The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 35 hours. Why not try and solve them ahead of time?
Cubes in all languages in chars. 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 Chars Time Submitted 881st Natanaelel 🇸🇪 361 213 126ms 7 Oct 2021 882nd mpogudintrade 360 477 421ms 30 Oct 2023 883rd SirFireball3521 359 214 161ms 8 Mar 2023 884th StardustGogeta 359 263 10ms 17 Nov 2019 884th ValdeQwerty 359 263 12ms 10 Sep 2020 886th unfinishedprogram 359 330 10ms 12 Jul 2024 887th jgbaldwinbrown 359 483 3ms 21 Sep 2021 888th m-tkach 🇺🇦 359 837 2ms 18 May 2022 889th eddvrs 358 264 11ms 22 Dec 2023 890th neel11235813 358 331 11ms 1 Feb 2024 891st Maximizer02 358 414 8ms 30 Jul 2024 892nd alangodfrey 357 265 10ms 30 Jan 2019 892nd ellis-rix 357 265 10ms 23 May 2023 894th Shanethegamer 🇺🇸 357 473 4ms 2 Jul 2023 895th gjh71 🇳🇱 356 265 256ms 27 Dec 2020 896th bbakersmith 356 343 15ms 30 Jul 2021 897th Natanaelel 🇸🇪 355 230 32ms 1 Mar 2025 898th twocatsinatrenchcoat 355 266 10ms 24 Nov 2022 898th l-donovan 355 266 10ms 2 Feb 2024 898th dirckvdende 355 266 10ms 6 Jul 2025 901st sleepyStick 354 267 10ms 11 Mar 2022 901st Rubiksmath 354 267 9ms 29 Sep 2024 903rd zuparnowa 353 268 11ms 11 Feb 2019 903rd henrytranter 353 268 10ms 20 Sep 2019 903rd Dazza314 🇬🇧 353 268 11ms 27 Oct 2020 906th n0es 351 269 10ms 7 Oct 2022 907th UniBlueFerox 350 270 9ms 21 Oct 2020 908th Shanethegamer 🇺🇸 350 348 1,022ms 8 Sep 2021 909th rak1507 🇬🇧 349 271 10ms 26 Nov 2021 910th dillon-duncando 348 272 9ms 4 Oct 2022 910th DrPrettyman 348 272 9ms 25 Jul 2023 910th strogor 348 272 11ms 9 Jun 2025 913th JOrE20 348 862 2ms 4 Dec 2025 914th msbranicky 347 275 406ms 15 Jan 2024 915th dsntzn 🇸🇰 347 342 10ms 10 Aug 2020 916th iznax 347 495 364ms 21 Nov 2021 917th omri2001 345 274 10ms 22 Oct 2022 917th cingulataluke 345 274 10ms 26 Aug 2023 919th KatieLG 🇬🇧 345 773 1,399ms 7 Jul 2025 920th csharpython 344 241 35ms 14 Sep 2025 921st cjdyer 343 554 3,131ms 20 days ago 922nd OppositeShark 341 277 10ms 19 Jul 2022 923rd robertovers 340 278 12ms 1 Oct 2023 924th GeorgeStechman 🇬🇧 340 349 11ms 23 Jun 2022 925th hyvyys 338 280 10ms 11 Sep 2020 925th EyalLitvin 338 280 10ms 25 Nov 2022 925th ztuned 338 280 11ms 26 Jul 2023 925th f-tucker 338 280 9ms 30 May 2024 929th rbertram90 🇬🇧 338 499 4ms 18 Nov 2024 930th matejmatik123 🇸🇰 338 562 1,464ms 12 Jul 2025 931st mukulkesh 335 354 12ms 23 Mar 2023 932nd eiburns 333 284 10ms 26 Jan 2023 932nd Vaekor 333 284 11ms 3 Aug 2023 932nd azka1368 333 284 10ms 24 Nov 2023 935th liviucerchez 333 507 5ms 21 Oct 2023 936th Shanethegamer 🇺🇸 329 286 259ms 14 Sep 2021 937th amollberg 🇸🇪 329 287 22ms 29 Jan 2022 938th stordev 328 288 10ms 26 Feb 2021 939th lewdev 🇺🇸 328 362 10ms 25 Jul 2021 940th MeWhenI 🇻🇦 328 915 2ms 2 Nov 2021 941st Kasci 327 289 22ms 30 Dec 2021 941st hotmanga 327 289 10ms 23 Oct 2023 941st xbxbxb007 327 289 10ms 10 Jan 2024 944th ptforness 327 363 9ms 30 Dec 2022 945th dokutan 327 516 4ms 20 Apr 2025 946th mishak-sys 326 290 10ms 28 Mar 2025 946th Emutis 🇱🇹 326 290 11ms 26 Aug 2025 948th varhammer 326 491 14ms 13 Dec 2023 949th BREMAUCY 🇫🇷 326 527 361ms 30 Jun 2023 950th Trunksistor 🇫🇷 324 292 10ms 11 Apr 2022 951st crizin 🇰🇷 323 614 410ms 9 Sep 2023 952nd dcure73 322 294 9ms 7 Jun 2019 952nd abcdhhhh 322 294 10ms 26 Aug 2024 954th bakkeby 321 536 3ms 29 Sep 2022 955th CarraUjilen 320 294 259ms 26 Jul 2022 955th JPRuskin 🇬🇧 320 294 241ms 11 May 2024 957th Shanethegamer 🇺🇸 320 537 412ms 22 Apr 2022 958th CoolBvll 318 297 10ms 12 Jun 2025 959th dev-kas 317 298 10ms 24 Aug 2025 960th Bishwajit2u 317 374 11ms 17 Sep 2021 First Prev 881–960 of 1,701 Next Last
