We know that databases can be confusing, so we want you to get your feet wet with them here at LHD: Build. If you're not sure where to start, try 30 days of free usage from CockroachDB. Make sure to submit on our Weekend Devpost!

We know that many of you have been inspired by Jack's love for Blahaj this week at LHD. We want to see you create something that protects the environment and animals (sharks or not). Submit on our Weekend Devpost to earn your points!

You already shared a meal with folks in your Guild, so we’re challenging you to meet some folks in other Guilds. Share a meal, a cup of coffee, or just spend some time chatting. Send us a screenshot of your video call on the Weekend Challenges Form.

We want you to submit a 2 minute long “demo” video of your favorite hack or hacks you made this week. Your video should show us a demo of what you built while you explain why you built it. We might play some of our favorite demos at our Closing Ceremony. Submit on our Weekend Devpost.

Guild Leaders, we’re asking you (or Guild Members you’ve allowed) to host events this weekend. You’re welcome to host technical content or mini-events. You and your Guild Member will get points for up to 4 events you host. To earn your points, email localhackday@mlh.io a .csv with email in Column A and a unique event name in Column B. All your events should be in one .csv. Check out our Organizer Guide for ideas.

MLH has Season Mascots and your Guild should too! Draw, doodle, or otherwise create a mascot for your Guild. Submit it on our Weekend Challenges Form.

Since we were so impressed with your recreations of Ellie, we want to see you try to take another artistic approach. You drew her in new outfits, so let’s try out a more “physical”version. Recreate Ellie with what you have at home. Maybe you try paper mache, sculpture, play doh, tin foil, or even test out your sewing skills. Send us your recreations on the Weekend Challenges Form.

Ryan and Mary want some book recommendations and for you to take some time away from the computer. Send us a photo or screenshot of what you’re reading and submit it on our Weekend Challenges Form.

We’ve been hacking for like… a week straight. We wanted to make sure we incentivized you taking a break too! Send in a photo or screenshot from a run, walk, or other activity. Make sure you’re staying safe and following local guidelines. Submit on our Weekend Challenges Form.

We heard you loved designing outfits for Ellie the Elephant, so why not try out redesigning one of our older mascots? We’ve got Ada, Bit the Bot, Crypto Chameleon, and Ducky the Debugger for you to choose from. Submit your creation on the Weekend Challenges Form.

We all love hacking, but we’ve all got other passions too. Whether that’s Boba, Corgis, Sharks, Dinos, or something else entirely, we want to see you merge your passions. Create a hackathon brand for your passion (ex: CorgiHacks)! Submit screenshots on our Weekend Challenges Form.

Totally Not Ryan needs a lot of help as you’ve seen. He’s all about earning points and participating in LHD: Build. Create or do something to help him out. Make a video of yourself teaching him how to check in, create a points dashboard or visualization, a reminder bot to make sure you’re earning points, or something else you think he’d love. Submit on our Weekend Devpost to earn yourself some points.

Secure sign-ins are an important part of many hacks. We want you to implement an authentication system into an existing hack or just create the system for future use! Make sure you’re signed into Devpost before you submit on the Weekend Devpost.

Try incorporating Bootstrap into a website - either one you’ve already created or spin up a new one. Show it to us on the Weekend Devpost.

Meet up with another hacker to have a paired programming session. Feel free to work on the same challenge and submit it together! Send a screenshot as you work together and send it to our Weekend Challenges Form. Make sure everyone who works together submits on the form so we can count your points accurately.

We know a ton of you have been using GitHub this week, and we want to see what your activity has looked like during Local Hack Day. Send us a screenshot on our Weekend Challenges Form.

Try incorporating GPS or any map technology into a new project - or even add it into an existing one. We don’t want you to get lost so we’ve linked the Weekend Devpost here.

Ryan loves Flask and wants you to love Flask too. If you’ve never used Flask before, we’ve got a Starter Kit to get you going. Either way, we want you to create anything with Flask as your framework. Submit on our Weekend Devpost.

Fintech is growing quickly, and we know hackers are excited to explore this space. Build any finance application and show it to us on the Weekend Devpost. If could help you track your expenses, analyze stock prices, or help you find the best deals online.

