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 526th elgan65536 674 138 22 Oct 2023 527th pilaf 🇦🇷 673 97 6 Apr 2022 527th Andriamanitra 🇫🇮 673 97 2 Jan 2024 529th RockOfStone 672 120 9 Mar 2024 530th janbehrens 🇩🇪 672 127 17 Apr 2025 530th MeWhenI 🇻🇦 672 127 19 Jun 2025 532nd dcgjb 671 71 4 Jun 2024 533rd prplz 🇦🇺 670 137 20 Oct 2020 534th daedals 669 82 19 Jun 2019 534th FlorianCassayre 🇫🇷 669 82 24 May 2024 534th HumanoidCPU 669 82 9 May 2025 537th SirBogman 🇺🇸 667 39 11 Nov 2022 537th T193R-W00D5 667 39 21 Apr 2025 539th cake287 666 117 15 Jan 2023 540th Phil-RGOMEGA 666 121 31 May 2023 541st bzijlema 🇳🇱 666 160 30 Jan 2024 542nd MeWhenI 🇻🇦 665 110 29 Apr 2025 543rd Shanethegamer 🇺🇸 665 138 29 Apr 2022 544th rak1507 🇬🇧 662 55 21 Feb 2022 545th Feniske 🇫🇷 662 72 10 Nov 2023 546th emgordon154 662 88 6 Sep 2024 547th primo-ppcg 🇹🇭 662 117 1 May 2023 548th MeWhenI 🇻🇦 662 119 15 Oct 2022 549th aposteriorist 🇨🇦 662 136 4 Mar 2022 550th Bonjour27891 🇻🇳 661 83 15 Jul 2022 550th SB-945 661 83 17 Apr 2024 552nd Grrisly 661 116 7 Nov 2023 553rd kops-cg 660 118 14 Apr 2021 554th stefangimmillaro 659 109 17 Oct 2023 554th KrausRaus 🇺🇸 659 109 13 Dec 2023 554th olleicua 🇺🇸 659 109 5 Feb 2024 554th junkondo-jp 659 109 30 Jun 2024 554th targrik 659 109 8 Jun 2025 559th MateuszPietrzak 🇵🇱 659 138 17 Nov 2023 560th dokutan 656 87 30 Apr 2024 561st clockworknazo 655 87 15 Nov 2022 562nd bendapootie 655 117 10 Jul 2020 563rd kumavale 655 142 7 Apr 2021 564th emgordon154 655 225 24 May 2025 565th Natanaelel 🇸🇪 654 49 20 Jul 2023 565th lifthrasiir 🇰🇷 654 49 28 Nov 2024 567th LHuitre 654 193 29 Apr 2022 568th juan-cazalvilla 653 84 1 Aug 2022 568th kops-cg 653 84 26 Feb 2025 570th alexkunin 653 110 6 Jul 2019 571st lukechampine 653 163 19 Apr 2020 571st MeWhenI 🇻🇦 653 163 10 Feb 2023 573rd ovs-code 🇩🇪 652 108 12 Sep 2024 574th stefangimmillaro 651 131 15 Jun 2025 575th ovs-code 🇩🇪 650 40 25 Feb 2025 576th DaCoolOne 650 124 21 Nov 2019 577th stefangimmillaro 650 143 29 Oct 2023 578th GrayJoKing 🇦🇺 649 70 28 May 2021 579th SirBogman 🇺🇸 649 80 15 Jan 2024 579th Shanethegamer 🇺🇸 649 80 16 Jan 2024 581st jacobly0 🇺🇸 649 227 22 Apr 2024 582nd marcin7Cd 646 85 1 Jan 2021 582nd aposteriorist 🇨🇦 646 85 28 Jan 2022 582nd keelimeguy 🇺🇸 646 85 7 May 2025 585th Shanethegamer 🇺🇸 645 125 24 Jan 2024 586th boxjelly 644 121 5 Jan 2021 587th Shanethegamer 🇺🇸 644 196 28 Apr 2022 588th Yewzir 🇧🇪 642 112 20 Apr 2023 588th Mabeloid 🇳🇴 642 112 26 Oct 2024 590th postie77 641 133 5 May 2023 591st Natanaelel 🇸🇪 640 71 9 Aug 2021 591st xiBread 🇺🇸 640 71 25 Sep 2021 593rd frosster 640 126 27 Mar 2025 594th angel-p57 🇯🇵 639 196 23 Nov 2023 595th edre 638 86 7 Jun 2018 595th davecame 638 86 20 Mar 2024 597th adamnielson42 🇺🇸 638 99 20 Nov 2023 598th stefangimmillaro 638 167 13 Dec 2024 599th AlephSquirrel 637 142 21 Mar 2025 600th rvdnieuwendijk 🇳🇱 636 75 14 Jul 2020 Prev 526–600 of 2,289 Next