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 Crossword 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 Crossword 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 825th dokutan 553 130 8ms 20 Apr 2025 827th dokutan 553 339 1,790ms 12 Jan 2025 828th klixel 🇨🇦 550 169 145ms 9 Jun 2023 829th PiterAnnema 549 100 10ms 23 Mar 2022 829th neihousaigaai 549 100 13ms 17 Apr 2022 829th Heathcorp 🇦🇺 549 100 11ms 2 Dec 2022 829th aksyristos 549 100 11ms 2 Feb 2023 829th madex 🇩🇪 549 100 14ms 9 Jul 2024 829th LostSyntax21 🇬🇧 549 100 11ms 2 Dec 2024 829th Pyroan 549 100 13ms 21 Feb 2025 829th evan18c 549 100 12ms 22 Apr 2025 829th LvLError 549 100 10ms 29 May 2025 829th Lv0Sys 🇵🇱 549 100 10ms 30 May 2025 829th Flekay 🇩🇪 549 100 14ms 10 Jul 2025 829th vgamula 🇺🇦 549 100 10ms 5 Aug 2025 841st Yewzir 🇧🇪 547 144 109ms 28 Mar 2024 842nd joelgduggan 547 156 344ms 21 Nov 2021 843rd akusumoto 🇯🇵 547 170 156ms 6 Apr 2022 844th mcreenan 546 67 141ms 20 Jun 2018 845th Natanaelel 🇸🇪 545 132 9ms 11 May 2022 845th CallanMcNulty 545 132 8ms 30 Sep 2022 845th aksyristos 545 132 9ms 28 Dec 2022 848th Andriamanitra 🇫🇮 545 156 4ms 13 Jun 2024 849th Irratix 🇳🇱 545 167 388ms 3 Jan 2022 850th Herbert00709 🇵🇱 544 141 2ms 8 Jun 2024 851st aliakseikalosha 544 157 349ms 22 Oct 2024 852nd NewDefectus 🇮🇱 543 101 12ms 21 Apr 2021 852nd eddvrs 543 101 10ms 20 Aug 2022 852nd commandblockguy 🇺🇸 543 101 10ms 29 Sep 2022 852nd benson-z 543 101 11ms 6 Dec 2024 856th MeWhenI 🇻🇦 543 188 26ms 7 Jun 2023 857th vibdev 541 133 9ms 26 Aug 2021 858th Jandoife 540 142 3ms 9 Dec 2022 859th Shanethegamer 🇺🇸 540 158 356ms 9 Apr 2025 860th Ashray-g 🇺🇸 540 182 316ms 1 Sep 2023 861st scpchicken 🇵🇼 538 102 10ms 26 Mar 2022 861st mdnestor 538 102 12ms 27 Dec 2022 861st FranklinJiaChen 538 102 10ms 19 Jul 2024 861st BoBz200 538 102 11ms 9 Nov 2024 865th h3ra993huskp 🇯🇵 538 183 349ms 9 Oct 2023 866th eranws 537 134 8ms 16 Oct 2022 866th bremersj 537 134 9ms 21 days ago 868th arctouch-cristiannevianna 537 159 363ms 4 Mar 2024 869th KatieLG 🇬🇧 537 171 104ms 15 Jan 2023 870th KevinMarquette 🇺🇸 536 89 209ms 5 Jun 2020 870th TimCurwick 🇺🇸 536 89 198ms 27 Jan 2021 870th JPRuskin 🇬🇧 536 89 211ms 1 May 2024 873rd MichalMarsalek 🇨🇿 536 97 445ms 21 Jan 2024 874th mousetail 🇳🇱 536 118 6ms 22 Oct 2024 875th n8pjl 536 143 2ms 29 Oct 2023 876th MeWhenI 🇻🇦 536 170 377ms 14 Nov 2022 877th P-Quentin 🇫🇷 533 103 11ms 11 Aug 2022 877th Alex-x90 🇺🇸 533 103 10ms 25 Oct 2023 877th Bmrl7 533 103 9ms 3 Mar 2024 877th souta-1326 533 103 10ms 26 Mar 2025 877th wobblybits 533 103 12ms 15 Aug 2025 882nd igmcdowell 533 135 8ms 12 Jan 2022 883rd ericlangedijk 🇸🇮 533 160 308ms 22 May 2023 884th bizy-coder 533 235 2ms 20 Jan 2024 885th aalanso 532 171 2,256ms 18 Nov 2023 886th AlephSquirrel 531 49 41ms 28 Jul 2022 887th Natanaelel 🇸🇪 530 69 151ms 29 Apr 2022 888th frankgraziano 529 126 5ms 13 Mar 2025 889th Garklein 🇨🇦 529 136 8ms 7 Jan 2022 889th zakariamouhid 529 136 8ms 10 Jan 2023 891st AkashTandon167 529 145 2ms 25 Nov 2019 891st funnyboy-roks 529 145 2ms 14 Jun 2024 893rd didroe 528 86 38ms 7 Nov 2024 894th hoodadam 528 104 11ms 14 Jun 2019 894th stordev 528 104 11ms 26 Feb 2021 894th FortuiteMan 🇫🇷 528 104 12ms 10 Sep 2023 894th ahmetdemirag 🇨🇾 528 104 9ms 21 Jun 2024 894th comp0zr 528 104 9ms 10 Oct 2024 899th chunes3 🇺🇸 526 134 78ms 19 Sep 2023 900th Yewzir 🇧🇪 526 187 340ms 2 Oct 2025 First Prev 826–900 of 2,367 Next Last