We’ve seen a ton of great social media activity during LHD: Build, so we’re challenging you to take that a step further. Try using a Social Media API like Facebook or Twitter. Share it with us over on our Weekend Devpost.

Use computer vision or image recognition to complete this challenge. Maybe you want to recognize common objects and read them aloud or analyze video to provide the watcher with extra context. Whatever you build, submit it on our Weekend Devpost.

Fitness applications are some of the most popular projects at hackathons. Maybe use the Strava API to track your miles, Garmin or FitBit API to analyze activity, or anything else you can think of. Run on over to the Weekend Devpost to show it off.

We challenged you earlier this week to use a Music API. We’re back with another music challenge. Emulate instruments, create something that generates music, or use a different music API. We’ll be singing your praises if you submit on the Weekend Devpost.

Local Hack Day: Build is in part powered by some helpful Discord bots. We’d love to see you create your own Discord/Slack Bot or any other chat bot you’d like. Tell us all about it on the Weekend Devpost.

We’ve had a blast interacting with y’all on Twitch all week long. Make a Twitch bot or extension to improve your experience or other hackers. Build whatever seems interesting to you! Share with us on our Weekend Devpost.

Try creating a Battlesnake and competing against other hackers! Send it to your guildmates to play together or post it in our general-chat channel. Submit your Battlesnake on our Weekend Devpost.

We know AI is one of the most popular topics to explore, and we want to challenge you to spend some time this weekend learning more about it. If you’re already familiar, take some time to dive deeper. If you’re new to the topic, follow a tutorial or just spend some time watching videos or reading guides. Tell us what you learned on the Weekend Devpost.

We want you to show the world how much fun you’re having while you hack this weekend! Take a photo with a teammate, post it using #LocalHackDay and @mlhacks, and send us a link on the Weekend Challenges Form to score these points.

We know you’ve worked hard this week, and we want to brag about you. Head to Instagram or Twitter and post something you made at Local Hack Day: Build. Be sure to tag @mlhacks, #LocalHackDay, and send us a link on our Weekend Challenges Form so we can hype you up!

If you’ve been attending hackathons this season, you’ve likely seen this mini event. Come ready to listen to Bob’s relaxing voice and recreate a masterpiece in MS Paint. You’ll get a point for checking into the mini event as well as a point for sharing your masterpiece out on social media and tagging us with #localhackday and @mlhacks and sending a link or photo to the Day 4 Form. You can find the event page on the schedule here.

Are you excited to attend a hackathon this weekend? Tweet at them to let them know. Make sure to use #LocalHackDay and link us to your tweet here. Send us the link on the Day 4 Form!

Ever feel overwhelmed by the amount of tasks you need to complete? Having your own to do list application can help organize your tasks and increase your productivity! Create your own and make sure you add a to-do to submit it on the Day 4 Devpost.

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As I’m sure you know, keeping your passwords safe is extremely important. Websites help to keep our passwords safe by encrypting them before they save them. We want to challenge you to write code to encrypt a password on your own! Submit your code on the Day 4 Devpost.

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If you attended one of the MLH Localhost workshops we ran this week, you received some next steps to continue exploring the topic. Complete any of the next steps (or make up your own) and submit on the Day 4 Devpost. Remember - if you didn’t attend a workshop yet this week, it’s not too late! We have workshops happening today!

Have you ever used the Sendgrid email API? Use it and you’ll be ready to automate sending emails. Show off how you used it on our Day 4 Devpost!

Interested in Big Data? Blockchain? Artificial Intelligence? Explore any of these or any other “buzzword.” You can watch tutorials, follow guides, or build projects - it’s totally up to you and as long as you learn something about buzzword topics, it counts! Head to Day 4 Devpost to tell us about what you learned - the “project” you submit doesn’t need to be code here - it could just be a few paragraphs about what you learned.

If you’re feeling artistic, we’ve got your back today. Our 2021 Hackathon Season mascot is looking for a new outfit! Design one for her, and send it in to our team. Submit it on Day 3 Form and don’t forget to share it with the community on social media and tag us @mlhacks. Our favorite designs will earn themselves some bonus points!

