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 301st andersk 🇺🇸 908 91 25 Oct 2022 301st Super-Pizza 🇨🇦 908 91 4 Dec 2022 301st klixel 🇨🇦 908 91 20 May 2023 301st lynn 908 91 6 Jul 2024 301st edsrzf 🇳🇿 908 91 29 Nov 2024 301st acotis 908 91 23 Mar 2025 301st DialFrost 🇸🇬 908 91 7 Apr 2025 308th JayXon 🇺🇸 907 53 17 Aug 2024 309th Lydxn 🇨🇦 907 70 7 May 2022 309th JayXon 🇺🇸 907 70 7 May 2022 311th tailorspy 907 93 27 May 2024 312th nai62 906 68 27 Aug 2022 313th pardouin 🇫🇷 906 72 18 days ago 314th Steffan153 🇫🇮 906 80 11 Dec 2023 315th cbrt-x 906 129 6 May 2022 315th FlorianCassayre 🇫🇷 906 129 20 Sep 2022 315th piano-miles 906 129 8 Feb 2023 315th Widgitty 906 129 29 May 2023 315th lukashert 906 129 7 Jun 2023 315th DialFrost 🇸🇬 906 129 29 Jan 2024 315th yoshykai 906 129 27 Mar 2025 322nd Shanethegamer 🇺🇸 905 61 9 Oct 2023 323rd GrayJoKing 🇦🇺 905 74 1 Nov 2023 324th ovs-code 🇩🇪 905 75 12 Sep 2024 324th Kacarott 🇦🇺 905 75 13 Sep 2024 326th lynn 905 78 5 May 2022 327th Lydxn 🇨🇦 904 81 1 Apr 2023 328th krcs 🇵🇱 903 86 10 May 2022 329th primo-ppcg 🇹🇭 903 93 7 May 2022 329th AlephSquirrel 903 93 21 Jan 2023 329th kg583 🇺🇸 903 93 26 Dec 2024 329th CLOStrophobic 🇮🇹 903 93 17 Jan 2025 333rd KrausRaus 🇺🇸 902 59 4 May 2022 333rd voytxt 🇨🇿 902 59 4 May 2022 333rd KingSkyrock 🇺🇸 902 59 18 May 2022 333rd ZakkkkAttackkkk 🇵🇭 902 59 14 Jul 2022 333rd aksyristos 902 59 28 Oct 2022 333rd nstearns96 🇬🇧 902 59 28 Nov 2022 333rd janbehrens 🇩🇪 902 59 17 May 2023 333rd Shanethegamer 🇺🇸 902 59 25 May 2023 333rd Maznek 902 59 26 Jun 2023 333rd SpiritAxolotl 🇺🇸 902 59 20 Mar 2024 333rd Andrey-Plotnikov 902 59 19 May 2024 333rd emgordon154 902 59 5 Aug 2024 333rd duckyluuk 🇳🇱 902 59 3 Oct 2024 333rd lifthrasiir 🇰🇷 902 59 23 Nov 2024 333rd fuzzylojik-golf 🇺🇸 902 59 7 days ago 348th shellbertt 🇨🇦 901 62 4 May 2022 348th ZakkkkAttackkkk 🇵🇭 901 62 5 May 2022 348th annaproxy 901 62 8 Jun 2022 348th bob-th 901 62 9 Jul 2022 348th btjones0 901 62 15 Jul 2022 348th tri1212 🇻🇳 901 62 18 Jul 2022 348th fredrik-bakke 🇳🇴 901 62 5 Oct 2022 348th jakobkordez 🇸🇮 901 62 19 Oct 2022 348th Fishron 901 62 29 Nov 2022 348th KatieLG 🇬🇧 901 62 11 Dec 2022 348th ItsMeNoobieboy 901 62 20 Dec 2022 348th firegene 🇮🇪 901 62 3 Jan 2023 348th packkill 901 62 13 Feb 2023 348th 2011-Chan-Ethan 901 62 9 Jul 2023 348th elgan65536 901 62 18 Nov 2023 348th Dataen 901 62 16 Jan 2024 348th Yewzir 🇧🇪 901 62 5 Apr 2024 348th cuboids 901 62 11 Jul 2024 348th wuzekai518 901 62 26 Jul 2024 348th abhishekg999 901 62 17 Sep 2024 348th lifthrasiir 🇰🇷 901 62 16 Nov 2024 348th Artemis21 🇬🇧 901 62 17 Jan 2025 348th lolgeny 901 62 22 Feb 2025 348th keelimeguy 🇺🇸 901 62 23 days ago 372nd ovs-code 🇩🇪 901 67 13 Dec 2022 372nd Steffan153 🇫🇮 901 67 18 Dec 2022 372nd Lydxn 🇨🇦 901 67 4 Feb 2023 372nd DialFrost 🇸🇬 901 67 17 Mar 2025 Prev 301–375 of 3,062 Next
