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 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 Chars Time 601st iznax 636 113 2 Jul 2020 601st Salutations45 636 113 22 Nov 2024 603rd MobDev-Hobby 634 41 9 Jan 2024 604th mossr 🇺🇸 634 90 24 Feb 2021 605th BrMorrison 634 123 6 Nov 2023 606th HumanoidCPU 633 82 9 May 2025 607th DialFrost 🇸🇬 633 99 8 Dec 2023 608th ovs-code 🇩🇪 633 102 7 Feb 2023 609th rifatx 632 135 6 Jul 2024 610th jeff-at-tamer-dot-codes 🇺🇸 631 87 6 Jun 2023 611th Shanethegamer 🇺🇸 631 124 13 Jun 2022 612th sharkree 631 200 3 Sep 2023 613th bobbogomip 628 61 7 Nov 2018 614th yanjs 628 124 23 Jan 2022 614th strout 628 124 17 Aug 2022 616th Meowsan91 🇨🇿 627 136 21 Nov 2021 617th janbehrens 🇩🇪 627 145 20 Nov 2022 618th annaproxy 626 83 21 Jan 2024 619th frobinsonj 625 115 28 Jun 2018 619th draxler-h 625 115 13 Jan 2023 619th xyangst 625 115 28 Sep 2024 619th LukeBridges 🇬🇧 625 115 1 Oct 2024 623rd green-beans 624 88 30 Jan 2021 623rd zacjl 624 88 20 Sep 2024 623rd wh3n3v3r 🇨🇿 624 88 13 Nov 2024 623rd JunkIce 624 88 19 Jan 2025 623rd Bulmenisaurus 624 88 7 Jul 2025 628th FlyingPenguin223 622 73 7 Nov 2023 628th DialFrost 🇸🇬 622 73 2 Jun 2024 628th csharpython 622 73 24 mins ago 631st janbehrens 🇩🇪 621 145 24 Mar 2022 632nd didion0 🇺🇸 620 116 31 Jan 2022 632nd fitzdotlol 🇺🇸 620 116 28 Mar 2022 634th GrayJoKing 🇦🇺 620 150 13 Jan 2022 635th annaproxy 619 126 15 Apr 2022 636th jared-hughes 619 147 24 Jun 2022 637th DialFrost 🇸🇬 618 85 12 Aug 2024 638th emgordon154 617 52 3 Nov 2024 639th lostMia 617 89 17 Jun 2023 639th jatloe 617 89 26 Aug 2024 641st Shanethegamer 🇺🇸 616 127 28 Apr 2022 642nd MeWhenI 🇻🇦 615 126 17 Nov 2022 643rd pilaf 🇦🇷 614 74 8 Apr 2022 643rd sisyphus-ppcg 🇦🇺 614 74 18 Oct 2023 645th Ripick 613 93 24 Jun 2025 646th ZakkkkAttackkkk 🇵🇭 613 125 15 Dec 2021 646th janbehrens 🇩🇪 613 125 20 Jul 2022 648th ian-h-chamberlain 🇺🇸 612 152 18 Jul 2022 649th AlephSquirrel 611 85 22 Jan 2024 650th jared-hughes 610 90 7 Oct 2021 650th LogicalJoe 610 90 29 Sep 2022 650th AlephSquirrel 610 90 3 Dec 2022 650th inventshah 610 90 24 Sep 2023 650th KasperKivimaeki 🇫🇮 610 90 12 Jul 2025 655th Herbert00709 🇵🇱 610 149 10 Mar 2024 656th cbrt-x 610 207 19 Sep 2021 657th JDiLenarda 🇫🇷 609 129 2 Nov 2020 658th guliyevemil1 🇦🇿 609 175 30 Jan 2021 659th JRaspass 🇬🇧 608 63 3 Apr 2022 660th jared-hughes 606 75 12 Oct 2022 661st rgthree 604 119 5 Sep 2023 662nd neihousaigaai 604 127 5 Apr 2021 663rd MeWhenI 🇻🇦 603 79 28 Jan 2023 664th JDHuber23 603 91 23 Oct 2023 664th Grrisly 603 91 4 Nov 2023 664th stertooy 🇧🇪 603 91 13 Jun 2024 664th CaedenHarper 🇨🇦 603 91 2 Nov 2024 668th Yewzir 🇧🇪 602 151 9 Feb 2024 669th cduerm 602 177 12 Nov 2020 670th galloj 🇨🇿 601 96 22 Apr 2024 671st Shanethegamer 🇺🇸 601 150 12 Dec 2022 672nd jacobly0 🇺🇸 599 109 17 Aug 2023 673rd mintypython 599 120 18 Oct 2018 674th gastropner 599 128 23 Dec 2020 674th Yewzir 🇧🇪 599 128 9 Feb 2024 Prev 601–675 of 2,292 Next