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 745th Ripick 857 52 24 days ago 752nd MeWhenI 🇻🇦 857 145 28 Mar 2025 753rd JRaspass 🇬🇧 856 41 4 May 2022 753rd SirBogman 🇺🇸 856 41 4 May 2022 753rd Natanaelel 🇸🇪 856 41 4 May 2022 756th GrayJoKing 🇦🇺 856 67 8 Feb 2025 757th jared-hughes 856 72 6 Jul 2022 757th Steffan153 🇫🇮 856 72 3 Jan 2023 757th MeWhenI 🇻🇦 856 72 7 May 2023 757th ListeriaM 856 72 22 Aug 2023 757th larcherMTT 856 72 5 Oct 2024 757th snyderek 🇺🇸 856 72 19 Feb 2025 763rd MeWhenI 🇻🇦 856 81 23 May 2023 764th ovs-code 🇩🇪 854 83 1 Jul 2024 765th KatieLG 🇬🇧 854 115 25 Sep 2022 765th emgordon154 854 115 17 Jan 2025 767th DialFrost 🇸🇬 853 50 24 Oct 2023 768th yeminghan2021 853 99 3 Feb 2025 769th eshilo-draper 853 137 4 Sep 2022 770th MeWhenI 🇻🇦 852 71 13 Dec 2022 771st ovs-code 🇩🇪 852 85 11 Dec 2023 772nd eshilo-draper 852 91 4 Sep 2022 772nd ericlangedijk 🇸🇮 852 91 23 May 2023 772nd KatieLG 🇬🇧 852 91 30 Apr 2024 772nd Mikey-Beep 🇬🇧 852 91 3 Sep 2024 776th Shanethegamer 🇺🇸 851 83 4 May 2022 777th 386asm 🇺🇸 851 86 9 Apr 2023 778th Frowny 850 38 5 May 2022 778th stackofbears 850 38 14 Mar 2025 780th o0lit3 🇺🇸 850 54 22 Jun 2023 780th Natanaelel 🇸🇪 850 54 10 Feb 2025 782nd typeswitch-dev 🇵🇹 850 75 22 Jul 2023 783rd frosster 850 76 12 May 2023 783rd kyleclaassen 850 76 20 May 2023 783rd RockOfStone 850 76 17 Mar 2024 783rd NickTheEASDude 🇺🇸 850 76 7 May 2024 783rd Antibrain0 850 76 8 Nov 2024 788th MeWhenI 🇻🇦 850 92 10 Oct 2022 788th Betuaredead 850 92 5 Jan 2023 788th emgordon154 850 92 27 May 2025 791st Yewzir 🇧🇪 849 65 9 Oct 2023 791st MeWhenI 🇻🇦 849 65 10 Oct 2023 793rd Shanethegamer 🇺🇸 849 99 27 Apr 2023 794th SirBogman 🇺🇸 848 55 5 May 2022 794th xiBread 🇺🇸 848 55 6 May 2022 794th 4hg 🇺🇸 848 55 24 Aug 2022 794th DialFrost 🇸🇬 848 55 1 Jan 2023 794th error256 848 55 4 May 2024 799th JayXon 🇺🇸 847 56 9 May 2022 800th Re-Adventures 🇮🇳 847 116 16 Jul 2023 800th Yewzir 🇧🇪 847 116 7 Feb 2024 802nd azka1368 847 138 23 Nov 2023 803rd MeWhenI 🇻🇦 846 26 25 Aug 2022 803rd AlephSquirrel 846 26 6 Jan 2023 803rd ovs-code 🇩🇪 846 26 5 May 2024 803rd saito-ta 🇯🇵 846 26 12 Dec 2024 807th the-zammers 846 68 2 Oct 2023 808th mtirado1 846 74 24 Dec 2022 808th Betuaredead 846 74 6 Jan 2023 808th KatieLG 🇬🇧 846 74 15 Jan 2023 808th bwat2 846 74 31 Mar 2023 808th stackotter 846 74 29 May 2023 808th ovs-code 🇩🇪 846 74 17 Apr 2024 808th madeforlosers 846 74 21 Nov 2024 815th randolchance 845 63 8 Jan 2023 815th CatsAreFluffy 845 63 18 Feb 2023 815th amiralitaheri 845 63 23 Feb 2023 815th RuyiLi 845 63 1 Apr 2023 815th TaserTheFox 🇺🇸 845 63 25 May 2023 815th pfysches-boop 845 63 6 Aug 2023 815th mhgockel 845 63 19 Aug 2023 815th NickTheEASDude 🇺🇸 845 63 18 Jan 2024 815th 823126 845 63 14 Nov 2024 815th Palladium02 845 63 12 May 2025 815th 4very 845 63 15 days ago Prev 751–825 of 3,132 Next
