This is Lecture 2 of CS50 2D — learn how to build a classic Breakout game with sprite sheets, collision detection, procedural level generation, particle systems, game states, and persistent high scores.
To take the course for a certificate, register at http://cs50.edx.org/2d.
https://youtu.be/TgZBoMRKSzk
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CS50
May 11, 2026, 11:45 AM
CS50 is launching a new-and-improved course — CS50’s Introduction to 2D Game Development, or simply CS50 2D!
This course, previously known as CS50 Games, picks up where CS50x leaves off and lets you explore the design and mechanics of such childhood games as Pong, Flappy Bird, Breakout, Match 3, Super Mario Bros., Legend of Zelda, Angry Birds, and Pokémon in a quest to understand how video games more broadly are implemented.
The lectures will air on YouTube every day, starting on Tuesday, April 21, at 9am EDT. To take the course for a certificate, register at http://cs50.edx.org/2d. And for now — a word of introduction from Professor David J. Malan and CS50’s own Colton Ogden!
https://youtu.be/4oaN94oOdTM
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CS50
May 11, 2026, 11:45 AM
This is CS50 2D’s very first lecture on Pong — learn 2D game development fundamentals using Lua and Love2D, covering game loops, input, collision, OOP, states, and sound integration.
To take the course for a certificate, register at http://cs50.edx.org/2d.
https://youtu.be/MY2y3dDwgMk
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CS50
May 11, 2026, 11:45 AM
This is Lecture 1 of CS50 2D — learn how to recreate the iconic Flappy Bird game using sprites, parallax scrolling, procedural pipe generation, collision detection, state machines, and input handling.
To take the course for a certificate, register at http://cs50.edx.org/2d.
https://youtu.be/2rboPz0plD8
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CS50
May 11, 2026, 11:45 AM
📷 Photo
Congrats to everyone who took part in this year’s CS50x Puzzle Day. 🧩 Here are the stats!
Check out the solutions and memes at http://cs50.ly/puzzle-day-2026!
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CS50
May 11, 2026, 11:45 AM
📷 Photo
If you find yourself in Las Vegas on Monday, April 20, join us for an “engaging, interactive, and entertaining discussion about how Professor David J. Malan and his team have created and are using AI as a personal tutor for his students.” 🦆
Tickets available at https://www.eventbrite.com/e/embracing-ai-lecture-in-las-vegas-with-prof-david-j-malan-tickets-1987145313124.
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CS50
May 11, 2026, 11:45 AM
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Join us on Monday, April 13, at 12:30pm EDT for live Office Hours with Professor David J. Malan and CS50’s own Brian Yu to ask questions about Computer Science, Artificial Intelligence, CS50 itself, and beyond. Register for Zoom at http://cs50.ly/officehours.
4,430
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CS50
May 11, 2026, 11:45 AM
Missed the live https://youtu.be/FqB_4QY6x6g about the present and the future of editing documents, and the role AI plays in it, led by Nick Bernal of http://superdoc.dev/? Not to worry - watch it now on YouTube.
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May 11, 2026, 11:45 AM
[poll]
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May 11, 2026, 11:45 AM
📷 Photo
What was your favorite lecture from CS50 for Business? Take the poll below. 👇
The entire course is available on YouTube for free at http://cs50.ly/business. To take this course for a certificate, register at http://cs50.edx.org/business.
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CS50
Apr 25, 2026, 06:18 AM
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Have you started CS50 for Business yet? This newest course from CS50 covers a broad range of topics, from algorithms and data structures to artificial intelligence (AI), perfect for decision-makers of today and tomorrow.
The entire course is available on YouTube for free at http://cs50.ly/business. To take this course for a certificate, register at http://cs50.edx.org/business.
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CS50
Apr 25, 2026, 06:18 AM
📷 Photo
This Friday, April 3, join CS50 for a Tech Talk on why you’re still better than AI at editing documents, led by Nick Bernal of http://SuperDoc.dev/, starting at 1pm EDT.
Register for Zoom at https://cs50.zoom.us/meeting/register/ZTy-qG5YSOKfXLbaSjpYeg.
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CS50
Apr 25, 2026, 06:18 AM
📷 Photo
Can you solve ‘Books’ from CS50x Puzzle Day 2024? See http://cs50.ly/puzzle-day-2024 for the solution.
Register for this year’s Puzzle Day at http://cs50.ly/register.
4,170
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CS50
Apr 25, 2026, 06:18 AM
📷 Photo
Can you solve ‘BananAnagrams’ from last year’s CS50x Puzzle Day? For an interactive spreadsheet version of the puzzle, visit http://tinyurl.com/banananagrams. See http://cs50.ly/puzzle-day-2025 for the solution.
Register for this year’s Puzzle Day at http://cs50.ly/register.
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CS50
Apr 25, 2026, 06:18 AM
📷 Photo
Can you solve ‘Around the World’ from last year’s Puzzle Day? See http://cs50.ly/puzzle-day-2025 for the solution.
Register for this year’s Puzzle Day at http://cs50.ly/register.
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