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 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 Topological Sort 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 526th janbehrens 🇩🇪 672 127 17 Apr 2025 526th MeWhenI 🇻🇦 672 127 19 Jun 2025 528th dcgjb 671 71 4 Jun 2024 529th RockOfStone 671 120 9 Mar 2024 530th daedals 669 82 19 Jun 2019 530th FlorianCassayre 🇫🇷 669 82 24 May 2024 530th HumanoidCPU 669 82 9 May 2025 533rd prplz 🇦🇺 669 137 20 Oct 2020 534th SirBogman 🇺🇸 667 39 11 Nov 2022 534th T193R-W00D5 667 39 21 Apr 2025 536th cake287 666 117 15 Jan 2023 537th Phil-RGOMEGA 666 121 31 May 2023 538th bzijlema 🇳🇱 666 160 30 Jan 2024 539th MeWhenI 🇻🇦 664 110 29 Apr 2025 540th Shanethegamer 🇺🇸 664 138 29 Apr 2022 541st Feniske 🇫🇷 662 72 10 Nov 2023 542nd emgordon154 662 88 6 Sep 2024 543rd MeWhenI 🇻🇦 662 119 15 Oct 2022 544th aposteriorist 🇨🇦 662 136 4 Mar 2022 545th rak1507 🇬🇧 661 55 21 Feb 2022 546th Bonjour27891 🇻🇳 661 83 15 Jul 2022 546th SB-945 661 83 17 Apr 2024 548th Grrisly 661 116 7 Nov 2023 549th primo-ppcg 🇹🇭 660 117 1 May 2023 550th kops-cg 660 118 14 Apr 2021 551st stefangimmillaro 659 109 17 Oct 2023 551st KrausRaus 🇺🇸 659 109 13 Dec 2023 551st olleicua 🇺🇸 659 109 5 Feb 2024 551st junkondo-jp 659 109 30 Jun 2024 551st targrik 659 109 8 Jun 2025 556th MateuszPietrzak 🇵🇱 659 138 17 Nov 2023 557th dokutan 656 87 30 Apr 2024 558th clockworknazo 655 87 15 Nov 2022 559th bendapootie 655 117 10 Jul 2020 560th Natanaelel 🇸🇪 654 49 20 Jul 2023 560th lifthrasiir 🇰🇷 654 49 28 Nov 2024 562nd kumavale 🇯🇵 654 142 7 Apr 2021 563rd LHuitre 654 193 29 Apr 2022 564th juan-cazalvilla 653 84 1 Aug 2022 564th kops-cg 653 84 26 Feb 2025 566th alexkunin 653 110 6 Jul 2019 567th lukechampine 653 163 19 Apr 2020 567th MeWhenI 🇻🇦 653 163 10 Feb 2023 569th emgordon154 653 225 24 May 2025 570th ovs-code 🇩🇪 652 108 12 Sep 2024 571st stefangimmillaro 651 131 15 Jun 2025 572nd ovs-code 🇩🇪 650 40 25 Feb 2025 573rd DaCoolOne 650 124 21 Nov 2019 574th stefangimmillaro 650 143 29 Oct 2023 575th GrayJoKing 🇦🇺 649 70 28 May 2021 576th SirBogman 🇺🇸 649 80 15 Jan 2024 576th Shanethegamer 🇺🇸 649 80 16 Jan 2024 578th jacobly0 🇺🇸 647 227 22 Apr 2024 579th marcin7Cd 646 85 1 Jan 2021 579th aposteriorist 🇨🇦 646 85 28 Jan 2022 579th keelimeguy 🇺🇸 646 85 7 May 2025 582nd Shanethegamer 🇺🇸 645 125 24 Jan 2024 583rd boxjelly 644 121 5 Jan 2021 584th Shanethegamer 🇺🇸 644 196 28 Apr 2022 585th Yewzir 🇧🇪 642 112 20 Apr 2023 585th Mabeloid 🇳🇴 642 112 26 Oct 2024 587th postie77 641 133 5 May 2023 588th Natanaelel 🇸🇪 639 71 9 Aug 2021 588th xiBread 🇺🇸 639 71 25 Sep 2021 590th frosster 639 126 27 Mar 2025 591st angel-p57 🇯🇵 639 196 23 Nov 2023 592nd edre 638 86 7 Jun 2018 592nd davecame 638 86 20 Mar 2024 594th adamnielson42 🇺🇸 638 99 20 Nov 2023 595th stefangimmillaro 638 167 13 Dec 2024 596th iznax 636 113 2 Jul 2020 596th Salutations45 636 113 22 Nov 2024 598th rvdnieuwendijk 🇳🇱 635 75 14 Jul 2020 599th AlephSquirrel 635 142 21 Mar 2025 600th MobDev-Hobby 634 41 9 Jan 2024 Prev 526–600 of 2,232 Next