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 601st angel-p57 🇯🇵 639 196 2ms 23 Nov 2023 602nd edre 638 86 17ms 7 Jun 2018 602nd solisolu 638 86 10ms 112 mins ago 604th adamnielson42 🇺🇸 638 99 6ms 20 Nov 2023 605th stefangimmillaro 638 167 253ms 13 Dec 2024 606th iznax 637 113 9ms 2 Jul 2020 606th Salutations45 637 113 10ms 22 Nov 2024 608th AlephSquirrel 637 142 40ms 21 Mar 2025 609th rvdnieuwendijk 🇳🇱 636 75 208ms 14 Jul 2020 610th MobDev-Hobby 634 41 42ms 9 Jan 2024 611th HumanoidCPU 634 82 430ms 9 May 2025 612th mossr 🇺🇸 634 90 355ms 24 Feb 2021 613th DialFrost 🇸🇬 634 99 4ms 8 Dec 2023 614th BrMorrison 634 123 125ms 6 Nov 2023 615th ovs-code 🇩🇪 633 102 3ms 7 Feb 2023 616th rifatx 632 135 416ms 6 Jul 2024 617th csharpython 631 72 53ms 28 Aug 2025 618th jeff-at-tamer-dot-codes 🇺🇸 631 87 11ms 6 Jun 2023 619th Shanethegamer 🇺🇸 631 124 53ms 13 Jun 2022 620th yanjs 629 124 143ms 23 Jan 2022 620th strout 629 124 139ms 17 Aug 2022 622nd bobbogomip 628 61 3ms 7 Nov 2018 623rd janbehrens 🇩🇪 628 145 60ms 20 Nov 2022 624th Meowsan91 🇨🇿 627 136 351ms 21 Nov 2021 625th annaproxy 626 83 556ms 21 Jan 2024 626th frobinsonj 625 115 10ms 28 Jun 2018 626th draxler-h 625 115 8ms 13 Jan 2023 626th xyangst 625 115 13ms 28 Sep 2024 626th LukeBridges 🇬🇧 625 115 9ms 1 Oct 2024 630th green-beans 624 88 10ms 30 Jan 2021 630th zacjl 624 88 22ms 20 Sep 2024 630th wh3n3v3r 🇨🇿 624 88 10ms 13 Nov 2024 630th JunkIce 624 88 11ms 19 Jan 2025 630th Bulmenisaurus 624 88 21ms 7 Jul 2025 635th GrayJoKing 🇦🇺 624 149 150ms 17 days ago 636th FlyingPenguin223 623 73 42ms 7 Nov 2023 636th DialFrost 🇸🇬 623 73 32ms 2 Jun 2024 638th janbehrens 🇩🇪 621 145 477ms 24 Mar 2022 639th didion0 🇺🇸 620 116 8ms 31 Jan 2022 639th fitzdotlol 🇺🇸 620 116 10ms 28 Mar 2022 641st annaproxy 619 126 184ms 15 Apr 2022 642nd jared-hughes 619 147 416ms 24 Jun 2022 643rd Shanethegamer 🇺🇸 619 159 461ms 25 Sep 2025 644th DialFrost 🇸🇬 618 85 5ms 12 Aug 2024 645th lostMia 617 89 10ms 17 Jun 2023 645th jatloe 617 89 15ms 26 Aug 2024 647th Shanethegamer 🇺🇸 616 127 119ms 28 Apr 2022 648th MeWhenI 🇻🇦 615 126 127ms 17 Nov 2022 649th pilaf 🇦🇷 614 74 34ms 8 Apr 2022 649th sisyphus-ppcg 🇦🇺 614 74 32ms 18 Oct 2023 649th KatieLG 🇬🇧 614 74 36ms 2 Oct 2025 652nd Ripick 613 93 317ms 24 Jun 2025 653rd ZakkkkAttackkkk 🇵🇭 613 125 2ms 15 Dec 2021 653rd janbehrens 🇩🇪 613 125 3ms 20 Jul 2022 655th AlephSquirrel 612 85 545ms 22 Jan 2024 656th ian-h-chamberlain 🇺🇸 612 152 142ms 18 Jul 2022 657th Herbert00709 🇵🇱 611 149 72ms 10 Mar 2024 658th jared-hughes 610 90 11ms 7 Oct 2021 658th LogicalJoe 610 90 11ms 29 Sep 2022 658th AlephSquirrel 610 90 15ms 3 Dec 2022 658th inventshah 610 90 11ms 24 Sep 2023 658th KasperKivimaeki 🇫🇮 610 90 12ms 12 Jul 2025 658th LHuitre 610 90 10ms 1 Sep 2025 664th JDiLenarda 🇫🇷 609 129 1,347ms 2 Nov 2020 665th guliyevemil1 🇦🇿 609 175 262ms 30 Jan 2021 666th JRaspass 🇬🇧 608 63 3ms 3 Apr 2022 667th jared-hughes 606 75 34ms 12 Oct 2022 668th rgthree 604 119 9ms 5 Sep 2023 669th neihousaigaai 604 127 3ms 5 Apr 2021 670th MeWhenI 🇻🇦 603 79 227ms 28 Jan 2023 671st JDHuber23 603 91 10ms 23 Oct 2023 671st Grrisly 603 91 11ms 4 Nov 2023 671st stertooy 🇧🇪 603 91 13ms 13 Jun 2024 671st CaedenHarper 🇨🇦 603 91 10ms 2 Nov 2024 675th Yewzir 🇧🇪 603 151 451ms 9 Feb 2024 First Prev 601–675 of 2,349 Next Last