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 751st JRaspass 🇬🇧 856 41 4 May 2022 751st SirBogman 🇺🇸 856 41 4 May 2022 751st Natanaelel 🇸🇪 856 41 4 May 2022 754th GrayJoKing 🇦🇺 856 67 8 Feb 2025 755th jared-hughes 856 72 6 Jul 2022 755th Steffan153 🇫🇮 856 72 3 Jan 2023 755th MeWhenI 🇻🇦 856 72 7 May 2023 755th ListeriaM 856 72 22 Aug 2023 755th larcherMTT 856 72 5 Oct 2024 755th snyderek 🇺🇸 856 72 19 Feb 2025 761st MeWhenI 🇻🇦 856 81 23 May 2023 762nd ovs-code 🇩🇪 854 83 1 Jul 2024 763rd KatieLG 🇬🇧 854 115 25 Sep 2022 763rd emgordon154 854 115 17 Jan 2025 765th DialFrost 🇸🇬 853 50 24 Oct 2023 766th yeminghan2021 853 99 3 Feb 2025 767th eshilo-draper 853 137 4 Sep 2022 768th MeWhenI 🇻🇦 852 71 13 Dec 2022 769th ovs-code 🇩🇪 852 85 11 Dec 2023 770th eshilo-draper 852 91 4 Sep 2022 770th ericlangedijk 🇸🇮 852 91 23 May 2023 770th KatieLG 🇬🇧 852 91 30 Apr 2024 770th Mikey-Beep 🇬🇧 852 91 3 Sep 2024 774th Shanethegamer 🇺🇸 851 83 4 May 2022 775th 386asm 🇺🇸 851 86 9 Apr 2023 776th Frowny 850 38 5 May 2022 776th stackofbears 850 38 14 Mar 2025 778th o0lit3 🇺🇸 850 54 22 Jun 2023 778th Natanaelel 🇸🇪 850 54 10 Feb 2025 780th typeswitch-dev 🇵🇹 850 75 22 Jul 2023 781st frosster 850 76 12 May 2023 781st kyleclaassen 850 76 20 May 2023 781st RockOfStone 850 76 17 Mar 2024 781st NickTheEASDude 🇺🇸 850 76 7 May 2024 781st Antibrain0 850 76 8 Nov 2024 786th MeWhenI 🇻🇦 850 92 10 Oct 2022 786th Betuaredead 850 92 5 Jan 2023 786th emgordon154 850 92 27 May 2025 789th Yewzir 🇧🇪 849 65 9 Oct 2023 789th MeWhenI 🇻🇦 849 65 10 Oct 2023 791st Shanethegamer 🇺🇸 849 99 27 Apr 2023 792nd SirBogman 🇺🇸 848 55 5 May 2022 792nd xiBread 🇺🇸 848 55 6 May 2022 792nd 4hg 🇺🇸 848 55 24 Aug 2022 792nd DialFrost 🇸🇬 848 55 1 Jan 2023 792nd error256 848 55 4 May 2024 797th JayXon 🇺🇸 847 56 9 May 2022 798th Re-Adventures 🇮🇳 847 116 16 Jul 2023 798th Yewzir 🇧🇪 847 116 7 Feb 2024 800th azka1368 847 138 23 Nov 2023 801st MeWhenI 🇻🇦 846 26 25 Aug 2022 801st AlephSquirrel 846 26 6 Jan 2023 801st ovs-code 🇩🇪 846 26 5 May 2024 801st saito-ta 🇯🇵 846 26 12 Dec 2024 805th the-zammers 846 68 2 Oct 2023 806th mtirado1 846 74 24 Dec 2022 806th Betuaredead 846 74 6 Jan 2023 806th KatieLG 🇬🇧 846 74 15 Jan 2023 806th bwat2 846 74 31 Mar 2023 806th stackotter 846 74 29 May 2023 806th ovs-code 🇩🇪 846 74 17 Apr 2024 806th madeforlosers 846 74 21 Nov 2024 813th randolchance 845 63 8 Jan 2023 813th CatsAreFluffy 845 63 18 Feb 2023 813th amiralitaheri 845 63 23 Feb 2023 813th RuyiLi 845 63 1 Apr 2023 813th TaserTheFox 🇺🇸 845 63 25 May 2023 813th pfysches-boop 845 63 6 Aug 2023 813th mhgockel 845 63 19 Aug 2023 813th NickTheEASDude 🇺🇸 845 63 18 Jan 2024 813th 823126 845 63 14 Nov 2024 813th Palladium02 845 63 12 May 2025 813th 4very 845 63 14 days ago 813th gigaprofisi 🇺🇸 845 63 7 days ago 825th NewDefectus 🇮🇱 844 73 6 May 2022 Prev 751–825 of 3,132 Next
