Reverse Polish Notation 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 Umka 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 601st brimstonetrader 643 206 21 Jan 2024 602nd betaveros 641 117 31 Dec 2022 602nd DayDun 🇸🇪 641 117 22 Jan 2023 602nd KasperKivimaeki 🇫🇮 641 117 1 Jul 2025 605th nwellnhof 🇩🇪 640 62 4 Jun 2022 605th KL-Lru 640 62 29 Dec 2022 605th Natanaelel 🇸🇪 640 62 9 Dec 2023 608th ovs-code 🇩🇪 640 105 27 Oct 2023 609th not-a-pokemon 640 181 5 Jul 2025 610th jupj 🇫🇮 637 182 16 Sep 2022 610th jared-hughes 637 182 9 Jan 2023 612th MiffOttah 637 214 28 Nov 2024 613th DialFrost 🇸🇬 637 287 29 May 2025 614th Florian-Mt 636 115 27 Oct 2023 615th bizy-coder 636 118 6 Aug 2023 615th Rubiksmath 636 118 7 Aug 2023 615th StefanHabel 🇨🇦 636 118 4 Sep 2023 618th NickTheEASDude 🇺🇸 636 154 18 Sep 2024 619th Shanethegamer 🇺🇸 635 184 6 Sep 2024 620th Yewzir 🇧🇪 635 211 9 Feb 2023 621st edsrzf 🇳🇿 634 175 10 Jun 2025 622nd jared-hughes 632 221 9 Jan 2023 623rd GolfingSuccess 🇬🇷 631 163 3 days ago 624th Frowny 630 119 13 Feb 2022 624th prplz 🇦🇺 630 119 13 Feb 2022 624th bricknellj 630 119 14 Feb 2023 624th bzijlema 🇳🇱 630 119 18 Sep 2024 628th emgordon154 629 93 7 Aug 2024 629th stefangimmillaro 628 133 2 Jul 2023 630th tomh1012 628 217 17 Nov 2023 631st dokutan 627 190 12 Jul 2024 632nd JRaspass 🇬🇧 626 292 18 May 2022 633rd SirBogman 🇺🇸 625 92 23 Apr 2022 634th TobyBoyne 🇬🇧 625 120 18 Feb 2022 634th OllieBoyne 🇬🇧 625 120 18 Feb 2022 634th petroselo 625 120 12 Apr 2022 634th inventshah 625 120 15 Nov 2022 634th CaedenHarper 🇨🇦 625 120 27 Dec 2024 639th MeWhenI 🇻🇦 623 108 15 Feb 2023 640th ovs-code 🇩🇪 622 94 17 Apr 2025 640th rucin93 🇵🇱 622 94 13 Jun 2025 642nd ChiefChippy2 620 64 12 Feb 2022 642nd GrayJoKing 🇦🇺 620 64 13 Feb 2022 644th primo-ppcg 🇹🇭 620 121 4 Mar 2022 644th EnTerr 620 121 8 Sep 2024 646th Beariish 620 158 27 Mar 2025 647th elPossenreisser 620 220 6 May 2022 648th madex 🇩🇪 617 188 10 Apr 2022 649th ahmetdemirag 🇨🇾 615 122 15 Jul 2024 650th janAkali 🇷🇺 615 208 9 Oct 2024 651st sean-niemann 🇺🇸 614 102 6 Jun 2023 652nd targrik 614 136 3 days ago 653rd annaproxy 614 222 29 Mar 2022 654th AlephSquirrel 612 108 21 Jan 2024 654th fuzzylojik-golf 🇺🇸 612 108 8 days ago 656th emgordon154 612 219 28 May 2025 657th adlerzei 611 223 5 May 2022 658th xiBread 🇺🇸 610 65 15 Apr 2022 659th efgen 610 120 28 Dec 2023 660th jared-hughes 610 123 8 Sep 2022 660th quimey 610 123 4 Jul 2023 660th htareque 610 123 17 Oct 2023 663rd IISResetMe 609 95 6 Mar 2024 664th msbranicky 609 300 31 Aug 2023 665th wackbyte 609 306 7 Dec 2023 666th Shanethegamer 🇺🇸 602 232 16 Feb 2022 667th scpchicken 🇵🇼 601 66 13 Feb 2022 668th bizy-coder 601 110 16 Jan 2024 668th MeWhenI 🇻🇦 601 110 24 May 2024 668th CaedenHarper 🇨🇦 601 110 27 Dec 2024 671st RockOfStone 601 163 14 Mar 2024 672nd emgordon154 601 310 6 Mar 2025 673rd RYNO8 600 125 16 Aug 2022 674th MeWhenI 🇻🇦 600 174 15 Oct 2023 675th bac0id 599 233 27 Jun 2024 Prev 601–675 of 1,074 Next