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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 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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 526th ovs-code 🇩🇪 829 34 4 Jan 2024 527th emgordon154 829 93 26 May 2025 528th MeWhenI 🇻🇦 828 152 10 Feb 2023 529th stefangimmillaro 826 127 4 Jun 2025 530th Steffan153 🇫🇮 825 73 29 Aug 2024 531st SirBogman 🇺🇸 824 99 20 Feb 2024 531st jared-hughes 824 99 18 Sep 2024 531st Herbert00709 🇵🇱 824 99 4 Apr 2025 534th DialFrost 🇸🇬 823 50 26 days ago 535th MeWhenI 🇻🇦 823 116 21 Jul 2023 536th neel11235813 822 31 16 Feb 2023 536th MeWhenI 🇻🇦 822 31 16 Apr 2023 536th o0lit3 🇺🇸 822 31 7 Jun 2023 539th nstearns96 🇬🇧 822 57 10 Jan 2023 539th bricknellj 822 57 7 Mar 2023 539th janbehrens 🇩🇪 822 57 17 Jun 2023 539th ListeriaM 822 57 19 Aug 2023 539th FlorianCassayre 🇫🇷 822 57 18 Sep 2023 539th shelerr 822 57 9 Jan 2024 539th glassala 822 57 25 Dec 2024 546th primo-ppcg 🇹🇭 820 67 25 Nov 2021 547th primo-ppcg 🇹🇭 819 33 6 Dec 2020 548th DialFrost 🇸🇬 819 56 24 Mar 2025 549th MeWhenI 🇻🇦 819 121 15 Jul 2023 550th GrayJoKing 🇦🇺 819 143 12 Jan 2023 551st Natanaelel 🇸🇪 816 46 20 Feb 2023 552nd inventshah 814 59 12 Jun 2022 552nd GeorgeStechman 🇬🇧 814 59 20 Jun 2022 552nd two-bad 🇬🇧 814 59 17 Dec 2023 555th btnlq 814 74 6 Nov 2022 555th sisyphus-ppcg 🇦🇺 814 74 29 Aug 2024 557th MeWhenI 🇻🇦 812 68 28 Oct 2021 558th MeWhenI 🇻🇦 811 109 29 Apr 2025 559th jslip 808 35 4 Sep 2018 559th cure-honey 🇯🇵 808 35 15 Jun 2021 559th yzhs 🇩🇪 808 35 21 Jun 2022 562nd guliyevemil1 🇦🇿 808 58 16 Apr 2020 562nd albanian-laundromat 808 58 25 Jun 2025 564th DialFrost 🇸🇬 808 68 23 Aug 2024 565th m-tkach 🇺🇦 808 101 15 Dec 2022 566th CaedenHarper 🇨🇦 807 51 15 days ago 567th sean-niemann 🇺🇸 807 130 8 Jun 2025 568th AdrienHache 🇫🇷 803 110 16 Jan 2025 569th jacobly0 🇺🇸 801 102 10 Oct 2023 570th HPWiz 🇳🇿 800 25 26 Jul 2022 571st rambox11 800 60 5 Feb 2019 571st MeWhenI 🇻🇦 800 60 31 Jul 2023 573rd MeWhenI 🇻🇦 800 102 15 Jul 2023 574th error256 796 69 23 Aug 2024 575th MeWhenI 🇻🇦 796 135 15 Jul 2023 576th cure-honey 🇯🇵 796 167 11 Jul 2021 577th jacobly0 🇺🇸 796 174 6 days ago 578th ovs-code 🇩🇪 796 249 7 Jul 2024 579th MeWhenI 🇻🇦 795 34 17 Feb 2025 580th Yax42 🇫🇷 795 111 12 Jun 2024 581st SirBogman 🇺🇸 794 48 27 Feb 2024 582nd KatieLG 🇬🇧 794 59 1 Nov 2020 582nd vezzick 794 59 8 Mar 2021 582nd RYNO8 794 59 8 Aug 2021 582nd anter69 🇭🇺 794 59 22 Jan 2022 582nd CarsonChr 🇺🇸 794 59 20 Sep 2022 582nd cingulataluke 794 59 26 Aug 2023 582nd snoozingnewt 🇺🇸 794 59 10 Sep 2023 582nd keelimeguy 🇺🇸 794 59 6 Nov 2023 582nd zwxzwxzwx21 794 59 7 Feb 2024 582nd roupiq 🇵🇱 794 59 18 Apr 2024 582nd HumanoidCPU 794 59 14 Aug 2024 582nd jatloe 794 59 23 Aug 2024 582nd dokutan 794 59 4 Oct 2024 582nd CornerMercury 🇬🇧 794 59 14 Feb 2025 582nd andrewjc2000 794 59 12 Mar 2025 597th DialFrost 🇸🇬 794 263 22 Apr 2025 598th GalladeGuy 🇺🇸 793 103 25 May 2020 599th jared-hughes 793 250 22 Jul 2023 600th jared-hughes 790 77 18 Sep 2024 Prev 526–600 of 3,240 Next