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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Waffle3z

    81,166
    83,813
    💎7
    🥇43
    🥈22
    🥉23

    110 / 126 Holes

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    36 / 64 Langs

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    52 / 109 Cheevos

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    3 Referrals

    12 Days of Christmas
    26th 23rd 7th 2nd31st 56th 10th
    99 Bottles of Beer
    23rd 18th 12th 6th27th 49th 10th
    Abundant Numbers
    13th 23rd 8th 5th 53rd 17th
    Abundant Numbers (Long)
    7th
    Arabic to Roman
    💎 32nd
    Arithmetic Numbers
    3rd
    Arrows
    14th 19th 7th
    Ascending Primes
    4th
    ASCII Table
    19th 12th 92nd 4th 41st 13th
    brainfuck
    3rd 39th
    Card Number Validation
    9th
    Catalan Numbers
    9th 20th 5th 3rd 25th 7th
    Catalan’s Constant
    11th 10th 4th 5th 8th
    Christmas Trees
    49th 11th 6th 5th10th 45th 11th
    Collatz
    8th 20th 7th 6th 58th 10th
    CSS Colors
    3rd 14th
    Cubes
    19th 9th 4th 2nd 33rd 10th
    Day of Week
    1st
    Diamonds
    30th 10th 6th 4th22nd 39th 10th
    Divisors
    22nd 25th 15th 1st37th 44th 10th
    Emirp Numbers
    11th 14th 7th 49th 6th20th 179th 63rd 24th
    Emirp Numbers (Long)
    6th 6th
    Emojify
    9th
    Evil Numbers
    26th 17th 8th 17th33rd 140th 25th 23rd
    Evil Numbers (Long)
    4th
    Factorial Factorisation
    5th
    Farey Sequence
    20th
    Fibonacci
    23rd138th 42nd 22nd 305th 1st52nd 825th 64th 17th
    Fizz Buzz
    90th 63rd 82nd 1,046th 1st107th 1,486th 4th 26th
    Foo Fizz Buzz Bar
    10th 16th 8th 11th 10th
    Forsyth–Edwards Notation
    3rd
    Fractions
    111th 1st 292nd 1st
    Game of Life
    10th
    Gijswijt’s Sequence
    2nd
    Happy Numbers
    19th 14th 6th 5th22nd 136th 37th 21st
    Happy Numbers (Long)
    6th 12th 6th 7th 170th 22nd 7th
    Hexdump
    2nd
    Intersection
    65th 💎 253rd 24th
    Inventory Sequence
    7th
    ISBN
    8th 31st
    Jacobi Symbol
    4th
    Kaprekar Numbers
    7th
    Kolakoski Constant
    7th8th8th39th25th 12th22nd12th9th6th17th20th14th3rd10th25th56th15th 7th7th7th14th17th34th 149th14th27th13th7th8th7th9th23rd
    Kolakoski Sequence
    18th 9th 8th 13th 9th 43rd 1st 224th 28th 17th
    Leap Years
    15th 26th 11th 2nd 5th25th 58th 5th 11th
    Levenshtein Distance
    4th 55th
    Leyland Numbers
    6th 13th 5th 2nd 36th 8th
    ln 2
    6th
    Look and Say
    21st 14th 3rd 8th 41st 17th
    Lucky Numbers
    5th 10th 4th 9th 9th
    Lucky Tickets
    3rd 26th
    Maze
    9th
    Medal Tally
    7th
    Morse Decoder
    4th 33rd
    Morse Encoder
    3rd 36th
    Multitap Input
    4th
    Musical Chords
    2nd 21st
    N Queens
    7th
    Niven Numbers
    23rd 25th 7th 1st40th 44th 21st
    Niven Numbers (Long)
    4th
    Number Spiral
    6th 17th 4th 7th 28th 13th
    Odious Numbers
    25th 16th 7th 17th33rd 104th 22nd 23rd
    Odious Numbers (Long)
    4th
    Ordinal Numbers
    11th 50th
    PalindromemordnilaP
    11th
    Pangram Grep
    6th 84th
    Partition Numbers
    14th
    Pascal’s Triangle
    9th 14th 7th 1st22nd 33rd 10th
    Pernicious Numbers
    16th 24th 10th 1st 1st39th 1st 22nd 21st
    Pernicious Numbers (Long)
    11th
    Poker
    2nd
    Polyominoes
    6th
    Prime Numbers
    14th 17th 9th 1st 1st42nd 169th 65th 23rd
    Prime Numbers (Long)
    8th 18th 9th 13th 45th 8th
    Proximity Grid
    3rd
    QR Decoder
    28th 2nd 15th
    Quine
    1st 2nd 15th 32nd 1st 76th 99th
    Recamán
    5th 11th 6th 14th 6th 25th 9th
    Repeating Decimals
    3rd
    Reverse Polish Notation
    10th
    Rijndael S-box
    6th
    Rock-paper-scissors-Spock-lizard
    2nd 17th
    Roman to Arabic
    11th 37th
    ROT13
    4th
    Rule 110
    19th 7th 5th 7th 39th 12th
    Seven Segment
    6th
    SI Units
    💎
    Sierpiński Triangle
    21st 11th 6th 10th 27th 10th
    Smith Numbers
    6th 8th 5th 38th 9th
    Spelling Numbers
    2nd 25th
    Star Wars Opening Crawl
    💎
    Sudoku
    5th
    Sudoku (Fill-in)
    3rd
    Ten-pin Bowling
    2nd 27th
    Tic-tac-toe
    6th
    Time Distance
    3rd
    Tongue-twisters
    9th 16th 6th 4th 37th 12th
    Tower of Hanoi
    26th
    Transpose Sentence
    13th
    United States
    8th
    Vampire Numbers
    7th 7th 4th 37th 8th
    Van Eck Sequence
    5th 8th 6th 42nd 1st 119th 19th 8th
    Zodiac Signs
    5th
    γ
    💎
    λ
    10th12th11th68th40th26th14th27th12th9th8th21st32nd16th6th9th27th101st21st 1st12th9th12th21st46th9th154th16th35th18th12th12th8th10th29th
    π
    13th11th13th108th76th 15th34th15th11th11th23rd49th33rd5th28th57th218th92nd 6th12th8th53rd27th72nd 511th37th52nd22nd10th9th14th9th49th
    τ
    11th10th10th55th42nd 13th31st13th11th8th15th37th19th6th25th43rd113th78th 6th9th8th42nd20th45th 282nd22nd42nd15th10th9th8th9th24th
    φ
    11th41st12th53rd44th 14th37th15th11th10th16th46th30th4th33rd42nd95th74th 9th8th8th39th22nd44th 359th26th50th18th11th9th10th12th23rd
    √2
    18th43rd13th66th51st 13th30th15th11th12th18th52nd31st6th28th62nd108th62nd 6th8th8th39th18th49th 209th20th49th16th11th10th9th14th26th
    𝑒
    12th14th14th80th58th 13th32nd16th13th10th20th43rd33rd6th31st42nd113th76th 9th12th10th41st26th52nd 286th32nd67th26th9th8th12th11th33rd