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 Hilbert Curve 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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Hilbert Curve 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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 146th pfysches-boop 873 63 13ms 6 Aug 2023 146th mhgockel 873 63 14ms 19 Aug 2023 146th NickTheEASDude 🇺🇸 873 63 10ms 18 Jan 2024 146th 823126 873 63 12ms 14 Nov 2024 146th Palladium02 873 63 12ms 12 May 2025 146th 4very 873 63 10ms 10 Jun 2025 146th gigaprofisi 🇺🇸 873 63 11ms 17 Jun 2025 146th Ultra814 873 63 10ms 21 Aug 2025 159th elisherer 🇮🇱 859 64 15ms 5 Jun 2022 159th Ashikpaul 🇮🇳 859 64 9ms 29 Jul 2022 159th LukeBridges 🇬🇧 859 64 11ms 26 Oct 2022 159th florton 859 64 14ms 18 Jan 2023 159th DayDun 🇸🇪 859 64 10ms 24 Jan 2023 159th lyphyser 859 64 10ms 3 Jun 2023 159th Davr1 🇨🇿 859 64 10ms 14 Oct 2023 159th stellartux 859 64 10ms 26 Dec 2023 159th goodwyna21 859 64 10ms 12 Nov 2024 159th xShadowBlade 859 64 10ms 26 Dec 2024 159th richard-oelze 🇩🇪 859 64 13ms 4 Aug 2025 170th wansacis 🇩🇪 846 65 11ms 13 May 2022 170th krcs 🇵🇱 846 65 10ms 24 Nov 2022 170th ejini6969 846 65 11ms 1 Apr 2023 170th InspectorBoat 846 65 10ms 25 Oct 2023 170th jake6192 846 65 9ms 20 May 2025 170th LordSir101 846 65 9ms 11 Aug 2025 176th ChiefChippy2 833 66 10ms 4 May 2022 176th Radwatch 833 66 10ms 22 Jun 2022 176th TheCod-r 🇦🇶 833 66 10ms 10 Oct 2022 176th MadScience137 833 66 14ms 17 Oct 2022 176th nayakrujul 833 66 11ms 12 Mar 2023 176th HenryTy83 833 66 10ms 3 May 2023 176th charliegaming 833 66 10ms 3 Oct 2023 176th mobibluman 833 66 11ms 16 Oct 2023 176th azka1368 833 66 9ms 23 Nov 2023 176th thej10n 833 66 9ms 13 Jun 2024 176th Florian-Mt 833 66 10ms 22 Jul 2024 176th deancureton 833 66 11ms 29 Dec 2024 176th Quadruplay 833 66 10ms 12 Jul 2025 189th inverseLorentz 🇦🇺 821 67 12ms 25 Jun 2022 189th maxpelic 🇺🇸 821 67 11ms 5 Jul 2022 189th vroup 🇩🇰 821 67 10ms 29 Sep 2022 189th Bodo171 821 67 13ms 1 Dec 2022 189th Inbarw100 821 67 10ms 10 Jun 2023 189th raszpi 🇭🇺 821 67 10ms 1 Sep 2023 189th dijs 821 67 9ms 8 Mar 2024 189th yb1yb1 821 67 11ms 6 Oct 2024 189th smclaughlin-cf 821 67 10ms 25 Feb 2025 189th 52525rr 821 67 10ms 24 days ago 199th Smetalo 809 68 10ms 25 Aug 2022 199th TheRealOhead 🇺🇸 809 68 10ms 23 Nov 2022 199th b10011 🇫🇮 809 68 9ms 27 Dec 2022 199th RasmusBV 809 68 13ms 19 Feb 2023 199th joakim-ronning 809 68 10ms 24 May 2023 199th TRexOnGit 809 68 10ms 31 Jan 2024 205th adoxography 797 69 13ms 13 Jul 2022 205th eshilo-draper 797 69 14ms 5 Oct 2022 205th 2pichar 797 69 10ms 11 Nov 2022 205th jorbDehmel 🇺🇸 797 69 10ms 17 Jun 2023 209th Jaro32768 🇸🇰 786 70 11ms 8 Feb 2024 209th Alex-Huggett 🇬🇧 786 70 10ms 15 Apr 2024 209th Moreallure 786 70 11ms 5 May 2024 209th AnnoyedArt1256 786 70 11ms 3 Jul 2025 213th destofr 775 71 10ms 25 Aug 2022 213th pyuraii 775 71 10ms 27 Sep 2022 213th kydogia 775 71 10ms 18 Oct 2022 213th jquade7 775 71 10ms 27 May 2023 213th SniperSmiley 🇺🇸 775 71 10ms 7 Apr 2024 213th dbkirk4211 775 71 9ms 3 May 2024 219th coolCucumber-cat 764 72 10ms 20 Mar 2023 219th mrmena 🇦🇺 764 72 11ms 19 Mar 2024 219th sulphemi 764 72 10ms 3 Apr 2025 222nd gurglemurgle5 753 73 10ms 12 May 2022 222nd adamnielson42 🇺🇸 753 73 12ms 24 Apr 2023 222nd fourth-bit 753 73 12ms 23 Jun 2023 222nd efgen 753 73 12ms 28 Jun 2023 First Prev 151–225 of 268 Next Last