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 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 p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 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 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 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 Submitted 451st Shanethegamer 🇺🇸 745 180 493ms 14 Jul 2023 452nd Shanethegamer 🇺🇸 744 172 624ms 21 Feb 2023 453rd HallMatthew314 744 178 136ms 13 Sep 2022 454th MeWhenI 🇻🇦 744 214 333ms 14 Aug 2023 455th cakular 743 101 12ms 19 May 2024 456th retrohun 742 81 12ms 15 Dec 2023 457th DialFrost 🇸🇬 742 110 93ms 21 Jun 2025 458th FlyingPenguin223 742 132 3ms 17 Feb 2025 459th vgamula 🇺🇦 741 226 33ms 6 Nov 2023 460th DialFrost 🇸🇬 740 99 9ms 24 Dec 2024 461st MeWhenI 🇻🇦 740 110 1,086ms 11 May 2023 462nd scpchicken 🇵🇼 739 57 1,218ms 13 Feb 2022 462nd SirBogman 🇺🇸 739 57 1,752ms 23 Jan 2024 464th primo-ppcg 🇹🇭 737 54 36ms 14 Feb 2022 464th janlelis 737 54 67ms 21 Sep 2024 464th ovs-code 🇩🇪 737 54 38ms 27 Dec 2024 464th sean-niemann 🇺🇸 737 54 42ms 3 Aug 2025 468th AlephSquirrel 737 140 6ms 25 Jan 2025 469th Shanethegamer 🇺🇸 737 248 280ms 20 Apr 2022 470th neel11235813 736 102 13ms 16 Jan 2023 471st zacjl 735 47 3ms 22 Jan 2025 471st GrayJoKing 🇦🇺 735 47 4ms 5 Jun 2025 473rd DialFrost 🇸🇬 735 99 2,069ms 5 Sep 2025 474th tailorspy 735 190 72ms 1 Jun 2024 475th hemphen 734 186 335ms 20 Oct 2022 476th MeWhenI 🇻🇦 734 249 264ms 7 Jul 2023 477th DialFrost 🇸🇬 733 82 31ms 23 Apr 2025 478th clockworknazo 732 84 18ms 13 Oct 2022 478th ovs-code 🇩🇪 732 84 20ms 7 Feb 2023 480th chasewalden 732 100 10ms 24 Apr 2023 480th MeWhenI 🇻🇦 732 100 11ms 3 Aug 2024 480th Salutations45 732 100 15ms 12 Nov 2024 483rd inventshah 732 182 3ms 14 Sep 2022 484th DialFrost 🇸🇬 730 218 494ms 24 Sep 2025 485th DialFrost 🇸🇬 729 103 11ms 19 Dec 2022 486th annaproxy 729 141 42ms 14 Dec 2022 487th nullie 729 256 217ms 11 Mar 2025 488th HPWiz 🇳🇿 728 39 5ms 23 Nov 2023 489th dokutan 728 91 440ms 14 Sep 2024 490th Shanethegamer 🇺🇸 728 183 4ms 11 Sep 2022 491st Natanaelel 🇸🇪 726 58 1,111ms 13 Feb 2022 492nd ChiefChippy2 725 101 10ms 12 Feb 2022 492nd Frowny 725 101 45ms 16 Feb 2022 492nd fitzdotlol 🇺🇸 725 101 9ms 8 Mar 2022 492nd neel11235813 725 101 10ms 17 Mar 2024 492nd madex 🇩🇪 725 101 13ms 9 Jul 2024 492nd wh3n3v3r 🇨🇿 725 101 11ms 8 Nov 2024 498th GolfingSuccess 🇬🇷 724 184 3ms 11 Sep 2022 499th antimon2 🇯🇵 723 93 771ms 13 Feb 2022 500th syntax-rules 723 193 377ms 25 Dec 2022 501st Shanethegamer 🇺🇸 723 220 374ms 24 Sep 2025 501st sean-niemann 🇺🇸 723 220 464ms 24 Sep 2025 503rd ovs-code 🇩🇪 722 113 110ms 2 Jul 2025 504th snoozingnewt 🇺🇸 721 92 507ms 25 days ago 505th GolfingSuccess 🇬🇷 720 194 431ms 14 Feb 2022 506th inventshah 718 102 10ms 13 Feb 2022 506th smclaughlin-cf 718 102 9ms 4 Mar 2025 506th Lv0Sys 🇵🇱 718 102 11ms 1 Jun 2025 509th MeWhenI 🇻🇦 718 166 159ms 17 Nov 2022 510th Shanethegamer 🇺🇸 718 190 390ms 9 Apr 2025 511th Frowny 716 185 160ms 18 Mar 2022 512th Yax42 🇫🇷 715 191 362ms 26 Jul 2025 513th Shanethegamer 🇺🇸 715 261 295ms 30 Apr 2022 514th emgordon154 714 137 18ms 26 Sep 2024 515th stefangimmillaro 714 256 45ms 3 Jan 2023 516th GolfingSuccess 🇬🇷 712 163 2ms 5 Dec 2022 517th JGDoerrer 712 262 257ms 29 Jun 2022 518th JayXon 🇺🇸 711 56 38ms 23 Feb 2025 518th pardouin 🇫🇷 711 56 80ms 12 Sep 2025 520th daniel-pedersen 🇸🇪 711 103 11ms 6 Mar 2022 520th Heathcorp 🇦🇺 711 103 8ms 27 Apr 2022 520th FortuiteMan 🇫🇷 711 103 10ms 10 Oct 2024 520th SiBeepBoop 711 103 15ms 15 Apr 2025 524th kg583 🇺🇸 711 145 7ms 9 Jun 2025 525th stefangimmillaro 711 192 401ms 10 Oct 2023 First Prev 451–525 of 1,113 Next Last