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 Binary Lambda Calculus Calendar Connect Four Continued Fractions 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 Continued Fractions 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 Chars Time Submitted 676th orthoplex 🇨🇽 605 53 33ms 7 Oct 2020 677th rgthree 605 119 10ms 5 Sep 2023 678th neihousaigaai 604 127 3ms 5 Apr 2021 679th MeWhenI 🇻🇦 603 79 227ms 28 Jan 2023 680th JDHuber23 603 91 9ms 23 Oct 2023 680th Grrisly 603 91 9ms 4 Nov 2023 680th stertooy 🇧🇪 603 91 9ms 13 Jun 2024 680th CaedenHarper 🇨🇦 603 91 9ms 2 Nov 2024 684th Yewzir 🇧🇪 603 151 369ms 9 Feb 2024 685th cduerm 602 177 257ms 12 Nov 2020 686th galloj 🇨🇿 601 96 2ms 22 Apr 2024 687th Shanethegamer 🇺🇸 601 150 442ms 12 Dec 2022 688th mintypython 600 120 8ms 18 Oct 2018 689th drew-loukusa 599 64 3ms 7 Mar 2020 690th DialFrost 🇸🇬 599 108 3ms 20 Oct 2023 691st jacobly0 🇺🇸 599 109 955ms 17 Aug 2023 692nd gastropner 599 128 2ms 23 Dec 2020 692nd Yewzir 🇧🇪 599 128 2ms 9 Feb 2024 694th steffan-polygolf 598 87 520ms 8 Mar 2024 695th StefanHabel 🇨🇦 597 92 9ms 12 Dec 2022 695th betaveros 597 92 10ms 30 Dec 2022 695th markusgraube 597 92 9ms 2 Jul 2023 695th OwPowell 597 92 9ms 18 Dec 2023 695th luuumine 🇫🇷 597 92 10ms 17 Oct 2025 700th Ripick 597 131 357ms 16 Jul 2024 701st KatieLG 🇬🇧 597 143 359ms 30 Jul 2024 702nd WillConker 596 156 194ms 25 Oct 2024 703rd kmathis22 596 165 344ms 22 days ago 704th madeforlosers 595 121 8ms 11 Jan 2024 705th pandapawskat 595 129 2ms 4 Oct 2021 706th roavin 593 144 335ms 28 Jul 2022 707th olleicua 🇺🇸 591 44 47ms 11 Mar 2024 708th JunkIce 591 88 327ms 19 Jan 2025 708th CaedenHarper 🇨🇦 591 88 509ms 28 Jan 2025 710th prplz 🇦🇺 590 62 150ms 22 Mar 2020 710th scpchicken 🇵🇼 590 62 99ms 26 Mar 2022 712th Shanethegamer 🇺🇸 590 77 41ms 16 Dec 2022 712th aksyristos 590 77 35ms 31 Jan 2023 714th giacomogallina 590 93 16ms 14 Jun 2019 714th loserface69 590 93 10ms 15 Mar 2020 714th Kloppermand 🇩🇰 590 93 9ms 6 Jan 2023 714th thisishowmymindworks 🇳🇴 590 93 10ms 31 May 2023 714th jesterjunk 590 93 9ms 23 Sep 2025 719th gigaprofisi 🇺🇸 590 122 9ms 18 Jun 2025 720th Natanaelel 🇸🇪 589 65 2ms 9 Aug 2021 721st lionbryce 589 137 1ms 18 Aug 2024 722nd DardS8Br 589 167 318ms 14 Jan 2024 723rd lahell 588 81 195ms 7 Jun 2020 724th Skepfyr 588 158 133ms 4 Jan 2020 725th jerrandolph 588 181 270ms 16 Apr 2020 726th KatieLG 🇬🇧 585 123 9ms 5 Oct 2025 727th AdrienHache 🇫🇷 585 146 338ms 30 Dec 2023 728th Yewzir 🇧🇪 585 182 261ms 29 Oct 2023 729th OllieBoyne 🇬🇧 584 94 9ms 17 Sep 2022 729th Eilonlif 🇮🇱 584 94 9ms 4 Nov 2022 729th stefangimmillaro 584 94 9ms 6 Jul 2023 729th mathisfun271 584 94 10ms 16 Dec 2023 733rd rak1507 🇬🇧 583 55 32ms 21 Feb 2022 734th czylabsonasa 🇭🇺 582 98 309ms 21 Oct 2021 735th 12Jeef 582 169 325ms 1 Sep 2023 735th yoshykai 582 169 308ms 30 Mar 2025 737th DialFrost 🇸🇬 581 82 217ms 7 Jun 2024 738th kdx2a 581 132 2ms 13 Feb 2025 739th Mabeloid 🇳🇴 581 160 156ms 19 days ago 740th MeWhenI 🇻🇦 580 120 1ms 10 Oct 2023 741st itserasmus 580 124 8ms 25 Jan 2024 742nd adriweb 🇫🇷 580 139 17ms 26 Jan 2024 742nd Blendi-Goose 580 139 2ms 24 Mar 2025 744th DestyNova 🇮🇪 579 135 354ms 15 Aug 2022 745th Natanaelel 🇸🇪 578 45 39ms 29 Jul 2022 746th MeWhenI 🇻🇦 578 91 4ms 16 Aug 2024 747th tomtheisen 🇺🇸 578 95 10ms 4 Dec 2019 747th jiaminglimjm 🇲🇾 578 95 10ms 29 Feb 2020 747th Fishron 578 95 38ms 14 Oct 2021 747th jdw1023 578 95 10ms 26 Apr 2022 First Prev 676–750 of 2,374 Next Last