Arabic to Roman 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 523rd dmrichwa 🇺🇸 695 125 16 Apr 2022 523rd two-bad 🇬🇧 695 125 23 Nov 2023 523rd dylanarmstrong 695 125 10 Dec 2023 523rd kkoenig 695 125 23 Dec 2023 523rd helbling 🇨🇭 695 125 21 Mar 2024 523rd duckyluuk 🇳🇱 695 125 3 Oct 2024 532nd Yewzir 🇧🇪 695 171 19 Jun 2024 533rd stefangimmillaro 693 222 24 Oct 2023 534th jmerle 🇳🇱 691 96 5 Jul 2023 534th f-tucker 691 96 19 Dec 2023 536th retrohun 691 137 29 Oct 2019 537th HumanoidCPU 691 218 10 Jun 2024 538th ovs-code 🇩🇪 690 88 22 Feb 2025 539th vang1ong7ang 690 126 29 Oct 2021 540th GrayJoKing 🇦🇺 690 167 26 Jan 2023 541st kurkale6ka 687 67 6 Sep 2021 542nd MeWhenI 🇻🇦 687 224 1 Feb 2024 543rd DialFrost 🇸🇬 686 155 24 May 2025 544th fgrosshans 🇫🇷 684 97 5 May 2023 545th voytxt 🇨🇿 684 127 1 Mar 2023 545th efgen 684 127 26 Dec 2023 547th targrik 684 144 19 Dec 2024 548th Alex-x90 🇺🇸 684 149 15 May 2023 549th ovs-code 🇩🇪 683 126 9 Feb 2025 550th Yax42 🇫🇷 683 174 12 days ago 551st makononov 683 240 28 Feb 2025 552nd olleicua 🇺🇸 682 89 21 Feb 2025 553rd edsrzf 🇳🇿 681 170 19 Mar 2025 554th timvermeulen 681 221 19 Jan 2020 555th JDiLenarda 🇫🇷 680 205 22 Nov 2023 556th boxjelly 680 249 25 Feb 2021 557th DaCuteRaccoon 678 71 3 Dec 2022 558th dokutan 678 115 3 Nov 2024 559th kimbo 🇺🇸 678 227 17 Dec 2022 560th kyleclaassen 677 127 22 May 2023 560th emgordon154 677 127 1 Aug 2024 562nd eMGeeneer 677 250 26 Jun 2024 563rd GrayJoKing 🇦🇺 676 68 15 Apr 2021 564th southpolenator 676 199 10 Jun 2023 565th stefangimmillaro 675 168 10 Nov 2024 565th MeWhenI 🇻🇦 675 168 2 Dec 2024 567th janbehrens 🇩🇪 675 176 17 Apr 2025 568th HumanoidCPU 674 251 26 Mar 2025 569th SirBogman 🇺🇸 672 58 22 Mar 2022 570th Shanethegamer 🇺🇸 672 116 16 Jan 2024 570th MeWhenI 🇻🇦 672 116 1 Feb 2024 572nd MeWhenI 🇻🇦 671 141 1 Feb 2024 573rd Shanethegamer 🇺🇸 671 177 28 Jan 2024 574th Shanethegamer 🇺🇸 669 115 8 Jan 2022 575th Shanethegamer 🇺🇸 669 159 24 May 2025 576th AlephSquirrel 667 129 15 Aug 2022 576th 5cw 🇺🇸 667 129 8 May 2025 578th duckyluuk 🇳🇱 666 181 16 Dec 2024 579th sultan 666 254 15 Apr 2022 580th Jonatan6 🇩🇰 663 203 3 Aug 2023 581st stackotter 663 227 29 May 2023 582nd primo-ppcg 🇹🇭 662 130 6 Oct 2021 583rd neihousaigaai 661 256 27 Apr 2021 584th Yewzir 🇧🇪 660 161 13 Sep 2023 585th Shanethegamer 🇺🇸 660 233 28 Jan 2024 586th darkoboshkovski 658 155 12 Jun 2023 587th MeWhenI 🇻🇦 658 249 1 Feb 2024 588th scpchicken 🇵🇼 657 70 6 Jan 2023 589th MeWhenI 🇻🇦 657 176 16 Jun 2023 590th p-vf 🇨🇭 656 181 21 Nov 2021 591st annaproxy 656 222 1 Aug 2022 592nd Steffan153 🇫🇮 655 119 30 May 2024 593rd AlephSquirrel 654 133 15 Feb 2023 593rd jbt 654 133 25 Dec 2023 595th jjstreet 654 259 24 Nov 2020 596th jared-hughes 653 97 16 Apr 2022 597th stefangimmillaro 653 182 17 Sep 2024 598th clockworknazo 651 140 27 Feb 2023 599th BlankSpruce 650 207 26 Aug 2022 600th janbehrens 🇩🇪 649 134 12 Nov 2023 Prev 526–600 of 1,721 Next