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 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 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 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 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 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 601st helbling 🇨🇭 260 242 2ms 25 Jul 2024 602nd Shanethegamer 🇺🇸 259 781 22ms 1 Sep 2023 602nd KatieLG 🇬🇧 259 781 22ms 2 Sep 2023 602nd KatieLG-Transpiler 🇬🇧 259 781 21ms 2 Sep 2023 602nd snoozingnewt 🇺🇸 259 781 22ms 5 Sep 2023 602nd vgamula 🇺🇦 259 781 22ms 6 Sep 2023 602nd HumanoidCPU 259 781 22ms 16 Apr 2024 602nd Mabeloid 🇳🇴 259 781 21ms 21 Sep 2024 602nd dokutan 259 781 23ms 18 Oct 2024 602nd CaedenHarper 🇨🇦 259 781 25ms 22 Jan 2025 611th ndren 259 782 28ms 20 Jan 2025 612th Martymoose98 258 244 2ms 30 May 2025 613th JunkIce 258 338 13ms 13 Feb 2025 614th msbranicky 255 594 89ms 1 Sep 2023 615th 1231234md5 🇨🇳 254 344 19ms 12 Dec 2023 616th blaztoma 🇱🇹 254 540 380ms 6 Sep 2025 617th rak1507 🇬🇧 252 347 50ms 1 Sep 2023 618th Shanethegamer 🇺🇸 252 782 66ms 1 Sep 2023 618th HumanoidCPU 252 782 76ms 27 May 2024 618th dokutan 252 782 80ms 30 Jul 2024 618th Mabeloid 🇳🇴 252 782 79ms 21 Sep 2024 618th CaedenHarper 🇨🇦 252 782 67ms 22 Jan 2025 623rd dokutan 251 588 353ms 24 Sep 2025 624th KatieLG 🇬🇧 251 712 3ms 22 Aug 2024 625th dokutan 249 422 71ms 22 Jun 2025 626th KatieLG 🇬🇧 249 792 71ms 2 Sep 2023 627th gigaprofisi 🇺🇸 248 254 3ms 16 Jul 2025 628th KatieLG 🇬🇧 246 430 11ms 5 Oct 2025 629th kallmi28 🇨🇿 244 258 2ms 8 Nov 2023 630th msbranicky 244 596 2ms 10 Oct 2023 631st dokutan 244 791 141ms 18 Oct 2024 632nd KatieLG-Transpiler 🇬🇧 244 809 663ms 2 Sep 2023 633rd MeWhenI 🇻🇦 243 779 9ms 1 Sep 2023 633rd Shanethegamer 🇺🇸 243 779 9ms 1 Sep 2023 633rd HumanoidCPU 243 779 10ms 16 Apr 2024 633rd Mabeloid 🇳🇴 243 779 14ms 21 Sep 2024 633rd dokutan 243 779 10ms 18 Oct 2024 633rd CaedenHarper 🇨🇦 243 779 10ms 22 Jan 2025 639th Shanethegamer 🇺🇸 243 795 111ms 1 Sep 2023 639th KatieLG 🇬🇧 243 795 129ms 2 Sep 2023 639th KatieLG-Transpiler 🇬🇧 243 795 122ms 2 Sep 2023 639th msbranicky 243 795 107ms 11 Sep 2023 639th HumanoidCPU 243 795 146ms 16 Apr 2024 639th Mabeloid 🇳🇴 243 795 110ms 21 Sep 2024 639th CaedenHarper 🇨🇦 243 795 163ms 21 Jan 2025 646th yzhs 🇩🇪 242 260 2ms 24 Mar 2024 647th msbranicky 242 637 6ms 1 Sep 2023 648th snoozingnewt 🇺🇸 242 798 139ms 4 Sep 2023 649th LostSyntax21 🇬🇧 241 363 32ms 11 days ago 650th MeWhenI 🇻🇦 241 800 141ms 1 Sep 2023 651st FortuiteMan 🇫🇷 237 368 44ms 11 Sep 2023 652nd msbranicky 237 625 300ms 1 Sep 2023 653rd msbranicky 237 678 2,010ms 17 Sep 2025 654th KatieLG 🇬🇧 237 797 9ms 2 Sep 2023 654th KatieLG-Transpiler 🇬🇧 237 797 10ms 2 Sep 2023 656th roguh 🇬🇹 235 268 2ms 23 Jan 2024 657th cbrt-x 235 821 130ms 9 Oct 2023 658th bac0id 234 587 342ms 9 Jan 2025 659th annaproxy 233 270 2ms 1 Sep 2023 660th tomh1012 233 590 325ms 9 Nov 2023 661st Maximizer02 231 578 6ms 22 Mar 2024 662nd msbranicky 231 635 270ms 1 Sep 2023 663rd AbhilashaTandon 230 380 19ms 21 Sep 2023 664th Shanethegamer 🇺🇸 229 448 391ms 1 Sep 2023 665th Shanethegamer 🇺🇸 228 783 2ms 1 Sep 2023 665th theunofficialcoder 228 783 2ms 21 Jan 2024 665th Mabeloid 🇳🇴 228 783 2ms 21 Sep 2024 665th CaedenHarper 🇨🇦 228 783 2ms 22 Jan 2025 669th KatieLG-Transpiler 🇬🇧 227 787 2ms 2 Sep 2023 670th dokutan 226 324 3ms 13 Nov 2024 671st voytxt 🇨🇿 226 609 328ms 4 Nov 2024 672nd msbranicky 223 617 404ms 8 Sep 2023 673rd eiburns 221 285 2ms 6 Nov 2023 674th dokutan 221 427 92ms 2 Apr 2024 675th KatieLG-Transpiler 🇬🇧 221 802 2ms 2 Sep 2023 First Prev 601–675 of 1,279 Next Last