### 12 Days of Christmas

### 99 Bottles of Beer

### Abundant Numbers

### Arabic to Roman

11^{th}

### Arrows

### brainfuck

### Christmas Trees

6^{th}

### CSS Colors

### Cubes

### Diamonds

### Divisors

### Emirp Numbers

### Emojify

10^{th}

### Evil Numbers

### Fibonacci

### Fizz Buzz

47^{th}

### Fractions

### Happy Numbers

### Happy Numbers (Long)

### Intersection

10^{th}4

^{th}

### Kolakoski Constant

### Kolakoski Sequence

8^{th}

### Leap Years

24^{th}

### Levenshtein Distance

### Leyland Numbers

### Look and Say

10^{th}

### Lucky Tickets

### Morse (Decoder)

### Morse (Encoder)

### Niven Numbers

### Odious Numbers

### Ordinal Numbers

### Pangram Grep

22^{nd}

### Pascal’s Triangle

### Pernicious Numbers

### Poker

### Prime Numbers

### QR Decoder

### Quine

285^{th}

### Recamán

### Rock-paper-scissors-Spock-lizard

7^{th}

### Roman to Arabic

### Rule 110

### Seven Segment

### Sierpiński Triangle

### Spelling Numbers

### Star Wars Opening Crawl

### Sudoku

### Sudoku v2

### Ten-pin Bowling

### Tongue-twisters

3^{rd}