Rijndael S-box 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 151st error256 750 174 28 Sep 2024 152nd stefangimmillaro 748 235 9 Sep 2023 153rd weliveinhell 🇭🇹 747 184 27 Sep 2023 154th emgordon154 745 120 13 Apr 2025 155th error256 744 113 28 May 2024 156th nwellnhof 🇩🇪 741 85 10 Sep 2023 157th DialFrost 🇸🇬 741 237 15 hours ago 158th edsrzf 🇳🇿 741 669 18 Mar 2025 159th stefangimmillaro 735 187 20 Jun 2025 160th prplz 🇦🇺 733 86 27 Jan 2025 161st ovs-code 🇩🇪 733 143 3 Sep 2023 161st error256 733 143 28 May 2024 163rd stefangimmillaro 729 229 9 Sep 2023 164th emgordon154 728 145 18 Oct 2024 165th m-tkach 🇺🇦 727 120 1 Sep 2023 166th lifthrasiir 🇰🇷 724 101 30 Nov 2024 167th emgordon154 721 121 13 Apr 2025 168th SirBogman 🇺🇸 721 547 27 Sep 2023 169th ovs-code 🇩🇪 719 117 3 Sep 2023 169th MostParsingVex 719 117 19 Jan 2025 171st MostParsingVex 716 88 20 Jan 2025 172nd dcgjb 713 141 5 Jun 2024 173rd inventshah 708 89 3 Sep 2023 174th inventshah 708 148 3 Sep 2023 175th nwellnhof 🇩🇪 708 149 11 Sep 2023 176th inventshah 705 249 3 Sep 2023 177th m-tkach 🇺🇦 705 287 18 Jan 2024 178th sean-niemann 🇺🇸 704 195 20 Jun 2025 179th lynn 704 274 12 Jun 2024 180th AdrienHache 🇫🇷 703 143 2 Jan 2024 181st stefangimmillaro 702 224 11 Nov 2024 182nd AlephSquirrel 701 220 22 Jan 2025 183rd madeforlosers 699 151 7 Nov 2023 184th MostParsingVex 699 225 11 Nov 2024 185th MostParsingVex 698 111 21 Jan 2025 186th albanian-laundromat 698 150 15 days ago 187th adamnielson42 🇺🇸 693 107 6 Sep 2023 187th CaedenHarper 🇨🇦 693 107 30 Jan 2025 189th duckyluuk 🇳🇱 693 126 5 Jul 2025 190th IanUtley 691 274 4 Feb 2025 191st error256 690 173 9 Oct 2024 192nd Waffle3z 687 180 12 Sep 2023 193rd weliveinhell 🇭🇹 686 174 6 Jan 2024 194th GrayJoKing 🇦🇺 679 104 17 Nov 2023 195th canissimia 🇦🇶 679 120 16 Sep 2023 195th sisyphus-ppcg 🇦🇺 679 120 17 Nov 2023 197th stefangimmillaro 679 216 7 Sep 2023 198th CatsAreFluffy 677 93 16 Feb 2024 199th duckyluuk 🇳🇱 677 132 28 Aug 2024 199th albanian-laundromat 677 132 4 Aug 2025 201st emgordon154 675 238 8 hours ago 202nd nwellnhof 🇩🇪 674 121 10 Sep 2023 203rd nwellnhof 🇩🇪 673 105 15 Nov 2023 204th weliveinhell 🇭🇹 671 130 14 Oct 2023 205th namelessiw 670 205 21 Jul 2025 206th Alex-x90 🇺🇸 667 157 9 Jan 2025 207th MeWhenI 🇻🇦 663 123 1 Sep 2023 208th dokutan 662 135 14 days ago 209th albanian-laundromat 661 132 6 May 2025 210th pardouin 🇫🇷 658 130 10 Aug 2025 211th ovs-code 🇩🇪 658 136 17 Mar 2025 212th ovs-code 🇩🇪 657 124 13 May 2025 213th stefangimmillaro 657 204 17 Sep 2023 213th targrik 657 204 15 May 2025 215th neel11235813 656 113 10 Oct 2023 216th pardouin 🇫🇷 654 210 25 Oct 2024 217th KatieLG 🇬🇧 653 137 28 Oct 2024 218th tayloia 🇬🇧 652 162 23 Nov 2024 219th AlephSquirrel 648 138 4 Feb 2024 220th sisyphus-ppcg 🇦🇺 648 163 1 Sep 2023 220th Steffan153 🇫🇮 648 163 19 Oct 2023 222nd dokutan 647 135 14 days ago 223rd KatieLG 🇬🇧 645 802 7 Jun 2025 224th emgordon154 643 133 13 hours ago 225th GrayJoKing 🇦🇺 642 127 18 Nov 2023 Prev 151–225 of 1,259 Next