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 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 Topological Sort 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 451st dokutan 375 405 19 Oct 2024 452nd targrik 374 282 7 Feb 2025 453rd Maximizer02 372 578 22 Mar 2024 454th snyderek 🇺🇸 369 228 4 Feb 2025 455th ahmetdemirag 🇨🇾 368 237 19 Feb 2025 456th m42km 364 240 4 Feb 2024 457th MeWhenI 🇻🇦 364 559 16 Aug 2024 458th Natanaelel 🇸🇪 362 195 22 Apr 2025 459th adamnielson42 🇺🇸 361 242 20 Dec 2023 459th madex 🇩🇪 361 242 2 Jul 2024 461st una-ada 🇺🇸 359 294 5 Sep 2023 462nd dokutan 359 364 12 Feb 2025 463rd ZakkkkAttackkkk 🇵🇭 356 177 24 Feb 2025 464th Yewzir 🇧🇪 356 236 27 Jan 2024 465th two-bad 🇬🇧 355 297 22 Feb 2024 466th nstearns96 🇬🇧 352 248 20 Sep 2023 466th cros107 352 248 7 Feb 2025 468th HumanoidCPU 352 300 28 May 2024 469th StinkAndShityAura 350 249 17 Nov 2024 470th msbranicky 350 614 24 Dec 2023 471st janbehrens 🇩🇪 349 241 30 Dec 2023 472nd Ripick 348 343 14 Jul 2024 473rd croc54 343 254 30 Jan 2025 473rd rucin93 🇵🇱 343 254 31 May 2025 475th aaronze 🇦🇺 339 240 22 Sep 2023 476th snoozingnewt 🇺🇸 339 269 11 Feb 2024 477th jacobly0 🇺🇸 337 187 1 Sep 2023 478th mbittner20 337 259 17 Jul 2024 479th KatieLG 🇬🇧 337 526 7 Jun 2025 480th stertooy 🇧🇪 336 260 16 Jun 2024 481st bac0id 333 252 8 Jan 2025 482nd dokutan 330 489 18 days ago 483rd jtaxen 329 265 14 May 2024 484th crizin 🇰🇷 329 534 15 Sep 2023 485th frankgraziano 327 318 11 Apr 2025 486th Jacob385 327 538 4 Aug 2024 487th jared-hughes 325 194 7 Sep 2023 488th msbranicky 325 623 21 Sep 2023 489th yuchuehw 324 269 26 Jan 2024 489th snoozingnewt 🇺🇸 324 269 4 Feb 2024 489th inverseLorentz 🇦🇺 324 269 20 Feb 2024 492nd msbranicky 324 546 1 Sep 2023 493rd msbranicky 324 609 13 Sep 2023 494th scpchicken 🇵🇼 323 326 1 Nov 2023 495th dokutan 322 328 13 Mar 2025 496th IISResetMe 321 313 21 Nov 2023 497th nyoshe 320 197 19 Sep 2023 498th hiichbindermax 320 273 13 Feb 2025 499th dokutan 320 451 4 Oct 2024 500th dokutan 319 528 9 Apr 2025 501st emgordon154 318 379 20 Oct 2024 502nd emplv 🇱🇻 312 259 20 Oct 2023 503rd MeWhenI 🇻🇦 310 773 1 Sep 2023 503rd Shanethegamer 🇺🇸 310 773 1 Sep 2023 503rd snoozingnewt 🇺🇸 310 773 2 Sep 2023 503rd msbranicky 310 773 13 Sep 2023 503rd theunofficialcoder 310 773 7 Jan 2024 503rd KatieLG 🇬🇧 310 773 17 Mar 2024 503rd HumanoidCPU 310 773 16 Apr 2024 503rd Mabeloid 🇳🇴 310 773 21 Sep 2024 503rd CaedenHarper 🇨🇦 310 773 22 Jan 2025 503rd JunkIce 310 773 24 Jan 2025 513th MeWhenI 🇻🇦 309 422 1 Nov 2023 514th elgan65536 304 207 7 Apr 2024 514th madex 🇩🇪 304 207 3 Jul 2024 516th thisishowmymindworks 🇳🇴 303 348 11 Jun 2024 516th hacker112 🇸🇪 303 348 22 Jun 2024 518th msbranicky 303 591 1 Sep 2023 519th bobbysq 300 291 20 May 2024 520th Natanaelel 🇸🇪 297 212 4 Sep 2023 521st brimstonetrader 297 294 10 Jan 2024 522nd MateuszPietrzak 🇵🇱 294 286 17 Jan 2024 523rd CaedenHarper 🇨🇦 293 215 30 Jan 2025 523rd emgordon154 293 215 3 Jun 2025 525th KatieLG 🇬🇧 292 783 2 Sep 2023 Prev 451–525 of 1,194 Next