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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 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 Minesweeper NFA Simulator Odd Polyomino Tiling 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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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 451st NewDefectus 🇮🇱 606 83 4 Dec 2021 451st scpchicken 🇵🇼 606 83 2 Mar 2023 453rd dokutan 605 177 21 Mar 2025 454th b97tsk 605 230 23 Apr 2020 455th jared-hughes 604 91 11 Sep 2022 456th MeWhenI 🇻🇦 604 241 6 Jun 2023 457th SirBogman 🇺🇸 604 391 23 Nov 2022 458th 5cw 🇺🇸 601 129 25 Mar 2024 458th bknower 601 129 29 Jun 2025 460th tomtheisen 🇺🇸 600 157 11 Feb 2025 461st albanian-laundromat 600 251 29 Jun 2025 462nd kumavale 599 254 16 Apr 2021 463rd CaedenHarper 🇨🇦 597 92 7 Sep 2025 464th Deedogg 596 130 20 Nov 2024 465th m-tkach 🇺🇦 595 182 31 Jul 2022 466th c0d3-4-F00d 🇩🇪 594 154 4 Jul 2021 466th kkoenig 594 154 4 Jan 2024 468th MeWhenI 🇻🇦 594 235 21 Jul 2023 469th m-tkach 🇺🇦 593 127 20 Jan 2024 470th primo-ppcg 🇹🇭 592 159 7 Jul 2022 471st CaedenHarper 🇨🇦 592 214 2 days ago 472nd dokutan 591 154 12 Feb 2025 473rd ndren 591 155 4 Jul 2025 474th Waffle3z 591 202 24 Jul 2022 475th sean-niemann 🇺🇸 590 215 11 days ago 476th Gaddy 🇫🇷 588 160 17 May 2022 477th yzhs 🇩🇪 587 132 7 Nov 2020 478th c0d3-4-F00d 🇩🇪 585 161 4 Jul 2023 479th SirBogman 🇺🇸 585 185 3 Jan 2022 480th elgan65536 583 261 5 Mar 2024 481st ccolella-mdc 581 162 13 Oct 2023 482nd SirBogman 🇺🇸 577 221 23 Jul 2022 483rd billings7 🇬🇧 574 164 21 Nov 2021 484th janbehrens 🇩🇪 572 88 16 Jul 2022 485th beirigo 🇧🇷 572 96 3 Sep 2024 486th aliakseikalosha 571 165 6 Sep 2023 487th AlephSquirrel 570 132 21 Jan 2024 488th dokutan 570 190 24 days ago 489th rambox11 567 162 12 Feb 2020 490th croc54 566 137 13 Jan 2025 490th CornerMercury 🇬🇧 566 137 16 Feb 2025 492nd dokutan 564 225 11 days ago 493rd jared-hughes 562 138 16 Jul 2022 493rd janbehrens 🇩🇪 562 138 17 Jun 2023 493rd leon-w 562 138 24 Jul 2024 493rd fourth-bit 562 138 4 Dec 2024 497th yzhs 🇩🇪 562 302 2 Jul 2022 498th dokutan 561 98 22 days ago 499th SirBogman 🇺🇸 559 90 14 Jun 2024 500th AlephSquirrel 558 139 29 Jul 2023 501st stefangimmillaro 557 169 26 Sep 2023 502nd m-tkach 🇺🇦 555 165 31 Jul 2022 503rd iakolzin 555 195 5 Jul 2022 504th arctouch-cristiannevianna 554 170 3 Jul 2023 505th olleicua 🇺🇸 550 100 23 Apr 2025 506th SirBogman 🇺🇸 548 167 2 Jan 2022 507th error256 548 198 4 Jul 2024 508th m-tkach 🇺🇦 547 172 31 Jul 2022 509th SirBogman 🇺🇸 547 179 10 Feb 2020 510th MeWhenI 🇻🇦 547 283 13 Feb 2025 511th FlorianCassayre 🇫🇷 546 142 18 Sep 2023 512th dokutan 545 168 24 days ago 513th janAkali 🇷🇺 545 205 4 Jul 2025 514th JDiLenarda 🇫🇷 543 259 4 Jul 2025 515th MeWhenI 🇻🇦 542 235 8 Mar 2023 516th BambooleanLogic 🇸🇪 541 170 4 Jul 2023 516th peeveen 🇬🇧 541 170 8 Aug 2023 518th boxjelly 539 315 5 Jan 2021 519th retrohun 538 182 31 Jan 2020 520th DaDerpDuck 538 222 18 Jan 2021 521st NerdyMcNerd42 535 145 12 Nov 2022 522nd janbehrens 🇩🇪 535 176 16 Jul 2022 523rd dokutan 535 240 12 Feb 2025 524th betaveros 531 146 9 Nov 2023 524th Bulmenisaurus 531 146 29 Jul 2024 First Prev 451–525 of 1,327 Next Last