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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 401st clockworknazo 828 129 2ms 18 Sep 2022 402nd emplv 🇱🇻 828 160 306ms 6 Jan 2023 402nd KasperKivimaeki 🇫🇮 828 160 293ms 20 Oct 2025 404th Sakisan 🇧🇪 827 64 1,061ms 30 Jun 2022 405th prplz 🇦🇺 827 93 449ms 18 Jan 2022 405th hemphen 827 93 434ms 28 Aug 2022 405th feberhard 827 93 475ms 6 Apr 2023 405th sean-niemann 🇺🇸 827 93 424ms 19 Apr 2025 409th lynn 826 148 30ms 18 Jul 2023 410th jared-hughes 826 200 8ms 18 Dec 2024 411th emplv 🇱🇻 825 101 5ms 3 Jul 2023 411th stefangimmillaro 825 101 4ms 12 Oct 2023 411th edsrzf 🇳🇿 825 101 5ms 7 Oct 2025 414th Steffan153 🇫🇮 825 152 75ms 34 mins ago 415th MeWhenI 🇻🇦 824 69 5ms 13 Aug 2024 416th Mandrzejy 🇵🇱 824 134 64ms 13 Sep 2024 417th SirBogman 🇺🇸 823 37 2ms 27 May 2024 417th Yewzir 🇧🇪 823 37 2ms 19 Dec 2024 419th CLOStrophobic 🇮🇹 823 123 8ms 21 Jan 2025 419th kg583 🇺🇸 823 123 8ms 20 Feb 2026 421st dcgjb 822 67 292ms 14 Feb 2024 422nd GrayJoKing 🇦🇺 822 130 2ms 12 Sep 2022 423rd Bubbler-4 821 48 33ms 15 Nov 2022 423rd stackofbears 821 48 32ms 27 Dec 2023 423rd 2bular 821 48 33ms 13 days ago 426th duckyluuk 🇳🇱 821 75 416ms 29 Aug 2024 427th jeff-at-tamer-dot-codes 🇺🇸 821 84 10ms 19 May 2023 427th Artemis21 🇬🇧 821 84 11ms 10 Jan 2025 427th Flekay 🇩🇪 821 84 10ms 15 Feb 2026 430th Shanethegamer 🇺🇸 821 112 1ms 20 Apr 2022 431st Shanethegamer 🇺🇸 820 107 152ms 24 May 2025 432nd m-tkach 🇺🇦 820 130 535ms 25 Sep 2025 433rd pardouin 🇫🇷 819 71 1,321ms 2 Sep 2025 434th DialFrost 🇸🇬 819 286 140ms 22 Apr 2025 434th frankgraziano 819 286 651ms 31 Jan 2026 436th Shanethegamer 🇺🇸 818 63 1ms 13 May 2023 437th annaproxy 818 94 438ms 19 Mar 2022 438th Irratix 🇳🇱 818 135 460ms 14 May 2022 439th primo-ppcg 🇹🇭 818 164 25ms 25 Jun 2022 440th o0lit3 🇺🇸 817 51 4ms 11 Jan 2022 441st MeWhenI 🇻🇦 817 102 5ms 26 Nov 2023 442nd JayXon 🇺🇸 816 55 36ms 25 Feb 2022 443rd Shanethegamer 🇺🇸 816 124 6ms 27 Aug 2024 444th GrayJoKing 🇦🇺 815 99 4ms 20 Sep 2023 445th Yewzir 🇧🇪 814 113 1ms 29 Nov 2023 445th drabart 🇵🇱 814 113 2ms 18 Dec 2023 447th sean-niemann 🇺🇸 813 163 298ms 30 Aug 2023 447th Yewzir 🇧🇪 813 163 288ms 7 Feb 2024 447th CaedenHarper 🇨🇦 813 163 288ms 2 Nov 2025 450th saito-ta 🇯🇵 812 32 42ms 19 Aug 2022 450th canissimia 🇦🇶 812 32 41ms 19 Aug 2022 452nd m42km 812 85 10ms 24 Oct 2023 452nd emgordon154 812 85 10ms 1 Aug 2024 452nd JunkIce 812 85 10ms 25 Nov 2024 452nd robin-scragg 812 85 10ms 25 Jul 2025 456th itsh01 812 87 11ms 13 Mar 2022 456th AlephSquirrel 812 87 16ms 15 Feb 2023 456th danielphilpottwork 812 87 10ms 20 Dec 2023 459th Shanethegamer 🇺🇸 812 136 62ms 20 Apr 2022 460th emgordon154 812 181 1,625ms 22 Dec 2025 461st btnlq 811 125 15ms 12 Jan 2022 462nd Yewzir 🇧🇪 810 76 394ms 22 Jun 2024 462nd Shanethegamer 🇺🇸 810 76 406ms 10 Dec 2024 464th stefangimmillaro 810 87 2,700ms 24 Nov 2024 464th emgordon154 810 87 2,768ms 6 Mar 2025 466th DialFrost 🇸🇬 810 118 461ms 27 Nov 2024 467th janbehrens 🇩🇪 809 103 4ms 2 Jul 2023 468th plcc0 809 125 6ms 23 Mar 2025 469th ovs-code 🇩🇪 807 90 65ms 12 Sep 2024 469th primo-ppcg 🇹🇭 807 90 62ms 5 Apr 2025 471st jotslo 🇬🇧 807 107 2ms 17 Jul 2022 472nd Mandrzejy 🇵🇱 807 114 1ms 13 Sep 2024 472nd AZTECCO 807 114 1ms 16 Sep 2025 474th error256 807 132 385ms 21 Nov 2025 475th m-tkach 🇺🇦 806 137 62ms 15 Jan 2022 475th sean-niemann 🇺🇸 806 137 60ms 3 Feb 2024 477th DialFrost 🇸🇬 805 72 755ms 4 Sep 2025 478th GrayJoKing 🇦🇺 805 113 401ms 24 Jul 2025 479th GrayJoKing 🇦🇺 804 152 29ms 18 Jul 2023 479th m-tkach 🇺🇦 804 152 29ms 10 Feb 2026 First Prev 401–480 of 1,608 Next Last