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 521st KatieLG 🇬🇧 310 773 17 Mar 2024 521st HumanoidCPU 310 773 16 Apr 2024 521st Mabeloid 🇳🇴 310 773 21 Sep 2024 521st CaedenHarper 🇨🇦 310 773 22 Jan 2025 521st JunkIce 310 773 24 Jan 2025 531st emgordon154 309 339 19 hours ago 532nd MeWhenI 🇻🇦 309 422 1 Nov 2023 533rd elgan65536 304 207 7 Apr 2024 533rd madex 🇩🇪 304 207 3 Jul 2024 535th thisishowmymindworks 🇳🇴 303 348 11 Jun 2024 535th hacker112 🇸🇪 303 348 22 Jun 2024 537th msbranicky 303 591 1 Sep 2023 538th bobbysq 300 291 20 May 2024 539th dokutan 299 588 12 hours ago 540th Natanaelel 🇸🇪 297 212 4 Sep 2023 541st brimstonetrader 297 294 10 Jan 2024 542nd dokutan 297 489 21 Jun 2025 543rd emgordon154 294 214 28 hours ago 544th MateuszPietrzak 🇵🇱 294 286 17 Jan 2024 545th CaedenHarper 🇨🇦 293 215 30 Jan 2025 546th KatieLG 🇬🇧 292 783 2 Sep 2023 546th snoozingnewt 🇺🇸 292 783 7 Sep 2023 546th Shanethegamer 🇺🇸 292 783 16 Jan 2024 546th HumanoidCPU 292 783 16 Apr 2024 546th CaedenHarper 🇨🇦 292 783 22 Jan 2025 551st KatieLG-Transpiler 🇬🇧 292 784 2 Sep 2023 551st Mabeloid 🇳🇴 292 784 21 Sep 2024 553rd msbranicky 291 785 20 Sep 2023 554th logvp 289 218 1 Feb 2024 555th Stanbroek 289 291 18 Sep 2023 556th dokutan 289 354 20 Mar 2025 557th Yewzir 🇧🇪 288 219 7 Nov 2023 558th janbehrens 🇩🇪 284 222 30 Dec 2023 559th rifatx 283 223 16 Jul 2024 560th hellwue 281 311 10 Sep 2024 561st codereport 🇨🇦 279 226 18 Apr 2025 562nd mossiegoat 279 313 6 Jun 2025 563rd gastropner 278 227 17 Jul 2025 564th dokutan 276 569 6 Jun 2024 565th dokutan 275 572 24 Oct 2024 565th alphafalfa 275 572 1 Aug 2025 567th aksyristos 272 321 11 Sep 2023 568th dokutan 271 495 10 Apr 2025 569th msbranicky 269 626 12 Sep 2023 570th plcc0 268 326 10 Apr 2025 571st bac0id 267 236 8 Jan 2025 572nd dokutan 267 305 13 Mar 2025 573rd msbranicky 267 590 11 Jan 2025 574th trinityy-7 266 237 10 Oct 2023 575th YAJUE114514 265 329 1 Jul 2025 576th JunkIce 265 338 13 Feb 2025 577th KatieLG 🇬🇧 265 769 11 Aug 2024 577th Shanethegamer 🇺🇸 265 769 11 Aug 2024 577th HumanoidCPU 265 769 13 Aug 2024 577th KatieLG-Transpiler 🇬🇧 265 769 16 Aug 2024 577th Mabeloid 🇳🇴 265 769 21 Sep 2024 577th CaedenHarper 🇨🇦 265 769 22 Jan 2025 583rd tomtheisen 🇺🇸 264 521 13 Feb 2025 584th msbranicky 262 638 1 Sep 2023 585th c0d3-4-F00d 🇩🇪 261 241 4 Dec 2023 585th Mabeloid 🇳🇴 261 241 29 Sep 2024 587th helbling 🇨🇭 260 242 25 Jul 2024 588th msbranicky 259 678 8 Sep 2023 589th Shanethegamer 🇺🇸 259 781 1 Sep 2023 589th KatieLG 🇬🇧 259 781 2 Sep 2023 589th KatieLG-Transpiler 🇬🇧 259 781 2 Sep 2023 589th snoozingnewt 🇺🇸 259 781 5 Sep 2023 589th vgamula 🇺🇦 259 781 6 Sep 2023 589th HumanoidCPU 259 781 16 Apr 2024 589th Mabeloid 🇳🇴 259 781 21 Sep 2024 589th dokutan 259 781 18 Oct 2024 589th CaedenHarper 🇨🇦 259 781 22 Jan 2025 598th ndren 259 782 20 Jan 2025 599th Martymoose98 258 244 30 May 2025 600th JunkIce 258 338 13 Feb 2025 Prev 526–600 of 1,259 Next