- IDEA: Data (De)Compressor
- IDEA: Text File (De)Compressor
- IDEA: Tetris
- IDEA: Programming language translator
- IDEA: Tic-Tac-Toe
- IDEA: Nibbles
- IDEA: Alarm Clock
- IDEA: HTML Analyzer
- IDEA: Search And Replace
- IDEA: Code Beautifier
- IDEA: Quiz Machine
- IDEA: MP3 Playlist file editor (M3U)
- IDEA: LISP Interpreter
- IDEA: A basic drawing program
- IDEA: Perfect number finder
- IDEA: Hex Editor
- IDEA: Hangman
- IDEA: A Slot Machine (aka a fruit machine)
- IDEA: A card game
- IDEA: An accounting program
- IDEA: Obfuscate a common program as much as possible
- IDEA: Redo a common program in a creative way
- IDEA: Turing Machine
- IDEA: ASCII graphics engine
- IDEA: Maze Generator
- IDEA: Story Generator
- The Fifth Contest - Nibbles -- Sign Up
- Suggetions