- Acronym
- Affine Cipher
- All Your Base
- Allergies
- Alphametics
- Anagram
- Armstrong Numbers
- Atbash Cipher
- Bank Account
- Beer Song
- Binary Search Tree
- Binary Search
- Bob
- Book Store
- Bowling
- Change
- Circular Buffer
- Clock
- Collatz Conjecture
- Complex Numbers
- Connect
- Crypto Square
- Custom Set
- D&D Character
- DOT DSL
- Darts
- Diamond
- Difference Of Squares
- Diffie Hellman
- Dominoes
- ETL
- Flatten Array
- Food Chain
- Forth
- Gigasecond
- Go Counting
- Grade School
- Grains
- Grep
- Hamming
- Hangman
- Hello World
- High Scores
- House
- ISBN Verifier
- Isogram
- Kindergarten Garden
- Knapsack
- Largest Series Product
- Leap
- Ledger
- Linked List
- List Ops
- Luhn
- Markdown
- Matching Brackets
- Matrix
- Meetup
- Minesweeper
- Nth Prime
- OCR Numbers
- POV
- PaaS I/O
- Palindrome Products
- Pangram
- Perfect Numbers
- Phone Number
- Pig Latin
- Poker
- Prime Factors
- Protein Translation
- Pythagorean Triplet
- Queen Attack
- RNA Transcription
- Rail Fence Cipher
- Raindrops
- Rational Numbers
- React
- Rectangles
- Resistor Color Duo
- Resistor Color
- Rest API
- Reverse String
- Robot Name
- Robot Simulator
- Roman Numerals
- Rotational Cipher
- Run length Encoding
- SGF Parsing
- Saddle Points
- Satellite
- Say
- Scale Generator
- Scrabble Score
- Secret Handshake
- Series
- Sieve
- Simple Cipher
- Simple Linked List
- Space Age
- Spiral Matrix
- Sublist
- Sum Of Multiples
- Tournament
- Transpose
- Tree Building
- Triangle
- Twelve Days
- Two Bucket
- Two Fer
- Variable Length Quantity
- Word Count
- Word Search
- Wordy
- Yacht
- Zebra Puzzle
- Zipper