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 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 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 901st djeedjay 🇳🇱 525 146 2ms 9 Oct 2020 902nd Aurel300 🇨🇭 525 177 202ms 30 Jun 2024 903rd dokutan 524 162 4ms 17 Apr 2024 904th Romain-1 🇫🇷 524 163 362ms 18 May 2022 905th kevinmchung 523 105 10ms 18 Sep 2018 905th petar-donchev 523 105 11ms 8 Sep 2019 905th sambirnbaum1 523 105 10ms 15 Sep 2019 905th feherd 523 105 11ms 29 Aug 2021 905th redbeancola 523 105 11ms 5 Nov 2021 905th mousetail 🇳🇱 523 105 11ms 2 Nov 2022 905th M0PKOBKA 523 105 10ms 21 Dec 2022 905th janbehrens 🇩🇪 523 105 14ms 17 Jun 2023 905th AlexanderFair 523 105 9ms 26 Jun 2023 905th fgrosshans 🇫🇷 523 105 9ms 17 Jul 2024 905th edsrzf 🇳🇿 523 105 10ms 22 Nov 2024 905th Languag3 523 105 9ms 24 Sep 2025 917th janbehrens 🇩🇪 523 120 6ms 2 Dec 2021 918th hiddicop 🇸🇪 522 87 34ms 27 Jan 2021 918th Irratix 🇳🇱 522 87 35ms 4 Mar 2022 920th Shanethegamer 🇺🇸 522 204 275ms 13 Sep 2022 921st krcs 🇵🇱 521 138 9ms 19 Apr 2022 922nd msbranicky 521 293 1,685ms 17 Sep 2025 923rd JGDoerrer 520 175 384ms 22 Jan 2022 924th decorator-factory 518 106 10ms 24 May 2019 924th mosho-p 518 106 11ms 11 Oct 2022 924th Europe2048 518 106 14ms 21 Nov 2024 924th dirckvdende 518 106 11ms 9 Jul 2025 928th Kibble 518 139 9ms 12 Jul 2020 928th ArmaanAS 518 139 10ms 22 Feb 2022 930th guliyevemil1 🇦🇿 518 148 2ms 3 Feb 2021 931st MeWhenI 🇻🇦 518 165 3ms 14 Jul 2023 932nd roupiq 🇵🇱 517 176 383ms 21 Feb 2024 933rd jupj 🇫🇮 517 206 253ms 19 Aug 2022 934th Shanethegamer 🇺🇸 516 125 298ms 16 Feb 2025 935th guliyevemil1 🇦🇿 516 151 124ms 30 Jan 2021 936th lacroixjonathan87 515 122 4ms 11 Aug 2020 936th blaztoma 🇱🇹 515 122 4ms 19 Sep 2025 938th Mabeloid 🇳🇴 515 149 2ms 18 days ago 939th Protothor 514 140 10ms 14 Jun 2025 940th acer-xq 514 166 403ms 6 Aug 2024 941st UnderKoen 🇳🇱 514 259 2ms 29 Jan 2024 942nd JoeBigToe 513 93 209ms 10 Jun 2020 942nd tofuweasel 513 93 186ms 9 Jun 2022 944th garrisonhh 513 107 11ms 25 Nov 2020 944th Re-Adventures 🇮🇳 513 107 11ms 24 Dec 2021 944th Fracture17 513 107 10ms 4 Apr 2023 944th quimey 513 107 11ms 21 Jun 2023 948th janbehrens 🇩🇪 513 130 5ms 5 Aug 2021 949th ibeucaly 512 208 271ms 21 Jun 2025 950th rak1507 🇬🇧 511 89 37ms 23 Sep 2021 951st lgastako 510 153 130ms 2 Aug 2019 952nd LHuitre 510 193 297ms 29 Apr 2022 952nd CaedenHarper 🇨🇦 510 193 350ms 10 Oct 2025 954th MeWhenI 🇻🇦 509 112 2ms 12 Nov 2022 955th SirFireball3521 508 72 147ms 21 Mar 2023 956th dzhang314 508 108 13ms 13 Aug 2019 956th cubed-guy 508 108 11ms 3 Apr 2022 956th b10011 🇫🇮 508 108 9ms 7 Jan 2023 956th cykim8811 508 108 13ms 9 Jul 2024 960th SirBogman 🇺🇸 508 146 24ms 13 Nov 2022 961st MeWhenI 🇻🇦 508 371 12ms 29 Aug 2023 962nd IISResetMe 507 94 216ms 23 Feb 2024 963rd marekMin 507 142 10ms 19 Nov 2019 964th CaedenHarper 🇨🇦 507 210 257ms 6 days ago 965th KatieLG 🇬🇧 507 370 838ms 7 Jul 2025 966th MeWhenI 🇻🇦 506 171 3,292ms 2 Dec 2024 967th rambox11 505 152 2ms 10 Mar 2019 968th iczelia 🇩🇪 504 76 7ms 22 days ago 969th Mr-Xcoder 504 109 12ms 17 Jun 2018 969th geofft 504 109 11ms 10 Dec 2020 969th Marsolo1 504 109 12ms 18 Apr 2023 969th TaserTheFox 🇺🇸 504 109 11ms 2 May 2023 969th smilesformiles3 504 109 11ms 14 Jun 2025 969th jacekwladzinski 504 109 9ms 5 Oct 2025 975th TetraPengwin 504 160 2ms 20 Mar 2023 First Prev 901–975 of 2,357 Next Last