Please note, not all challenges are submitted on Devpost. If you don't see the challenge you're submitting for here, check the live site and your inbox to see where you should claim your points. 

What is Local Hack Day: Build 2022?

Local Hack Day: Build is your opportunity to spend a week focused on creating and developing the projects you’ve always wanted to tackle. In accepting this quest, you are in for an adventure featuring workshops, fun mini-events, challenges, panels, and more. These will help you to earn experience points no matter what level of hacking you are at, whether it’s writing your first lines of code or creating a multi-faceted project.

We will be bringing back all of your favorite features from Local Hack Day Learn, Build, and Share 2021 like challenges, live technical sessions with MLHers, mini-events galore, and some cool content from our partners! Here’s a sneak peek:

  • Beginner-friendly workshops

  • Challenges for all difficulty levels and all topics such as design, social, technical, entrepreneurial

  • Hacker-run guilds

  • Talks from friends of MLH and our partners

  • Live sessions run by MLHers

  • And maybe an appearance from Totally Not Ryan (TNR)

Can I get swag at this event?

Yes, of course! LHD: Build will feature some amazing 2022 Hackathon Season swag…you’ll have to participate to find out exactly what you’re getting! 

What is a Guild? How can I be a part of it?

One of the best parts of our community is that it allows people to meet and make connections with others, regardless of where you live. guilds are smaller communities within Major League Hacking. Whether you come in with a guild or not, you won’t be hacking alone. 

Who organized Local Hack Day?

Local Hack Day is organized by Major League Hacking (MLH). It is our mission to empower hackers worldwide by providing them with the tools, resources, and opportunities they need to succeed. 


Your challenge submission must be completed within the submission period.

When relevent, your code must be available in some sort of public repository. 

If you're continuing work on an old project, you MUST specify in your Devpost what was worked on 1) before this day one of Local Hack Day: Build 2022 and 2) during day day of Local Hack Day: Build 2022.  

Hackathon Sponsors


Build a snake game

Miss playing this classic arcade game? Create your own snake game. Here’s some inspiration from google maps. Submit on our Day 6 Devpost.

Create a tic tac toe app

Recreate the classic game - tic tac toe. If you’re new to coding, we recommend keeping it simple. If you’ve been hacking a while, consider challenging yourself more by attempting it in a new language or without googling any questions. Submit your hack on our Day 6 Devpost!

Write a script to find pi to the Nth digit

Hope you’re hungry because we’re going to find pie today. Oh, sorry - we mean pi. Write code to find pi to specific digit. Share on the Day 6 devpost.

Build with an API

Using APIs opens a ton of functionality you can add to any hack. For this challenge, we just want you to connect any two APIs together, utilize an API, in a project, or even just research up about APIs. You’ll be the api-le of my eye if you submit on our Day 6 Devpost.

Create a Useless Invention Hack

Create a hack for a totally useless or silly invention. The more useless and silly, the better. Head over to Devpost to submit it on our Day 6 page.

Build your own mp3 player

Ready to play some tunes? Create your own version of an mp3 player - you could even include features for changing volume, pitch, or playback speed of the music! It’ll be music to our ears if you submit on the Day 6 Devpost.

Build a Discourse Forum using Linode

Creating a space to discuss and exchange ideas is a great way to start and grow your own community. Sign up for $100 worth of Linode credits [] and watch this tutorial [ ] to learn how to build and deploy your very own Discourse Forum; a place for you and your friends to gather. Submit your project to our day-of Devpost to earn those points!

Deepgram Mashup Challenge

Build better voice applications with faster, more accurate transcription with our Speech Recognition API. Build a project which uses both Deepgram's API and another, non-Deepgram API. Sign up at Remember to submit your challenge on our Day of Devpost

Build your very own Fitness Tracker using MATLAB

It’s that time of the year again and folks are gearing up for fitness related New Year’s resolutions. What better time to learn how to build your own fitness tracker using MATLAB. Follow along with this tutorial and submit your finished project to our day-of Devpost!

Host a static website using Linode object storage

Storage buckets aren’t just a great way to store your data in the cloud, you can also use them as a simple solution to hosting your content on the internet! Check out Linode’s video tutorial and host your own website using Linode object storage! Submit your project and URL to our day-of Devpost. 

Deepgram's Accessibility Challenge

Build better voice applications with faster, more accurate transcription with our Speech Recognition API. To complete this challenge, build a project which transcribes audio or video from any online platform (other than YouTube). Sign up and check out this youtube video. Submit to Devpost.

Devpost Achievements

Submitting to this hackathon could earn you:


Major League Hacking

Major League Hacking

Judging Criteria

  • None
    Local Hack Day: Build is about celebrating our love for learning. Instead of judging projects and awarding prizes, we are giving out points to hackers who complete these challenges.

Questions? Email the hackathon manager

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