ISBN in all languages in bytes. 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 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 Bytes Time Submitted 401st VictorFordham 849 104 10ms 20 Feb 2023 401st Alex-x90 🇺🇸 849 104 10ms 3 Aug 2023 401st mathisfun271 849 104 11ms 5 Feb 2024 401st EnTerr 849 104 10ms 8 Sep 2024 401st KasperKivimaeki 🇫🇮 849 104 11ms 11 Jul 2025 401st luuumine 🇫🇷 849 104 12ms 31 Oct 2025 401st phSHARP 849 104 11ms 7 days ago 408th edsrzf 🇳🇿 849 147 40ms 15 days ago 409th xsot 🇸🇬 848 55 3ms 6 Jul 2025 410th ovs-code 🇩🇪 848 89 501ms 5 Jul 2024 411th prplz 🇦🇺 847 109 1ms 18 Jan 2022 411th xsot 🇸🇬 847 109 1ms 1 Feb 2024 413th didion0 🇺🇸 846 84 11ms 25 Jan 2022 413th 13x1 🇩🇪 846 84 11ms 15 May 2023 413th biocommando 🇫🇮 846 84 10ms 11 Aug 2023 413th deancureton 846 84 12ms 29 Dec 2024 413th CaedenHarper 🇨🇦 846 84 11ms 22 Aug 2025 418th MeWhenI 🇻🇦 846 90 111ms 20 Oct 2022 419th GrayJoKing 🇦🇺 846 115 9ms 28 Jul 2023 420th ovs-code 🇩🇪 845 114 471ms 26 Nov 2024 421st kaascevich 845 123 123ms 21 Jul 2025 422nd lynn 844 124 1,396ms 16 Jan 2022 423rd jacobly0 🇺🇸 844 176 1,723ms 22 Apr 2024 424th clockworknazo 843 62 1ms 17 Nov 2022 425th DialFrost 🇸🇬 843 66 308ms 10 Oct 2024 426th HumanoidCPU 843 127 491ms 8 Nov 2025 427th acotis 843 144 169ms 10 Feb 2026 427th vang1ong7ang 843 144 152ms 2 days ago 429th MeWhenI 🇻🇦 843 158 315ms 7 Jan 2025 430th Sakisan 🇧🇪 842 64 1,061ms 30 Jun 2022 431st edsrzf 🇳🇿 842 148 34ms 19 days ago 432nd ovs-code 🇩🇪 842 224 1,460ms 18 Apr 2025 433rd Shanethegamer 🇺🇸 841 92 440ms 26 Mar 2024 434th TFeld00 🇩🇰 841 105 11ms 19 May 2022 434th stefangimmillaro 841 105 11ms 26 Dec 2022 434th betaveros 841 105 10ms 1 Jan 2023 434th 5cw 🇺🇸 841 105 11ms 3 May 2023 434th minhtrancccp 841 105 11ms 26 Sep 2023 434th lifthrasiir 🇰🇷 841 105 11ms 20 Nov 2024 434th qpwoeirut 841 105 12ms 28 Sep 2025 441st drabart 🇵🇱 841 132 83ms 16 Dec 2023 442nd Irratix 🇳🇱 840 110 2ms 14 May 2022 442nd speles 🇺🇦 840 110 2ms 29 Oct 2023 444th m-tkach 🇺🇦 839 90 530ms 21 Jan 2024 444th sean-niemann 🇺🇸 839 90 443ms 28 Jan 2025 446th SirBogman 🇺🇸 838 37 2ms 27 May 2024 446th emgordon154 838 37 42ms 11 Sep 2024 446th Yewzir 🇧🇪 838 37 2ms 19 Dec 2024 449th 4hg 🇺🇸 838 52 32ms 26 Jul 2023 450th Shanethegamer 🇺🇸 838 159 332ms 20 Apr 2022 451st MeWhenI 🇻🇦 836 65 35ms 7 Dec 2023 452nd MeWhenI 🇻🇦 836 69 5ms 13 Aug 2024 453rd Natanaelel 🇸🇪 836 85 22ms 7 Feb 2023 453rd HumanoidCPU 836 85 38ms 2 Mar 2025 455th edsrzf 🇳🇿 836 97 62ms 7 Oct 2025 456th MeWhenI 🇻🇦 836 106 140ms 14 days ago 457th lynn 836 148 30ms 18 Jul 2023 458th jacobly0 🇺🇸 835 104 2ms 11 Sep 2023 459th Alex-x90 🇺🇸 835 133 57ms 8 Aug 2023 459th Yewzir 🇧🇪 835 133 60ms 29 Nov 2023 461st clockworknazo 834 129 2ms 18 Sep 2022 462nd Bulmenisaurus 833 106 11ms 2 Feb 2025 463rd prplz 🇦🇺 832 93 425ms 18 Jan 2022 463rd hemphen 832 93 369ms 28 Aug 2022 463rd feberhard 832 93 469ms 6 Apr 2023 463rd sean-niemann 🇺🇸 832 93 424ms 19 Apr 2025 467th ZakkkkAttackkkk 🇵🇭 832 111 1ms 9 Nov 2023 467th Szum123321 🇵🇱 832 111 2ms 9 Dec 2023 467th DialFrost 🇸🇬 832 111 1ms 20 Dec 2024 470th emplv 🇱🇻 832 160 328ms 6 Jan 2023 470th KasperKivimaeki 🇫🇮 832 160 345ms 20 Oct 2025 472nd dcgjb 831 67 247ms 14 Feb 2024 473rd emplv 🇱🇻 831 101 5ms 3 Jul 2023 473rd stefangimmillaro 831 101 4ms 12 Oct 2023 473rd edsrzf 🇳🇿 831 101 5ms 7 Oct 2025 476th jared-hughes 831 200 8ms 18 Dec 2024 477th Shanethegamer 🇺🇸 830 63 1ms 13 May 2023 478th pardouin 🇫🇷 830 71 1,321ms 2 Sep 2025 479th neel11235813 830 91 502ms 13 Mar 2024 479th kg583 🇺🇸 830 91 441ms 21 Mar 2024 First Prev 401–480 of 1,632 Next Last