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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 601st iznax 636 113 2 Jul 2020 601st Salutations45 636 113 22 Nov 2024 603rd rvdnieuwendijk 🇳🇱 635 75 14 Jul 2020 604th MobDev-Hobby 634 41 9 Jan 2024 605th HumanoidCPU 634 82 9 May 2025 606th mossr 🇺🇸 634 90 24 Feb 2021 607th DialFrost 🇸🇬 634 99 8 Dec 2023 608th BrMorrison 634 123 6 Nov 2023 609th ovs-code 🇩🇪 633 102 7 Feb 2023 610th rifatx 632 135 6 Jul 2024 611th csharpython 631 72 28 Aug 2025 612th jeff-at-tamer-dot-codes 🇺🇸 631 87 6 Jun 2023 613th Shanethegamer 🇺🇸 631 124 13 Jun 2022 614th yanjs 629 124 23 Jan 2022 614th strout 629 124 17 Aug 2022 616th bobbogomip 628 61 7 Nov 2018 617th janbehrens 🇩🇪 628 145 20 Nov 2022 618th Meowsan91 🇨🇿 627 136 21 Nov 2021 619th annaproxy 626 83 21 Jan 2024 620th frobinsonj 625 115 28 Jun 2018 620th draxler-h 625 115 13 Jan 2023 620th xyangst 625 115 28 Sep 2024 620th LukeBridges 🇬🇧 625 115 1 Oct 2024 624th green-beans 624 88 30 Jan 2021 624th zacjl 624 88 20 Sep 2024 624th wh3n3v3r 🇨🇿 624 88 13 Nov 2024 624th JunkIce 624 88 19 Jan 2025 624th Bulmenisaurus 624 88 7 Jul 2025 629th FlyingPenguin223 622 73 7 Nov 2023 629th DialFrost 🇸🇬 622 73 2 Jun 2024 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 Shanethegamer 🇺🇸 619 159 20 days ago 638th DialFrost 🇸🇬 618 85 12 Aug 2024 639th emgordon154 617 52 3 Nov 2024 640th lostMia 617 89 17 Jun 2023 640th jatloe 617 89 26 Aug 2024 642nd Shanethegamer 🇺🇸 616 127 28 Apr 2022 643rd MeWhenI 🇻🇦 615 126 17 Nov 2022 644th pilaf 🇦🇷 614 74 8 Apr 2022 644th sisyphus-ppcg 🇦🇺 614 74 18 Oct 2023 644th KatieLG 🇬🇧 614 74 13 days ago 647th Ripick 613 93 24 Jun 2025 648th ZakkkkAttackkkk 🇵🇭 613 125 15 Dec 2021 648th janbehrens 🇩🇪 613 125 20 Jul 2022 650th AlephSquirrel 612 85 22 Jan 2024 651st ian-h-chamberlain 🇺🇸 612 152 18 Jul 2022 652nd Herbert00709 🇵🇱 611 149 10 Mar 2024 653rd jared-hughes 610 90 7 Oct 2021 653rd LogicalJoe 610 90 29 Sep 2022 653rd AlephSquirrel 610 90 3 Dec 2022 653rd inventshah 610 90 24 Sep 2023 653rd KasperKivimaeki 🇫🇮 610 90 12 Jul 2025 653rd LHuitre 610 90 1 Sep 2025 659th JDiLenarda 🇫🇷 609 129 2 Nov 2020 660th guliyevemil1 🇦🇿 609 175 30 Jan 2021 661st JRaspass 🇬🇧 608 63 3 Apr 2022 662nd jared-hughes 606 75 12 Oct 2022 663rd rgthree 604 119 5 Sep 2023 664th neihousaigaai 604 127 5 Apr 2021 665th MeWhenI 🇻🇦 603 79 28 Jan 2023 666th JDHuber23 603 91 23 Oct 2023 666th Grrisly 603 91 4 Nov 2023 666th stertooy 🇧🇪 603 91 13 Jun 2024 666th CaedenHarper 🇨🇦 603 91 2 Nov 2024 670th Yewzir 🇧🇪 603 151 9 Feb 2024 671st cduerm 602 177 12 Nov 2020 672nd galloj 🇨🇿 601 96 22 Apr 2024 673rd Shanethegamer 🇺🇸 601 150 12 Dec 2022 674th jacobly0 🇺🇸 599 109 17 Aug 2023 675th mintypython 599 120 18 Oct 2018 First Prev 601–675 of 2,330 Next Last