Tutorial in Java in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st GolfingSuccess 🇬🇷 0 85 937ms 24 Sep 2025 1st edsrzf 🇳🇿 0 85 805ms 24 Sep 2025 1st Shanethegamer 🇺🇸 0 85 837ms 24 Sep 2025 1st sean-niemann 🇺🇸 0 85 847ms 25 Sep 2025 1st snoozingnewt 🇨🇦 0 85 851ms 26 Sep 2025 1st namelessiw 0 85 883ms 29 Sep 2025 1st DialFrost 🇸🇬 0 85 899ms 29 Sep 2025 1st CaedenHarper 🇨🇦 0 85 833ms 4 Oct 2025 1st HumanoidCPU 0 85 950ms 8 Nov 2025 1st m-tkach 🇺🇦 0 85 867ms 9 Nov 2025 1st KasperKivimaeki 🇫🇮 0 85 884ms 1 Dec 2025 1st Nyfii 0 85 858ms 1 Dec 2025 1st marcuswilcour 0 85 791ms 26 Mar 2026 1st Jacob385 0 85 857ms 26 Mar 2026 1st reflogedoc 0 85 807ms 16 days ago 1st Matter1024 🇮🇳 0 85 680ms 13 days ago 17th fuzzylojik-golf 🇺🇸 0 86 841ms 25 Sep 2025 18th emgordon154 0 93 841ms 14 Feb 2026 18th Natanaelel 🇸🇪 0 93 687ms 10 days ago 20th voytxt 🇨🇿 0 94 854ms 25 Sep 2025 21st pixelated-pup 0 106 845ms 6 Oct 2025 21st WildTooth 0 106 870ms 9 Oct 2025 23rd FoxInTheClouds 0 108 826ms 4 Feb 2026 24th h3ra993huskp 🇯🇵 0 110 857ms 30 Nov 2025 25th Nathan-Masala 0 111 906ms 18 days ago 26th stefangimmillaro 0 113 746ms 26 Nov 2024 26th MeWhenI 🇻🇦 0 113 678ms 29 Jan 2025 26th Apataras 0 113 664ms 17 Jun 2025 26th RYSF13 🇨🇳 0 113 672ms 5 Jul 2025 26th Macweese 0 113 633ms 3 Aug 2025 26th TeodorDyakov 🇧🇬 0 113 676ms 7 Sep 2025 26th JOrE20 0 113 1,035ms 25 Nov 2025 33rd Jonson26 0 116 759ms 10 days ago 34th duckyluuk 🇳🇱 0 125 661ms 12 Jan 2025 35th yoshykai 0 126 634ms 27 Mar 2025 36th jusaka 0 135 550ms 10 days ago 37th qpwoeirut 0 137 647ms 7 Feb 2025 38th ravnskjaer 🇩🇰 0 138 713ms 2 Jan 2025 38th mohic 🇧🇪 0 138 701ms 8 Jul 2025 40th joshuaxie8 0 141 701ms 8 Jul 2025 41st squid233 0 144 609ms 16 Feb 2025 42nd Yewzir 🇧🇪 0 145 636ms 11 Mar 2025 43rd PanNessMain 0 160 641ms 10 Mar 2025 44th xyangst 0 165 647ms 14 Feb 2025 45th matejmatik123 🇸🇰 0 171 649ms 16 Aug 2025 46th Benzas01 0 172 714ms 5 Sep 2025 47th DABANANAMAN120 0 175 621ms 26 Jun 2025 48th kennyhorlander 0 184 652ms 18 Apr 2025 49th hollowcrystal 0 187 837ms 21 Jan 2026 50th israeltobias 0 227 915ms 7 Oct 2025 50th Babafaba 0 227 858ms 15 Oct 2025 50th luuumine 🇫🇷 0 227 925ms 16 Oct 2025 50th Openstreetmapler 0 227 871ms 30 Oct 2025 50th Mukundan314 0 227 1,009ms 24 Nov 2025 50th ivan-saratovskii 0 227 924ms 12 Jan 2026 50th Mefred 0 227 863ms 15 Jan 2026 50th FortuiteMan 🇫🇷 0 227 788ms 3 Feb 2026 58th targrik 0 323 665ms 14 Feb 2025 58th gigaprofisi 🇺🇸 0 323 631ms 3 Mar 2025 58th retrohun 0 323 627ms 1 Apr 2025 58th Bpc-CPU 0 323 652ms 12 Jul 2025 58th Vexxter9 🇳🇱 0 323 635ms 21 Aug 2025 1–62 of 62