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 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 451st Alex-x90 🇺🇸 827 133 8 Aug 2023 451st Yewzir 🇧🇪 827 133 29 Nov 2023 453rd bac0id 827 159 26 Sep 2023 454th primo-ppcg 🇹🇭 826 131 20 Jan 2023 455th quimey 825 107 7 Mar 2023 455th fourth-bit 825 107 10 Jul 2024 455th fuzzylojik-golf 🇺🇸 825 107 19 May 2025 458th Mandrzejy 🇵🇱 825 114 13 Sep 2024 459th Shanethegamer 🇺🇸 824 107 24 May 2025 460th error256 822 66 8 May 2025 461st annaproxy 822 94 19 Mar 2022 462nd MeWhenI 🇻🇦 822 102 26 Nov 2023 463rd Frowny 821 53 11 Jan 2022 464th jared-hughes 821 200 18 Dec 2024 465th Shanethegamer 🇺🇸 820 93 16 Jan 2024 465th Yewzir 🇧🇪 820 93 22 Jun 2024 467th GrayJoKing 🇦🇺 820 99 20 Sep 2023 468th Mandrzejy 🇵🇱 820 134 13 Sep 2024 469th primo-ppcg 🇹🇭 820 164 25 Jun 2022 470th DialFrost 🇸🇬 819 286 22 Apr 2025 471st madex 🇩🇪 818 115 10 Apr 2022 471st FragmentedCurve 818 115 22 Nov 2023 471st mathisfun271 818 115 5 Feb 2024 474th btnlq 818 125 12 Jan 2022 475th Steffan153 🇫🇮 817 57 6 Jan 2023 475th Natanaelel 🇸🇪 817 57 13 May 2023 477th prplz 🇦🇺 817 108 11 Jan 2022 477th galloj 🇨🇿 817 108 21 Sep 2022 477th TaserTheFox 🇺🇸 817 108 3 Apr 2023 477th jatloe 817 108 26 Aug 2024 481st lynn 816 38 22 Jul 2022 481st MeWhenI 🇻🇦 816 38 25 Aug 2022 481st 5cw 🇺🇸 816 38 27 May 2024 484th DialFrost 🇸🇬 816 118 27 Nov 2024 485th kg583 🇺🇸 816 157 13 Feb 2025 486th h3ra993huskp 🇯🇵 816 161 7 Jan 2024 487th itsh01 815 87 13 Mar 2022 487th AlephSquirrel 815 87 15 Feb 2023 487th danielphilpottwork 815 87 20 Dec 2023 487th Attero 🇸🇪 815 87 22 Dec 2023 491st sean-niemann 🇺🇸 815 163 30 Aug 2023 491st Yewzir 🇧🇪 815 163 7 Feb 2024 493rd janbehrens 🇩🇪 814 103 2 Jul 2023 494th DialFrost 🇸🇬 814 133 11 Dec 2024 495th Irratix 🇳🇱 814 135 14 May 2022 496th frankgraziano 814 288 3 hours ago 497th scpchicken 🇵🇼 812 55 13 Mar 2022 498th chunes3 🇺🇸 811 100 15 Sep 2023 498th Natanaelel 🇸🇪 811 100 8 Dec 2023 500th MeWhenI 🇻🇦 811 116 5 Jul 2024 501st janlelis 810 67 11 Jan 2022 501st stefangimmillaro 810 67 26 Dec 2024 503rd jotslo 🇬🇧 810 107 17 Jul 2022 504th ZakkkkAttackkkk 🇵🇭 809 109 23 Feb 2022 504th cefqrn 809 109 24 Dec 2022 504th AlexanderFair 809 109 11 Jul 2023 504th firegene 🇮🇪 809 109 18 Jan 2024 504th PixelSoftwareStudios 🇺🇸 809 109 6 Jul 2024 504th andrewjc2000 809 109 9 Mar 2025 510th GrayJoKing 🇦🇺 809 113 14 days ago 511th Shanethegamer 🇺🇸 808 136 20 Apr 2022 512th pardouin 🇫🇷 807 73 11 days ago 513th typeswitch-dev 🇵🇹 807 121 14 Aug 2023 514th dokutan 806 130 21 Jun 2024 515th ScottHamper 804 96 26 Feb 2022 515th stefangimmillaro 804 96 5 Jan 2023 515th bojernico 804 96 6 Apr 2023 518th MeWhenI 🇻🇦 804 101 23 May 2023 519th m-tkach 🇺🇦 804 117 11 Jan 2022 520th MeWhenI 🇻🇦 804 137 12 Sep 2022 521st scpchicken 🇵🇼 803 58 22 Feb 2023 522nd Yewzir 🇧🇪 803 185 21 May 2024 523rd mtirado1 802 108 6 May 2023 524th btjones0 802 110 25 Jan 2022 524th adamnielson42 🇺🇸 802 110 25 Apr 2023 Prev 451–525 of 1,452 Next