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 Mandelbrot 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 Topological Sort 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 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Mandelbrot 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 Topological Sort 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 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 149th LukeBridges 🇬🇧 859 64 26 Oct 2022 149th florton 859 64 18 Jan 2023 149th DayDun 🇸🇪 859 64 24 Jan 2023 149th lyphyser 859 64 3 Jun 2023 149th Davr1 🇨🇿 859 64 14 Oct 2023 149th stellartux 859 64 26 Dec 2023 149th goodwyna21 859 64 12 Nov 2024 149th xShadowBlade 859 64 26 Dec 2024 149th richard-oelze 🇩🇪 859 64 22 days ago 160th wansacis 🇩🇪 846 65 13 May 2022 160th krcs 🇵🇱 846 65 24 Nov 2022 160th ejini6969 846 65 1 Apr 2023 160th InspectorBoat 846 65 25 Oct 2023 160th jake6192 846 65 20 May 2025 160th LordSir101 846 65 15 days ago 166th ChiefChippy2 833 66 4 May 2022 166th Radwatch 833 66 22 Jun 2022 166th TheCod-r 🇦🇶 833 66 10 Oct 2022 166th MadScience137 833 66 17 Oct 2022 166th nayakrujul 833 66 12 Mar 2023 166th HenryTy83 833 66 3 May 2023 166th charliegaming 833 66 3 Oct 2023 166th mobibluman 833 66 16 Oct 2023 166th azka1368 833 66 23 Nov 2023 166th thej10n 833 66 13 Jun 2024 166th Florian-Mt 833 66 22 Jul 2024 166th deancureton 833 66 29 Dec 2024 166th Quadruplay 833 66 12 Jul 2025 179th inverseLorentz 🇦🇺 821 67 25 Jun 2022 179th maxpelic 🇺🇸 821 67 5 Jul 2022 179th vroup 🇩🇰 821 67 29 Sep 2022 179th Bodo171 821 67 1 Dec 2022 179th Inbarw100 821 67 10 Jun 2023 179th raszpi 🇭🇺 821 67 1 Sep 2023 179th dijs 821 67 8 Mar 2024 179th yb1yb1 821 67 6 Oct 2024 179th smclaughlin-cf 821 67 25 Feb 2025 188th Smetalo 809 68 25 Aug 2022 188th TheRealOhead 🇺🇸 809 68 23 Nov 2022 188th b10011 🇫🇮 809 68 27 Dec 2022 188th RasmusBV 809 68 19 Feb 2023 188th joakim-ronning 809 68 24 May 2023 188th TRexOnGit 809 68 31 Jan 2024 194th adoxography 797 69 13 Jul 2022 194th eshilo-draper 797 69 5 Oct 2022 194th 2pichar 797 69 11 Nov 2022 194th jorbDehmel 🇺🇸 797 69 17 Jun 2023 198th Jaro32768 🇸🇰 786 70 8 Feb 2024 198th Alex-Huggett 🇬🇧 786 70 15 Apr 2024 198th Moreallure 786 70 5 May 2024 198th AnnoyedArt1256 786 70 3 Jul 2025 202nd destofr 775 71 25 Aug 2022 202nd pyuraii 775 71 27 Sep 2022 202nd kydogia 775 71 18 Oct 2022 202nd jquade7 775 71 27 May 2023 202nd SniperSmiley 🇺🇸 775 71 7 Apr 2024 202nd dbkirk4211 775 71 3 May 2024 208th coolCucumber-cat 764 72 20 Mar 2023 208th mrmena 🇦🇺 764 72 19 Mar 2024 208th sulphemi 764 72 3 Apr 2025 211th gurglemurgle5 753 73 12 May 2022 211th adamnielson42 🇺🇸 753 73 24 Apr 2023 211th fourth-bit 753 73 23 Jun 2023 211th efgen 753 73 28 Jun 2023 211th AlbatrossBay 753 73 8 Oct 2024 211th ComputerKWasTaken 🇺🇸 753 73 20 Jan 2025 217th JesseNoEyes 🇺🇸 743 74 18 Sep 2024 218th draxler-h 724 76 14 Jan 2023 218th DragonaireM 724 76 6 Feb 2023 218th dteague3989 724 76 12 Aug 2023 221st astdefu 714 77 10 Dec 2022 221st Maximizer02 714 77 2 Oct 2023 221st eiburns 714 77 23 Oct 2023 221st TotoAJ 714 77 15 Dec 2023 225th truisseaux 696 79 4 Sep 2024 Prev 151–225 of 254 Next