ISBN in all languages in bytes. 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 Bytes Time Submitted 451st prplz 🇦🇺 831 93 390ms 18 Jan 2022 451st hemphen 831 93 376ms 28 Aug 2022 451st feberhard 831 93 355ms 6 Apr 2023 451st sean-niemann 🇺🇸 831 93 373ms 19 Apr 2025 455th emplv 🇱🇻 831 160 264ms 6 Jan 2023 455th KasperKivimaeki 🇫🇮 831 160 265ms 20 Oct 2025 457th Shanethegamer 🇺🇸 830 63 2ms 13 May 2023 458th pardouin 🇫🇷 830 71 981ms 2 Sep 2025 459th inventshah 830 92 505ms 21 Jan 2024 459th GolfingSuccess 🇬🇷 830 92 467ms 2 Mar 2024 461st emplv 🇱🇻 830 101 5ms 3 Jul 2023 461st stefangimmillaro 830 101 4ms 12 Oct 2023 461st edsrzf 🇳🇿 830 101 4ms 7 Oct 2025 464th Shanethegamer 🇺🇸 828 107 132ms 24 May 2025 465th Alex-x90 🇺🇸 828 133 57ms 8 Aug 2023 465th Yewzir 🇧🇪 828 133 55ms 29 Nov 2023 465th albanian-laundromat 828 133 3ms 22 Sep 2025 468th plcc0 827 125 7ms 23 Mar 2025 469th kg583 🇺🇸 827 127 8ms 17 Oct 2025 470th acotis 827 146 189ms 30 May 2025 471st Mandrzejy 🇵🇱 826 114 2ms 13 Sep 2024 471st AZTECCO 826 114 2ms 16 Sep 2025 473rd solisolu 825 86 9ms 9 days ago 474th quimey 825 107 9ms 7 Mar 2023 474th fourth-bit 825 107 10ms 10 Jul 2024 474th fuzzylojik-golf 🇺🇸 825 107 9ms 19 May 2025 477th GrayJoKing 🇦🇺 824 99 4ms 20 Sep 2023 478th m-tkach 🇺🇦 823 130 340ms 25 Sep 2025 479th error256 822 66 36ms 8 May 2025 480th annaproxy 822 94 380ms 19 Mar 2022 481st MeWhenI 🇻🇦 822 102 4ms 26 Nov 2023 482nd Frowny 821 53 40ms 11 Jan 2022 483rd Shanethegamer 🇺🇸 821 93 512ms 16 Jan 2024 483rd Yewzir 🇧🇪 821 93 518ms 22 Jun 2024 485th Mandrzejy 🇵🇱 821 134 59ms 13 Sep 2024 486th jared-hughes 821 200 10ms 18 Dec 2024 487th kg583 🇺🇸 820 126 7ms 26 Oct 2024 488th primo-ppcg 🇹🇭 820 164 27ms 25 Jun 2022 489th edsrzf 🇳🇿 819 93 3,055ms 1 Sep 2025 490th madex 🇩🇪 818 115 2ms 10 Apr 2022 490th FragmentedCurve 818 115 2ms 22 Nov 2023 490th mathisfun271 818 115 2ms 5 Feb 2024 493rd btnlq 818 125 20ms 12 Jan 2022 494th Steffan153 🇫🇮 817 57 4ms 6 Jan 2023 494th Natanaelel 🇸🇪 817 57 5ms 13 May 2023 496th prplz 🇦🇺 817 108 10ms 11 Jan 2022 496th galloj 🇨🇿 817 108 9ms 21 Sep 2022 496th TaserTheFox 🇺🇸 817 108 10ms 3 Apr 2023 496th jatloe 817 108 10ms 26 Aug 2024 496th cros107 🇦🇺 817 108 9ms 10 Aug 2025 501st DialFrost 🇸🇬 817 286 137ms 22 Apr 2025 502nd lynn 816 38 39ms 22 Jul 2022 502nd MeWhenI 🇻🇦 816 38 37ms 25 Aug 2022 502nd 5cw 🇺🇸 816 38 4ms 27 May 2024 505th itsh01 816 87 9ms 13 Mar 2022 505th AlephSquirrel 816 87 9ms 15 Feb 2023 505th danielphilpottwork 816 87 10ms 20 Dec 2023 505th Attero 🇸🇪 816 87 10ms 22 Dec 2023 509th DialFrost 🇸🇬 816 118 467ms 27 Nov 2024 510th sean-niemann 🇺🇸 816 163 267ms 30 Aug 2023 510th Yewzir 🇧🇪 816 163 282ms 7 Feb 2024 510th CaedenHarper 🇨🇦 816 163 272ms 15 days ago 513th Irratix 🇳🇱 815 135 369ms 14 May 2022 514th CaedenHarper 🇨🇦 814 78 719ms 30 Sep 2025 515th janbehrens 🇩🇪 814 103 4ms 2 Jul 2023 516th scpchicken 🇵🇼 812 55 126ms 13 Mar 2022 517th CaedenHarper 🇨🇦 812 94 488ms 15 Aug 2025 518th chunes3 🇺🇸 811 100 70ms 15 Sep 2023 518th Natanaelel 🇸🇪 811 100 67ms 8 Dec 2023 520th jotslo 🇬🇧 811 107 2ms 17 Jul 2022 521st MeWhenI 🇻🇦 811 116 2ms 5 Jul 2024 522nd frankgraziano 811 288 646ms 7 Aug 2025 523rd janlelis 810 67 38ms 11 Jan 2022 523rd stefangimmillaro 810 67 33ms 26 Dec 2024 525th ZakkkkAttackkkk 🇵🇭 810 109 11ms 23 Feb 2022 First Prev 451–525 of 1,531 Next Last