The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
Poker in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 321st Mabeloid 🇳🇴 619 388 1,053ms 17 Sep 2024 322nd InigoK 🇺🇸 619 416 17ms 23 Aug 2025 323rd warmCabin 618 417 2ms 2 Jan 2026 324th janbehrens 🇩🇪 615 419 2ms 30 Oct 2023 325th MeWhenI 🇻🇦 615 553 3ms 11 Sep 2022 326th fitzdotlol 🇺🇸 614 354 38ms 27 Jan 2022 327th namelessiw 613 439 535ms 30 Jul 2024 328th guilhem-roy 🇫🇷 612 421 30ms 3 Mar 2022 328th nullie 612 421 18ms 8 Oct 2024 328th BREMAUCY 🇫🇷 612 421 23ms 27 Aug 2025 328th CaedenHarper 🇨🇦 612 421 17ms 6 Nov 2025 332nd JRaspass 🇬🇧 610 333 239ms 4 Dec 2020 333rd bknower 610 422 13ms 30 Jun 2025 334th coreynash 609 407 15ms 2 Feb 2024 335th Shanethegamer 🇺🇸 609 497 350ms 27 Oct 2023 336th CaedenHarper 🇨🇦 605 397 684ms 6 Nov 2025 337th adamnielson42 🇺🇸 598 431 11ms 3 Apr 2023 338th MeWhenI 🇻🇦 595 651 51ms 17 May 2023 339th commandz0 🇺🇸 593 405 942ms 1 Sep 2025 340th za3k 592 435 11ms 16 Oct 2022 341st marcin7Cd 591 436 22ms 14 Dec 2020 342nd MeWhenI 🇻🇦 590 655 45ms 12 Jul 2025 343rd albanian-laundromat 589 408 972ms 12 Sep 2025 344th BBoehm 🇩🇪 588 421 15ms 10 Feb 2021 345th yzhs 🇩🇪 588 542 171ms 26 Jun 2023 346th itsh01 587 422 15ms 4 May 2022 347th SB-945 585 440 24ms 12 Apr 2024 348th MeWhenI 🇻🇦 584 404 12ms 13 Aug 2024 349th MeWhenI 🇻🇦 583 425 12ms 1 Jul 2023 350th wrhm 583 442 17ms 14 Dec 2020 351st orthoplex 🇨🇽 582 335 43ms 8 Oct 2020 352nd Lv0Sys 🇵🇱 581 373 849ms 2 Dec 2025 353rd Bonjour27891 🇻🇳 580 444 19ms 19 Mar 2022 354th hemphen 580 464 456ms 25 Aug 2022 355th AstroOrbis 578 446 10ms 15 Feb 2026 356th tobeannouncd 577 553 175ms 9 Jan 2024 357th elgan65536 🇺🇸 576 529 361ms 6 Jul 2024 358th TimCurwick 🇺🇸 573 437 288ms 26 Jan 2021 359th alangodfrey 571 451 11ms 31 Jan 2019 359th CedricGebistorf 571 451 11ms 4 May 2023 361st roguh 🇬🇹 569 453 13ms 11 Jan 2024 361st luuumine 🇫🇷 569 453 21ms 24 Nov 2025 363rd janbehrens 🇩🇪 568 462 6ms 28 Oct 2023 364th thomasklunker 567 454 18ms 3 Feb 2023 365th MeWhenI 🇻🇦 566 475 534ms 8 Dec 2022 366th vcc-krisztian-bedo 566 535 370ms 26 Feb 2021 367th MeWhenI 🇻🇦 566 944 14ms 20 Jun 2025 368th jfallon1997 564 457 11ms 17 Aug 2022 368th keegan-t 🇨🇦 564 457 19ms 16 Sep 2023 370th MichalMarsalek 🇨🇿 563 567 453ms 5 Nov 2022 371st sambirnbaum1 562 458 14ms 6 Sep 2019 371st croc54 562 458 21ms 4 Feb 2025 371st Emutis 🇱🇹 562 458 12ms 6 Sep 2025 374th masterada 562 538 406ms 20 Feb 2021 375th edsrzf 🇳🇿 558 499 4,247ms 26 Oct 2024 376th RockOfStone 558 543 2ms 9 Mar 2024 377th MeWhenI 🇻🇦 557 426 206ms 13 Dec 2022 378th CaedenHarper 🇨🇦 556 432 2,142ms 6 Nov 2025 379th jeff-at-tamer-dot-codes 🇺🇸 556 463 19ms 5 Feb 2024 380th rsgray 554 465 16ms 10 Feb 2024 381st cros107 🇦🇺 550 468 21ms 8 Feb 2025 382nd MeWhenI 🇻🇦 546 563 37ms 17 Jun 2022 383rd BambooleanLogic 🇸🇪 544 455 14ms 14 Nov 2022 384th MeWhenI 🇻🇦 543 442 2,051ms 15 Sep 2025 385th Natanaelel 🇸🇪 542 401 39ms 22 Sep 2022 386th jtaxen 541 476 21ms 23 May 2024 387th MeWhenI 🇻🇦 538 403 744ms 15 Feb 2023 388th emgordon154 538 438 5ms 6 Aug 2025 389th MeWhenI 🇻🇦 537 462 130ms 15 Oct 2022 390th alexkunin 536 462 15ms 4 Jul 2019 391st b97tsk 536 565 365ms 26 Apr 2020 392nd ChristophHornung 534 504 441ms 21 Nov 2021 393rd StefanHabel 🇨🇦 532 484 18ms 25 days ago 394th MeWhenI 🇻🇦 531 556 1,024ms 21 Mar 2024 395th DialFrost 🇸🇬 528 411 975ms 24 May 2024 396th xkacer 🇨🇿 528 488 19ms 31 Jan 2021 396th mbittner20 528 488 12ms 27 May 2023 398th postie77 527 510 488ms 19 May 2023 399th MeWhenI 🇻🇦 526 755 1,645ms 26 Aug 2023 400th TheZwierzLF 🇵🇱 523 459 1,023ms 13 Dec 2025 First Prev 321–400 of 575 Next Last
