Diamonds in all languages in chars. 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 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 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 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 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 Chars Time Submitted 824th Heathcorp 🇦🇺 549 100 11ms 2 Dec 2022 824th aksyristos 549 100 11ms 2 Feb 2023 824th madex 🇩🇪 549 100 14ms 9 Jul 2024 824th LostSyntax21 🇬🇧 549 100 11ms 2 Dec 2024 824th Pyroan 549 100 13ms 21 Feb 2025 824th evan18c 549 100 12ms 22 Apr 2025 824th LvLError 549 100 10ms 29 May 2025 824th Lv0Sys 🇵🇱 549 100 10ms 30 May 2025 824th Flekay 🇩🇪 549 100 14ms 10 Jul 2025 824th vgamula 🇺🇦 549 100 10ms 5 Aug 2025 836th Yewzir 🇧🇪 547 144 127ms 28 Mar 2024 837th joelgduggan 547 156 344ms 21 Nov 2021 838th akusumoto 🇯🇵 547 170 155ms 6 Apr 2022 839th mcreenan 546 67 141ms 20 Jun 2018 840th Natanaelel 🇸🇪 545 132 13ms 11 May 2022 840th CallanMcNulty 545 132 9ms 30 Sep 2022 840th aksyristos 545 132 9ms 28 Dec 2022 843rd Andriamanitra 🇫🇮 545 156 4ms 13 Jun 2024 844th Irratix 🇳🇱 545 167 442ms 3 Jan 2022 845th Herbert00709 🇵🇱 544 141 2ms 8 Jun 2024 846th NewDefectus 🇮🇱 543 101 12ms 21 Apr 2021 846th eddvrs 543 101 10ms 20 Aug 2022 846th commandblockguy 🇺🇸 543 101 10ms 29 Sep 2022 846th benson-z 543 101 11ms 6 Dec 2024 850th aliakseikalosha 543 157 349ms 22 Oct 2024 851st MeWhenI 🇻🇦 543 188 26ms 7 Jun 2023 852nd vibdev 541 133 10ms 26 Aug 2021 853rd Jandoife 540 142 3ms 9 Dec 2022 854th Shanethegamer 🇺🇸 540 158 356ms 9 Apr 2025 855th Ashray-g 🇺🇸 540 182 370ms 1 Sep 2023 856th scpchicken 🇵🇼 538 102 10ms 26 Mar 2022 856th mdnestor 538 102 12ms 27 Dec 2022 856th FranklinJiaChen 538 102 10ms 19 Jul 2024 856th BoBz200 538 102 11ms 9 Nov 2024 860th h3ra993huskp 🇯🇵 538 183 458ms 9 Oct 2023 861st eranws 537 134 9ms 16 Oct 2022 861st bremersj 537 134 8ms 10 days ago 863rd arctouch-cristiannevianna 537 159 363ms 4 Mar 2024 864th KatieLG 🇬🇧 537 171 118ms 15 Jan 2023 865th KevinMarquette 🇺🇸 536 89 209ms 5 Jun 2020 865th TimCurwick 🇺🇸 536 89 198ms 27 Jan 2021 865th JPRuskin 🇬🇧 536 89 211ms 1 May 2024 868th MichalMarsalek 🇨🇿 536 97 445ms 21 Jan 2024 869th mousetail 🇳🇱 536 118 6ms 22 Oct 2024 870th n8pjl 536 143 2ms 29 Oct 2023 871st MeWhenI 🇻🇦 536 170 440ms 14 Nov 2022 872nd P-Quentin 🇫🇷 533 103 11ms 11 Aug 2022 872nd Alex-x90 🇺🇸 533 103 10ms 25 Oct 2023 872nd Bmrl7 533 103 9ms 3 Mar 2024 872nd souta-1326 533 103 10ms 26 Mar 2025 872nd wobblybits 533 103 12ms 15 Aug 2025 877th igmcdowell 533 135 11ms 12 Jan 2022 878th ericlangedijk 🇸🇮 533 160 308ms 22 May 2023 879th bizy-coder 533 235 2ms 20 Jan 2024 880th aalanso 532 171 2,493ms 18 Nov 2023 881st AlephSquirrel 531 49 41ms 28 Jul 2022 882nd Shanethegamer 🇺🇸 531 174 15ms 4 Oct 2024 883rd Natanaelel 🇸🇪 530 69 151ms 29 Apr 2022 884th frankgraziano 529 126 5ms 13 Mar 2025 885th Garklein 🇨🇦 529 136 9ms 7 Jan 2022 885th zakariamouhid 529 136 12ms 10 Jan 2023 887th AkashTandon167 529 145 2ms 25 Nov 2019 887th funnyboy-roks 529 145 2ms 14 Jun 2024 889th didroe 528 86 38ms 7 Nov 2024 890th hoodadam 528 104 11ms 14 Jun 2019 890th stordev 528 104 11ms 26 Feb 2021 890th FortuiteMan 🇫🇷 528 104 12ms 10 Sep 2023 890th ahmetdemirag 🇨🇾 528 104 9ms 21 Jun 2024 890th comp0zr 528 104 9ms 10 Oct 2024 895th chunes3 🇺🇸 526 134 78ms 19 Sep 2023 896th Yewzir 🇧🇪 526 187 491ms 2 Oct 2025 897th commandblockguy 🇺🇸 525 99 919ms 15 Jan 2024 898th tomh1012 525 137 12ms 1 Oct 2020 898th stefangabos 🇷🇴 525 137 11ms 30 Aug 2023 900th djeedjay 🇳🇱 525 146 2ms 9 Oct 2020 First Prev 826–900 of 2,350 Next Last