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 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 Chars Time Submitted 561st AlephSquirrel 779 130 6ms 21 Oct 2024 562nd albanian-laundromat 🇺🇸 779 167 43ms 19 Mar 2026 563rd DialFrost 🇸🇬 779 241 1,231ms 18 Apr 2025 564th MeWhenI 🇻🇦 778 224 1,712ms 2 days ago 565th adamnielson42 🇺🇸 777 91 11ms 26 Apr 2023 565th luuumine 🇫🇷 777 91 11ms 12 Nov 2025 567th Skleni 777 99 469ms 6 Apr 2023 568th DialFrost 🇸🇬 776 91 2,544ms 25 Oct 2024 569th hellwue 775 89 12ms 8 Feb 2023 569th elgan65536 🇺🇸 775 89 18ms 29 Mar 2024 569th AdamMorris377 775 89 11ms 29 Jul 2024 569th RaBa21 🇭🇺 775 89 20ms 19 Jul 2025 573rd andersk 🇺🇸 775 156 250ms 30 Oct 2022 573rd emgordon154 775 156 257ms 14 Mar 2025 575th xsot 🇸🇬 774 58 38ms 6 Jul 2025 575th sean-niemann 🇺🇸 774 58 38ms 3 Aug 2025 577th clockworknazo 774 85 4ms 25 Mar 2023 578th LHLaurini 🇧🇷 773 119 1ms 17 Jul 2024 578th solisolu 773 119 1ms 25 Nov 2025 580th frankgraziano 773 130 7ms 22 Feb 2026 581st primo-ppcg 🇹🇭 773 131 7ms 20 Jan 2023 582nd kmathis22 773 138 486ms 30 Oct 2025 583rd nwellnhof 🇩🇪 772 54 5ms 22 May 2022 584th primo-ppcg 🇹🇭 772 118 373ms 9 Apr 2022 585th strout 772 145 148ms 15 Aug 2022 585th jusaka 772 145 144ms 5 days ago 587th call23re 771 112 2ms 12 Jan 2022 588th Steffan153 🇫🇮 771 132 14ms 5 Jul 2024 589th Shanethegamer 🇺🇸 771 157 151ms 8 Oct 2022 590th prestosilver 🇺🇸 771 226 1,650ms 5 days ago 591st scpchicken 🇵🇼 770 55 144ms 13 Mar 2022 592nd Yewzir 🇧🇪 770 115 195ms 26 Dec 2023 593rd MeWhenI 🇻🇦 769 130 41ms 30 Dec 2025 594th maxpelic 🇺🇸 768 92 12ms 5 Jul 2022 594th astdefu 768 92 10ms 10 Dec 2022 594th two-bad 🇬🇧 768 92 10ms 25 Feb 2024 594th dokutan 768 92 12ms 15 Jun 2025 598th Shanethegamer 🇺🇸 767 76 426ms 12 Oct 2022 599th sjrct 767 90 10ms 5 Aug 2024 599th webmiche 767 90 13ms 3 Nov 2025 601st edsrzf 🇳🇿 767 92 2,646ms 2 days ago 602nd stefangimmillaro 766 76 1,561ms 8 Jan 2023 602nd MeWhenI 🇻🇦 766 76 1,471ms 10 May 2023 602nd error256 766 76 1,439ms 14 Feb 2025 605th ovs-code 🇩🇪 765 34 40ms 14 May 2024 606th juliansiebert 🇩🇪 765 72 246ms 24 Jul 2022 607th albanian-laundromat 🇺🇸 765 76 935ms 7 Nov 2025 608th jerrandolph 763 174 327ms 20 Oct 2023 609th DialFrost 🇸🇬 762 133 7ms 11 Dec 2024 610th rak1507 🇬🇧 761 40 2ms 10 Jan 2022 610th Frowny 761 40 2ms 13 Jan 2022 610th razetime 761 40 2ms 22 Aug 2022 613th MeWhenI 🇻🇦 761 43 4ms 1 Mar 2025 614th MeWhenI 🇻🇦 761 59 38ms 24 Aug 2022 614th janlelis 761 59 37ms 21 Sep 2024 616th emgordon154 761 81 492ms 1 Aug 2024 617th GrayJoKing 🇦🇺 761 126 458ms 1 Mar 2022 618th kejcao 🇨🇦 761 147 152ms 3 Aug 2024 619th primo-ppcg 🇹🇭 760 67 15ms 24 Jan 2022 620th Andrey-Plotnikov 760 93 12ms 21 Jun 2025 620th Protothor 760 93 11ms 9 Jul 2025 622nd retrohun 760 121 1ms 30 Dec 2022 622nd abc7-12 760 121 1ms 26 Jun 2024 624th annaproxy 760 134 15ms 24 Dec 2022 625th dokutan 759 81 127ms 15 Jun 2025 626th xsot 🇸🇬 758 55 3ms 6 Jul 2025 627th P-Quentin 🇫🇷 758 91 12ms 5 Aug 2022 627th Rubiksmath 758 91 18ms 28 Jun 2024 627th wh3n3v3r 🇨🇿 758 91 11ms 11 Nov 2024 630th DialFrost 🇸🇬 758 114 2ms 1 Nov 2024 631st edsrzf 🇳🇿 758 132 43ms 31 Dec 2025 632nd MeWhenI 🇻🇦 758 146 62ms 13 Nov 2022 632nd janbehrens 🇩🇪 758 146 63ms 23 Jun 2023 634th MeWhenI 🇻🇦 757 128 8ms 21 Jul 2023 635th ovs-code 🇩🇪 756 87 4ms 8 Mar 2023 636th Shanethegamer 🇺🇸 755 73 292ms 14 Jun 2024 637th DialFrost 🇸🇬 755 142 2ms 14 Sep 2024 638th c0d3-4-F00d 🇩🇪 754 122 2ms 21 Feb 2022 639th Ripick 753 121 360ms 11 Jul 2024 640th DayDun 🇸🇪 752 76 7ms 8 hours ago First Prev 561–640 of 1,689 Next Last