 902 59 14 Jul 2022 336th aksyristos 902 59 28 Oct 2022 336th nstearns96 🇬🇧 902 59 28 Nov 2022 336th janbehrens 🇩🇪 902 59 17 May 2023 336th Shanethegamer 🇺🇸 902 59 25 May 2023 336th Maznek 902 59 26 Jun 2023 336th SpiritAxolotl 🇺🇸 902 59 20 Mar 2024 336th Andrey-Plotnikov 902 59 19 May 2024 336th emgordon154 902 59 5 Aug 2024 336th duckyluuk 🇳🇱 902 59 3 Oct 2024 336th lifthrasiir 🇰🇷 902 59 23 Nov 2024 336th fuzzylojik-golf 🇺🇸 902 59 9 days ago 351st shellbertt 🇨🇦 901 62 4 May 2022 351st ZakkkkAttackkkk 🇵🇭 901 62 5 May 2022 351st annaproxy 901 62 8 Jun 2022 351st bob-th 901 62 9 Jul 2022 351st btjones0 901 62 15 Jul 2022 351st tri1212 🇻🇳 901 62 18 Jul 2022 351st fredrik-bakke 🇳🇴 901 62 5 Oct 2022 351st jakobkordez 🇸🇮 901 62 19 Oct 2022 351st Fishron 901 62 29 Nov 2022 351st KatieLG 🇬🇧 901 62 11 Dec 2022 351st ItsMeNoobieboy 901 62 20 Dec 2022 351st firegene 🇮🇪 901 62 3 Jan 2023 351st packkill 901 62 13 Feb 2023 351st 2011-Chan-Ethan 901 62 9 Jul 2023 351st elgan65536 901 62 18 Nov 2023 351st Dataen 901 62 16 Jan 2024 351st Yewzir 🇧🇪 901 62 5 Apr 2024 351st cuboids 901 62 11 Jul 2024 351st wuzekai518 901 62 26 Jul 2024 351st abhishekg999 901 62 17 Sep 2024 351st lifthrasiir 🇰🇷 901 62 16 Nov 2024 351st Artemis21 🇬🇧 901 62 17 Jan 2025 351st lolgeny 901 62 22 Feb 2025 351st keelimeguy 🇺🇸 901 62 25 days ago 375th ovs-code 🇩🇪 901 67 13 Dec 2022 Prev 301–375 of 3,063 Next
