BuzzFeed Staff

Tech

It's actually Portal Prelude, a side-scrolling Portal fan game similar to this <a href="http://www.kongregate.com/games/Dragy/portal-the-flash-version" target="_blank">Flash version</a>. Special calc version bonus: less motion sickness!

It's actually Portal Prelude, a side-scrolling Portal fan game similar to this Flash version. Special calc version bonus: less motion sickness!

Now You Can Play Portal On Your Graphing Calculator

About BuzzFeed Community

Community Brand Guidelines

BuzzFeed Community

Sorry, this content is no longer supported.

BuzzFeed Community Guidelines

BuzzFeed Community Leaderboard

BuzzFeed News has breaking stories and original reporting on politics, world news, social media, viral trends, health, science, technology, entertainment, and LGBTQ issues.

All the best animals on the internet. The snuggle is real.

BuzzFeed has breaking news, vital journalism, quizzes, videos, celeb news, Tasty food videos, recipes, DIY hacks, and all the trending buzz you’ll want to share with your friends. Copyright BuzzFeed, Inc. All rights reserved.

BuzzFeed News | Breaking News | Original Reporting | News Analysis

Animal Pictures and Videos - Adorably from BuzzFeed

Name

Thanks for subscribing!

Stay up to date with our latest BuzzFeed video. Enter your email to subscribe!

Oops! Upload an image or add text to submit.

BuzzFeed has the hottest, most social content on the web. We feature breaking buzz and the kinds of things you'd want to pass along to your friends.

Now You Can Play Portal On Your Graphing Calculator

View this video on YouTube