String manipulation

Encryption/Decryption of Enigma Machine

Create the longest sequence of 1s

Prefix code

7-segment scanner

TicTacToe

Bulk Email Generator

Card Counting when easily distracted

Organic Compounds 🔬

Rectangular block spinner

Unique Prefixes

Create 'Turn Here' Signs

Frame the picture

Auto pickup

Word Search for Programmers

The broken editor

Substitution Encoding

Caesar is the chief

Nicholas Breakspeare and Hugh of Evesham

Where's Wally

You are the Father: Maury Povich Style

NATO-alphabet's odd uncles

Insert to String

Tricky Number Verifier

Magic String

Make an Atari Font

In Stereo

Messed up mosaics

Match DNA Sequence

anagram to break the code !

Saving Snoopy

What 🌼 is 🌷 your 🌸 garden 💐 worth?

Furlongs per Fortnight

Interstellar

Tabloid Couple-Names 💕

deus Hex machina

Square Spiral for Alien Contact 👽

Video Assistant Referee

The alien business of cows

Fix the networks

ASCII Worms

Text alignment

Anagrams

Army ants

Reversed Look-and-say

Dynamic sorting

Rearrange string to two numbers

Valid brackets in code

if then else

Fix the spaces

Place the Parenthesis

Cooking passion

Fishing With A Stick

Frequency-Based Decryption

Source Code Analyser

Self Checkout Machine

Decimal numbers to floating numbers

Needle in a haystack

3D printer

Frog Exchange

ASCII Snakes

Chain Reaction

Fibonomials

Breaking Apart

24: The Long Game

8086 Assembler, part I

Simple Pascal (PL/0) Compiler