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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 825th marcin7Cd 529 142 14ms 20 Feb 2022 827th MeWhenI 🇻🇦 528 317 35ms 6 Jun 2023 828th varhammer 🇷🇺 526 196 6ms 13 Dec 2023 829th janbehrens 🇩🇪 525 128 1,460ms 23 Feb 2022 830th SniperSmiley 🇺🇸 525 143 15ms 8 Jul 2022 830th Europe2048 525 143 25ms 22 Oct 2024 830th moustave 525 143 12ms 7 Apr 2025 833rd MeWhenI 🇻🇦 523 139 759ms 15 Sep 2025 834th randolchance 522 144 17ms 4 Jan 2024 834th roupiq 🇵🇱 522 144 16ms 1 Mar 2024 834th mossiegoat 522 144 15ms 22 Aug 2025 834th Deppyforce 522 144 16ms 13 days ago 838th warmCabin 522 223 2ms 15 Apr 2022 839th MeWhenI 🇻🇦 520 246 350ms 27 Jul 2024 840th postie77 520 263 326ms 19 May 2023 841st Shanethegamer 🇺🇸 519 224 2ms 28 May 2025 842nd MeWhenI 🇻🇦 519 255 165ms 13 Feb 2022 843rd ovs-code 🇩🇪 519 398 13ms 8 Jul 2024 844th LeeCamp 518 145 15ms 14 Feb 2022 844th hellwue 518 145 11ms 7 Feb 2023 844th adamnielson42 🇺🇸 518 145 26ms 8 Oct 2024 844th Mabeloid 🇳🇴 518 145 27ms 4 May 2025 844th te-chnical 518 145 14ms 9 Jul 2025 849th DialFrost 🇸🇬 517 77 36ms 25 Dec 2024 850th karhuthebear 514 146 17ms 6 May 2022 850th Bonjour27891 🇻🇳 514 146 11ms 17 Jul 2022 850th Player01osu 514 146 10ms 28 Oct 2023 853rd nephila-nacrea 🇬🇧 513 79 6ms 20 Feb 2022 854th Bodo171 511 147 17ms 7 Dec 2022 854th vgamula 🇺🇦 511 147 17ms 6 Nov 2023 854th croc54 511 147 15ms 27 Jan 2025 857th Sciman101 510 192 2ms 27 Mar 2025 858th error256 509 51 4ms 6 May 2024 859th MeWhenI 🇻🇦 508 367 232ms 15 Feb 2022 860th davecame 507 148 26ms 18 Sep 2023 861st dokutan 507 193 2ms 13 Jan 2025 862nd rucin93 🇵🇱 504 79 50ms 31 May 2025 863rd HumanoidCPU 503 132 393ms 29 Sep 2024 864th namcartoon06 503 278 2,271ms 30 Jun 2023 865th MeWhenI 🇻🇦 503 370 28ms 14 Feb 2022 866th adamnielson42 🇺🇸 502 146 9ms 2 Jun 2023 867th sleepyStick 501 150 15ms 15 Jul 2022 867th galloj 🇨🇿 501 150 14ms 9 Jan 2023 867th cingulataluke 501 150 10ms 27 Aug 2023 867th CutSandstone 501 150 19ms 8 Jul 2024 871st KatieLG 🇬🇧 501 365 284ms 1 Oct 2022 872nd MeWhenI 🇻🇦 500 117 140ms 3 Aug 2024 873rd msbranicky 499 267 3ms 12 Aug 2023 874th jacklynnepenick 497 151 15ms 15 Feb 2022 874th ssbhatt4321 497 151 18ms 11 Jun 2023 874th thienudomsrirungruang 497 151 19ms 16 Apr 2024 874th 051 🇸🇬 497 151 16ms 1 Aug 2024 874th mishak-sys 497 151 25ms 24 Feb 2025 879th MeWhenI 🇻🇦 497 168 4ms 28 May 2023 880th nyoshe 497 234 2ms 4 Jul 2023 881st MaxElf999 496 321 324ms 20 Aug 2024 882nd edsrzf 🇳🇿 495 160 138ms 12 days ago 883rd MeWhenI 🇻🇦 495 303 46ms 6 Sep 2022 884th bstrat 494 70 3ms 29 May 2024 885th TheBlupper 494 152 16ms 8 Nov 2022 885th yokasuretsu 494 152 14ms 14 Jan 2025 885th islptng 494 152 14ms 14 Oct 2025 888th MeWhenI 🇻🇦 493 236 2ms 25 Aug 2023 888th keelimeguy 🇺🇸 493 236 2ms 5 Nov 2023 890th hjcafaroUC 491 153 14ms 20 Aug 2022 890th LogicalJoe 491 153 10ms 29 Nov 2022 892nd emplv 🇱🇻 491 170 4ms 30 Apr 2024 893rd adamnielson42 🇺🇸 490 58 5ms 10 Jan 2024 894th dokutan 490 232 42ms 26 Aug 2024 895th Schmitt-Very-Cool 490 325 347ms 3 Oct 2025 896th KatieLG-Transpiler 🇬🇧 488 154 90ms 4 Nov 2022 896th stertooy 🇧🇪 488 154 15ms 14 Jun 2024 898th CaedenHarper 🇨🇦 486 82 46ms 13 Sep 2025 899th retrohun 486 129 2ms 6 Nov 2022 899th DialFrost 🇸🇬 486 129 2ms 31 May 2025 First Prev 826–900 of 1,134 Next Last