ISBN in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 881st Shanethegamer 🇺🇸 661 86 4ms 14 Aug 2024 882nd BloodStormKnight 661 107 10ms 15 Oct 2022 882nd LukeBridges 🇬🇧 661 107 15ms 8 Nov 2022 882nd hacker112 🇸🇪 661 107 21ms 24 Jun 2024 885th akshatj27 🇦🇶 660 68 35ms 10 Jan 2022 885th Haksell 🇦🇶 660 68 37ms 23 Feb 2023 887th Lv0Sys 🇵🇱 660 197 41ms 13 Dec 2025 888th jhpaques 🇫🇷 659 131 2ms 13 Dec 2022 889th madex 🇩🇪 659 183 154ms 7 Aug 2025 890th HumanoidCPU 658 107 2,771ms 3 Mar 2025 891st Bonjour27891 🇻🇳 657 105 19ms 15 Jul 2022 891st stefangimmillaro 657 105 10ms 26 Dec 2022 891st betaveros 657 105 9ms 1 Jan 2023 891st 5cw 🇺🇸 657 105 10ms 3 May 2023 891st minhtrancccp 657 105 10ms 26 Sep 2023 896th DialFrost 🇸🇬 657 116 10ms 12 Dec 2024 897th heanyang1 657 140 2ms 21 May 2025 898th The-Wolfson 656 157 108ms 16 Dec 2024 899th dokutan 655 133 6ms 10 Nov 2025 900th dokutan 654 132 1ms 13 Aug 2024 900th gonengazit 654 132 2ms 13 Apr 2025 902nd Yewzir 🇧🇪 654 139 375ms 24 Feb 2023 903rd jhpaques 🇫🇷 653 199 41ms 13 Dec 2022 904th HumanoidCPU 652 118 412ms 3 Mar 2025 905th Anonymousellama21 652 141 2ms 14 Apr 2022 906th Bulmenisaurus 651 106 10ms 2 Feb 2025 907th jared-hughes 650 40 42ms 29 Jul 2022 908th 4hg 🇺🇸 650 69 35ms 30 Nov 2022 908th Andriamanitra 🇫🇮 650 69 39ms 17 Apr 2023 910th cbrt-x 650 164 447ms 16 Jan 2022 911th HumanoidCPU 649 186 156ms 4 Mar 2025 912th MeWhenI 🇻🇦 648 47 2ms 11 Jan 2022 913th KevinMarquette 🇺🇸 648 85 292ms 17 Apr 2022 913th snoozingnewt 🇨🇦 648 85 288ms 20 Nov 2023 915th xyangst 648 109 10ms 7 Oct 2024 915th snoozingnewt 🇨🇦 648 109 11ms 9 Oct 2025 917th akamayu-ouo 🇹🇼 647 142 1ms 8 Jul 2024 917th FoxInTheClouds 647 142 2ms 20 Feb 2026 919th saito-ta 🇯🇵 645 102 22ms 1 Jul 2022 920th fourth-bit 645 107 10ms 10 Jul 2024 920th fuzzylojik-golf 🇺🇸 645 107 10ms 19 May 2025 920th solisolu 645 107 10ms 25 Nov 2025 923rd DialFrost 🇸🇬 644 117 109ms 18 Jun 2024 924th BREMAUCY 🇫🇷 644 202 41ms 14 Feb 2025 925th mckymsh 643 110 13ms 17 Feb 2024 925th madex 🇩🇪 643 110 10ms 6 Jun 2024 925th madeforlosers 643 110 10ms 13 Sep 2024 925th gigaprofisi 🇺🇸 643 110 9ms 4 Sep 2025 929th Re-Adventures 🇮🇳 643 143 2ms 7 Feb 2022 929th DrPiranoid 643 143 2ms 21 Oct 2022 931st SirBogman 🇺🇸 642 96 450ms 16 Jan 2024 931st Jacob385 642 96 428ms 13 Nov 2024 933rd jwhear 🇺🇸 642 188 149ms 9 May 2023 934th denkyuu1 641 70 36ms 18 Feb 2026 935th MeWhenI 🇻🇦 640 110 2,688ms 24 Oct 2024 936th emgordon154 640 126 5ms 20 Feb 2025 937th MeWhenI 🇻🇦 639 96 130ms 25 Oct 2024 938th prplz 🇦🇺 639 108 10ms 11 Jan 2022 938th galloj 🇨🇿 639 108 10ms 21 Sep 2022 938th TaserTheFox 🇺🇸 639 108 9ms 3 Apr 2023 938th cros107 🇦🇺 639 108 10ms 10 Aug 2025 942nd astdefu 639 173 499ms 9 Dec 2022 943rd jwhear 🇺🇸 639 230 1,707ms 30 Sep 2024 943rd msbranicky 639 230 1,673ms 17 Sep 2025 945th sjrct 638 144 2ms 4 Aug 2024 946th bwat2 638 167 433ms 13 Jan 2022 946th rifatx 638 167 444ms 23 Jul 2024 948th albanian-laundromat 638 367 11ms 5 Dec 2025 949th Natanaelel 🇸🇪 636 62 32ms 21 Jun 2022 950th m-tkach 🇺🇦 636 121 387ms 10 Jan 2022 950th arctouch-cristiannevianna 636 121 394ms 1 Mar 2024 950th acer-xq 636 121 394ms 5 Aug 2024 953rd edsrzf 🇳🇿 634 41 41ms 3 Nov 2025 954th dokutan 634 48 2ms 15 Nov 2024 955th biocommando 🇫🇮 634 145 2ms 26 Dec 2022 955th kallmi28 🇨🇿 634 145 2ms 13 Oct 2023 955th rifatx 634 145 1ms 14 Jul 2024 958th dokutan 634 205 39ms 31 Oct 2024 959th cefqrn 633 109 10ms 24 Dec 2022 959th AlexanderFair 633 109 10ms 11 Jul 2023 First Prev 881–960 of 1,608 Next Last