Programming · Python
Build a number guessing game in Python
Write a game where the computer picks a number and tells the player "higher" or "lower".
- Beginner
- 1–3 hours
- Free
606 projects · 13 streams · every class
Programming projects 22
Projects that teach a language by building something real: games, tools, automations and small utilities.
22 Programming projects
Programming · Python
Build a Snake game
Program the classic Snake with scoring, growing length and game over.
- Easy
- 2–7 days
- Free
Programming · Java
Build a library management system
Manage books, members, issue and return with fines, backed by a database.
- Intermediate
- 2–4 weeks
- Free
Programming · Python
Make a to-do list app that saves to a file
Build a command-line task manager that adds, completes, deletes and saves tasks between runs.
- Easy
- 2–7 days
- Free
Programming · Python
Automate a boring task with a script
Write a script that renames and sorts a messy folder of files by type and date.
- Easy
- 2–7 days
- Free
Programming · JavaScript
Build a multiplayer tic-tac-toe with an unbeatable computer
Make tic-tac-toe for two players, then add a computer that never loses.
- Intermediate
- 2–7 days
- Free
Programming + Pure Mathematics
Write classic sorting algorithms and race them
Implement bubble, insertion, merge and quick sort and plot how their running time grows.
- Intermediate
- 2–7 days
- Free
Programming + Cybersecurity
Make a file encryption tool
Encrypt and decrypt files with a password using a well-tested library.
- Intermediate
- 2–7 days
- Free
Programming + Systems and Cloud
Build a tiny key-value store in Rust
Write a persistent key-value database with get, set and delete and an append-only log.
- Advanced
- 2–4 weeks
- Free
Programming · Python
Build a calculator with a graphical interface
Make a desktop calculator with buttons, a display and keyboard support.
- Easy
- 2–7 days
- Free
Programming · Python
Build a Markdown-to-HTML converter
Write a tool that converts headings, lists, links, bold and code blocks from Markdown to HTML.
- Intermediate
- 2–7 days
- Free
Programming · Python
Create a text adventure game engine
Build a game where rooms, items and puzzles are loaded from a data file.
- Easy
- 1–2 weeks
- Free
Programming · JavaScript
Build a typing speed tester
Show a passage, time the user typing it and report words per minute and accuracy.
- Easy
- 2–7 days
- Free
Programming + Pure Mathematics
Write a unit-tested maths library
Publish a small library for fractions, primes and matrices with full tests and docs.
- Intermediate
- 1–2 weeks
- Free
Programming · Java
Develop a chess game for two players
Implement a full chess board with legal move checking, check and checkmate.
- Advanced
- 2–4 weeks
- Free
Programming · Java
Simulate a bank account system
Model accounts, deposits and withdrawals with classes, and keep a transaction history.
- Easy
- 2–7 days
- Free
Programming + EdTech and Study Tools
Write a quiz game that reads questions from a file
Build a quiz program with a question bank in a file, shuffled questions and a final score.
- Easy
- 2–7 days
- Free
Programming · C
Build a student marks manager in C
Store student records in a file, calculate totals and grades, and print a ranked report.
- Easy
- 2–7 days
- Free
Programming + Data
Write a web scraper for public data and analyse it
Collect a table of public information from a site that allows it and analyse the result.
- Intermediate
- 1–2 weeks
- Free
Programming + Psychology
Build a reaction-time tester and analyse the results
Write a program that measures reaction time, then use it to compare conditions such as time of day.
- Easy
- 2–7 days
- Free
Programming · Scratch
Make an interactive story game in Scratch
Create a choose-your-own-adventure story with characters, scenes and choices.
- Beginner
- 1 day
- Free
Programming · Go
Write a command-line expense tracker in Go
Build a fast command-line tool to add expenses, list them and summarise by month and category.
- Intermediate
- 1–2 weeks
- Free
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