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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic 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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st Shanethegamer 🇺🇸 852 120 14ms 14 Dec 2023 401st error256 852 120 6ms 10 Feb 2026 403rd the-zammers 851 132 140ms 1 Oct 2023 404th JayXon 🇺🇸 850 205 1,624ms 15 days ago 405th sisyphus-ppcg 🇦🇺 849 64 39ms 11 Jan 2022 405th GrayJoKing 🇦🇺 849 64 39ms 10 Feb 2022 407th VictorFordham 849 104 10ms 20 Feb 2023 407th Alex-x90 🇺🇸 849 104 10ms 3 Aug 2023 407th mathisfun271 849 104 11ms 5 Feb 2024 407th EnTerr 849 104 10ms 8 Sep 2024 407th KasperKivimaeki 🇫🇮 849 104 11ms 11 Jul 2025 407th luuumine 🇫🇷 849 104 12ms 31 Oct 2025 407th phSHARP 849 104 11ms 2 Apr 2026 414th vang1ong7ang 🇦🇶 849 143 164ms 2 days ago 415th edsrzf 🇳🇿 849 147 40ms 26 Mar 2026 416th xsot 🇸🇬 848 55 3ms 6 Jul 2025 417th ovs-code 🇩🇪 848 89 501ms 5 Jul 2024 418th prplz 🇦🇺 848 109 1ms 18 Jan 2022 418th xsot 🇸🇬 848 109 1ms 1 Feb 2024 420th edsrzf 🇳🇿 848 130 39ms 16 days ago 421st edsrzf 🇳🇿 847 84 2,408ms 8 days ago 422nd clockworknazo 846 62 1ms 17 Nov 2022 423rd didion0 🇺🇸 846 84 14ms 25 Jan 2022 423rd 13x1 🇩🇪 846 84 11ms 15 May 2023 423rd biocommando 🇫🇮 846 84 12ms 11 Aug 2023 423rd deancureton 846 84 11ms 29 Dec 2024 423rd CaedenHarper 🇨🇦 846 84 10ms 22 Aug 2025 428th GrayJoKing 🇦🇺 846 115 9ms 28 Jul 2023 429th ovs-code 🇩🇪 845 114 471ms 26 Nov 2024 430th kaascevich 845 123 123ms 21 Jul 2025 431st lynn 844 124 1,521ms 16 Jan 2022 432nd DialFrost 🇸🇬 843 66 310ms 10 Oct 2024 433rd HumanoidCPU 843 127 402ms 8 Nov 2025 434th acotis 843 144 171ms 10 Feb 2026 435th MeWhenI 🇻🇦 843 158 299ms 7 Jan 2025 436th Sakisan 🇧🇪 842 64 55ms 30 Jun 2022 437th sean-niemann 🇺🇸 842 85 145ms 19 days ago 438th Shanethegamer 🇺🇸 841 92 470ms 26 Mar 2024 439th TFeld00 🇩🇰 841 105 11ms 19 May 2022 439th stefangimmillaro 841 105 11ms 26 Dec 2022 439th betaveros 841 105 10ms 1 Jan 2023 439th 5cw 🇺🇸 841 105 11ms 3 May 2023 439th minhtrancccp 841 105 11ms 26 Sep 2023 439th lifthrasiir 🇰🇷 841 105 11ms 20 Nov 2024 439th qpwoeirut 841 105 12ms 28 Sep 2025 446th drabart 🇵🇱 841 132 64ms 16 Dec 2023 447th MeWhenI 🇻🇦 840 106 140ms 27 Mar 2026 448th Irratix 🇳🇱 840 110 2ms 14 May 2022 448th speles 🇺🇦 840 110 2ms 29 Oct 2023 450th 4hg 🇺🇸 839 52 32ms 26 Jul 2023 450th codereport 🇨🇦 839 52 32ms 2 days ago 452nd m-tkach 🇺🇦 839 90 530ms 21 Jan 2024 452nd sean-niemann 🇺🇸 839 90 443ms 28 Jan 2025 454th SirBogman 🇺🇸 838 37 2ms 27 May 2024 454th emgordon154 838 37 43ms 11 Sep 2024 454th Yewzir 🇧🇪 838 37 2ms 19 Dec 2024 457th MeWhenI 🇻🇦 838 69 5ms 13 Aug 2024 458th Shanethegamer 🇺🇸 838 159 332ms 20 Apr 2022 459th MeWhenI 🇻🇦 837 90 116ms 20 Oct 2022 460th MeWhenI 🇻🇦 836 65 35ms 7 Dec 2023 461st Natanaelel 🇸🇪 836 85 13ms 7 Feb 2023 461st HumanoidCPU 836 85 10ms 2 Mar 2025 463rd edsrzf 🇳🇿 836 97 62ms 7 Oct 2025 464th lynn 836 148 30ms 18 Jul 2023 465th emplv 🇱🇻 835 101 5ms 3 Jul 2023 465th stefangimmillaro 835 101 5ms 12 Oct 2023 465th edsrzf 🇳🇿 835 101 5ms 7 Oct 2025 468th jacobly0 🇺🇸 835 104 2ms 11 Sep 2023 469th Alex-x90 🇺🇸 835 133 62ms 8 Aug 2023 469th Yewzir 🇧🇪 835 133 57ms 29 Nov 2023 471st ovs-code 🇩🇪 835 224 1,203ms 18 Apr 2025 472nd clockworknazo 834 129 2ms 18 Sep 2022 473rd Bulmenisaurus 833 106 11ms 2 Feb 2025 474th Shanethegamer 🇺🇸 832 63 1ms 13 May 2023 475th rucin93 🇵🇱 832 86 135ms 14 Mar 2026 476th prplz 🇦🇺 832 93 465ms 18 Jan 2022 476th hemphen 832 93 427ms 28 Aug 2022 476th feberhard 832 93 493ms 6 Apr 2023 476th sean-niemann 🇺🇸 832 93 432ms 19 Apr 2025 480th Shanethegamer 🇺🇸 832 107 152ms 24 May 2025 481st ZakkkkAttackkkk 🇵🇭 832 111 1ms 9 Nov 2023 481st Szum123321 🇵🇱 832 111 2ms 9 Dec 2023 481st DialFrost 🇸🇬 832 111 1ms 20 Dec 2024 484th emplv 🇱🇻 832 160 328ms 6 Jan 2023 484th KasperKivimaeki 🇫🇮 832 160 345ms 20 Oct 2025 486th dcgjb 831 67 246ms 14 Feb 2024 487th pardouin 🇫🇷 831 71 1,977ms 2 Sep 2025 488th jared-hughes 831 200 8ms 18 Dec 2024 489th neel11235813 830 91 502ms 13 Mar 2024 489th kg583 🇺🇸 830 91 441ms 21 Mar 2024 489th bizy-coder 830 91 410ms 1 Apr 2024 489th MeWhenI 🇻🇦 830 91 489ms 24 May 2024 489th duckyluuk 🇳🇱 830 91 498ms 21 Jun 2024 489th AlephSquirrel 830 91 496ms 3 Jul 2024 489th CaedenHarper 🇨🇦 830 91 505ms 30 Nov 2025 496th Mandrzejy 🇵🇱 829 134 63ms 13 Sep 2024 497th GrayJoKing 🇦🇺 828 130 2ms 12 Sep 2022 498th MeWhenI 🇻🇦 827 102 5ms 26 Nov 2023 499th CLOStrophobic 🇮🇹 827 123 8ms 21 Jan 2025 499th kg583 🇺🇸 827 123 8ms 20 Feb 2026 First Prev 401–500 of 1,647 Next Last