Collatz in JavaScript 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 143rd goodwyna21 859 64 12 Nov 2024 143rd xShadowBlade 859 64 26 Dec 2024 153rd wansacis 🇩🇪 846 65 13 May 2022 153rd krcs 🇵🇱 846 65 24 Nov 2022 153rd ejini6969 846 65 1 Apr 2023 153rd InspectorBoat 846 65 25 Oct 2023 153rd jake6192 846 65 27 days ago 158th ChiefChippy2 833 66 4 May 2022 158th Radwatch 833 66 22 Jun 2022 158th TheCod-r 🇦🇶 833 66 10 Oct 2022 158th MadScience137 833 66 17 Oct 2022 158th nayakrujul 833 66 12 Mar 2023 158th HenryTy83 833 66 3 May 2023 158th charliegaming 833 66 3 Oct 2023 158th mobibluman 833 66 16 Oct 2023 158th azka1368 833 66 23 Nov 2023 158th thej10n 833 66 13 Jun 2024 158th Florian-Mt 833 66 22 Jul 2024 158th deancureton 833 66 29 Dec 2024 170th inverseLorentz 🇦🇺 821 67 25 Jun 2022 170th maxpelic 🇺🇸 821 67 5 Jul 2022 170th vroup 🇩🇰 821 67 29 Sep 2022 170th Bodo171 821 67 1 Dec 2022 170th Inbarw100 821 67 10 Jun 2023 170th raszpi 🇭🇺 821 67 1 Sep 2023 170th dijs 821 67 8 Mar 2024 170th yb1yb1 821 67 6 Oct 2024 170th smclaughlin-cf 821 67 25 Feb 2025 179th Smetalo 809 68 25 Aug 2022 179th TheRealOhead 🇺🇸 809 68 23 Nov 2022 179th b10011 🇫🇮 809 68 27 Dec 2022 179th RasmusBV 809 68 19 Feb 2023 179th joakim-ronning 809 68 24 May 2023 179th TRexOnGit 809 68 31 Jan 2024 185th adoxography 797 69 13 Jul 2022 185th eshilo-draper 797 69 5 Oct 2022 185th 2pichar 797 69 11 Nov 2022 185th jorbDehmel 🇺🇸 797 69 17 Jun 2023 189th Jaro32768 🇸🇰 786 70 8 Feb 2024 189th Alex-Huggett 🇬🇧 786 70 15 Apr 2024 189th Moreallure 786 70 5 May 2024 192nd destofr 775 71 25 Aug 2022 192nd pyuraii 775 71 27 Sep 2022 192nd kydogia 775 71 18 Oct 2022 192nd jquade7 775 71 27 May 2023 192nd SniperSmiley 🇺🇸 775 71 7 Apr 2024 192nd dbkirk4211 775 71 3 May 2024 198th coolCucumber-cat 764 72 20 Mar 2023 198th mrmena 🇦🇺 764 72 19 Mar 2024 198th sulphemi 764 72 3 Apr 2025 201st gurglemurgle5 753 73 12 May 2022 201st adamnielson42 🇺🇸 753 73 24 Apr 2023 201st fourth-bit 753 73 23 Jun 2023 201st efgen 753 73 28 Jun 2023 201st AlbatrossBay 753 73 8 Oct 2024 201st ComputerKWasTaken 🇺🇸 753 73 20 Jan 2025 207th JesseNoEyes 🇺🇸 743 74 18 Sep 2024 208th draxler-h 724 76 14 Jan 2023 208th DragonaireM 724 76 6 Feb 2023 208th dteague3989 724 76 12 Aug 2023 211th astdefu 714 77 10 Dec 2022 211th Maximizer02 714 77 2 Oct 2023 211th eiburns 714 77 23 Oct 2023 211th TotoAJ 714 77 15 Dec 2023 215th LordSir101 705 78 19 Jul 2022 216th truisseaux 696 79 4 Sep 2024 216th Voltrifrodec 🇸🇰 696 79 19 Apr 2025 218th lucipas 688 80 8 May 2024 218th GeneralFabian 688 80 4 Dec 2024 218th mossiegoat 688 80 9 days ago 221st gussy420 679 81 30 Oct 2023 221st MWI-polygolf 679 81 6 Dec 2023 221st steffan-polygolf 679 81 14 Feb 2024 221st hippopotam00sehead 🇨🇦 679 81 11 Sep 2024 225th TheLazySquid 671 82 20 Dec 2022 Prev 151–225 of 246 Next