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 Trinomial Triangle 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 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 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 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 Turtle Tutorial # Golfer Points Chars Time 226th dokutan 647 135 10 Sep 2025 227th GrayJoKing 🇦🇺 642 127 18 Nov 2023 228th SirBogman 🇺🇸 639 231 27 Sep 2023 229th SirBogman 🇺🇸 637 132 5 Mar 2024 230th KatieLG 🇬🇧 637 137 29 Jul 2024 230th ovs-code 🇩🇪 637 137 17 Mar 2025 232nd emgordon154 635 151 18 Oct 2024 233rd dvargas46 🇺🇸 635 164 7 Sep 2023 234th weliveinhell 🇭🇹 630 284 15 Jan 2024 235th CaedenHarper 🇨🇦 629 235 8 days ago 236th AlephSquirrel 628 139 4 Feb 2024 237th error256 628 163 8 Sep 2024 238th xnor-gate 624 140 9 Sep 2023 238th wh3n3v3r 🇨🇿 624 140 18 Nov 2024 240th DialFrost 🇸🇬 623 237 23 days ago 241st lifthrasiir 🇰🇷 621 170 23 Nov 2024 242nd Natanaelel 🇸🇪 617 132 10 Sep 2023 243rd acotis 616 170 29 May 2025 244th stefangimmillaro 616 222 26 Apr 2025 245th nwellnhof 🇩🇪 615 142 15 Nov 2023 245th bizy-coder 615 142 29 Oct 2024 247th ovs-code 🇩🇪 610 168 12 May 2024 248th weliveinhell 🇭🇹 607 141 6 Jun 2024 249th GolfingSuccess 🇬🇷 604 338 19 Aug 2024 250th MeWhenI 🇻🇦 603 142 1 Sep 2023 251st canissimia 🇦🇶 602 145 9 Sep 2023 251st SB-945 602 145 12 Sep 2025 253rd lyphyser 602 174 8 Sep 2023 254th emgordon154 600 105 21 days ago 255th SirBogman 🇺🇸 600 149 20 Jan 2024 256th SirBogman 🇺🇸 600 204 21 Sep 2023 257th GrayJoKing 🇦🇺 596 150 16 Jan 2024 258th emgordon154 596 283 10 Jan 2025 259th annaproxy 595 318 1 Sep 2023 260th inventshah 593 249 3 Sep 2023 261st MeWhenI 🇻🇦 591 246 11 Oct 2023 262nd juliusgeo 590 148 17 Sep 2023 262nd 5cw 🇺🇸 590 148 17 Jul 2025 264th dcgjb 589 141 5 Jun 2024 265th emgordon154 587 348 30 Aug 2024 266th duckyluuk 🇳🇱 583 570 13 Jun 2025 267th AdrienHache 🇫🇷 581 143 2 Jan 2024 268th MeWhenI 🇻🇦 581 154 17 Jan 2024 269th GrayJoKing 🇦🇺 578 151 15 Nov 2023 269th yzhs 🇩🇪 578 151 24 Mar 2024 271st janbehrens 🇩🇪 578 232 30 Dec 2023 272nd Yax42 🇫🇷 577 238 20 Jun 2025 273rd Yewzir 🇧🇪 576 577 18 Dec 2024 274th FlorianCassayre 🇫🇷 574 152 18 Sep 2023 274th Seek64 🇩🇪 574 152 5 Jun 2024 276th jared-hughes 571 185 7 Sep 2023 276th stefangimmillaro 571 185 30 Sep 2024 278th snoozingnewt 🇺🇸 570 157 10 days ago 279th MeWhenI 🇻🇦 567 154 1 Sep 2023 280th Argeento 🇵🇱 565 187 4 Oct 2023 281st MeWhenI 🇻🇦 563 186 15 Sep 2025 282nd jmerle 🇳🇱 562 760 1 Sep 2023 283rd dokutan 557 767 12 Jan 2024 283rd error256 557 767 7 Jul 2024 283rd KatieLG 🇬🇧 557 767 31 Jul 2024 283rd Shanethegamer 🇺🇸 557 767 11 May 2025 283rd snoozingnewt 🇺🇸 557 767 15 days ago 288th snoozingnewt 🇺🇸 556 157 10 days ago 289th CaedenHarper 🇨🇦 554 189 10 Sep 2025 290th Steffan153 🇫🇮 553 241 20 Jul 2024 291st ndren 550 777 1 Sep 2023 292nd bricknellj 549 159 23 Apr 2025 293rd tobeannouncd 548 352 20 Dec 2024 294th MeWhenI 🇻🇦 546 782 1 Sep 2023 294th msbranicky 546 782 15 Sep 2023 294th KatieLG-Transpiler 🇬🇧 546 782 18 Nov 2023 294th HumanoidCPU 546 782 28 May 2024 294th Mabeloid 🇳🇴 546 782 21 Sep 2024 294th CaedenHarper 🇨🇦 546 782 22 Jan 2025 300th ovs-code 🇩🇪 544 122 3 Sep 2023 First Prev 226–300 of 1,270 Next Last