Have you ever played !Light at an MLH Hackathon? This will have a bit of a twist on it. Join us for this fun mini event - no coding needed. Sign up by finding the event on Tuesday & Wednesday on our main Build page. Be sure to check in for your points. Join from a laptop or phone, as you’ll need to be in your kitchen for this activity.

Using Twilio opens a ton of opportunities for applications to send messages. Try building anything with a Twilio API and submit on Day 3 Devpost!

Data science is one of the fastest growing fields in tech. There are so many different ways to visualize data. It can be as simple as a graph or as complex as a piece of art. Show off your visualization on the Day 3 Devpost when you’re finished.

This is a classic problem in computer science for a reason. If you’re new to hacking, keep it simple! If you’re one of our more experienced hackers, try this in a new language or without leveraging search engines. If you’re looking for a specific list to sort, try sorting this list of hackathons alphabetically and then try sorting by their dates. Submit on the Day 3 Devpost!

Teamwork makes the dream work! Tackle one of these daily challenges or a weeklong challenge along with a member of your Guild. Add each other as teammates on Devpost and you’ll earn these points - plus the points from the challenge you submitted - it’s a real win-win situation.

A quick way to add an extra layer of sophistication to any project is creating a logo. Pick one of the things you’ve built this week (or something you’ve built before) and make a logo for it! Show it off on the Day 3 Devpost to earn points.

Whether or not you have hardware at home, we want you to explore a hardware hack. Check out an emulator or use hardware you have around your house. Don’t forget to submit on Day 3 Devpost.

Try tackling the creation of a battlesnake. Send it to your guildmates to play together. Submit your battlesnake on our Day 2 Devpost!

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 2 Devpost!

You might listen to music while hacking, but have you built anything for your music? Try building with a music API (Spotify’s got great documentation) and submit your hack on our Day 2 Devpost!

One of our favorite hacks to see built are recipe databases, smart refrigerators, and grocery list creators. We think these projects are common to see at hackathons because they’re genuinely useful for the world. Create one of these, or any other hack that works to reduce food waste, and submit your hack on our Day 2 Devpost!

Ever been frustrated with how a website was laid out? We want you to pick any website and imagine a new layout for it. You can simply draw it out, wireframe it, or even write the HTML/CSS if you’d like. Submit your hack on our Day 2 Devpost!

Using Sentiment analysis can come in handy for many types of hacks from understanding how customers view a product to determining effective ways of communicating with your audience. Explore this topic and Submit your hack on our Day 2 Devpost!

Many languages contain classes that allow for the functionality of a random number generator, but we want you to create your own method that does this. Don’t pick a random Devpost to submit to, submit your hack on our Day 2 Devpost!

Ever found yourself without internet access and became way too invested in the Chrome dinosaur game? Us too. Today, we’re challenging you to get the highest score you can. Navigate to chrome://dino/ in Google Chrome and be sure to screenshot your highest score and submit a screenshot on our Day 2 Form to earn your points!

We want you to get to know someone in your Guild. Share a meal (or a coffee break), virtually! Submit a screenshot of you and your guildmate to earn points and earn extra points by sharing out on social media and tagging us with #localhackday and @mlhacks. Submit a screenshot on our Day 2 Form to earn your points!

Did you know we have Hackathon Starter Kits to help you get up and hacking with new tools as quickly as possible? Pick one out, follow the tutorial, and submit your hack on our Day 1 Devpost!

Maintaining a personal GitHub page is a great landing page to show off all the amazing hacks you work on. Create your own or update your existing page. Submit your hack on our Day 1 Devpost!

It’s our first day, and what better way to say hello to the week than saying hello, world in a new language? Write code to say hello, world in any programming language that you’ve never used before. Not sure where to start? There are tons of online tutorials like this one. Submit your hack on our Day 1 Devpost!

Learning how to use version control gives you a ton of flexibility when working on projects, on teams, or even by yourself! To claim these points, submit a screenshot on our Day 1 Challenges Form to earn your points!

It’s our first day, so we’re going to start with an easy challenge. All you’ve got to do to score these points is join your Guild chat and introduce yourself to your Guildmates. Submit a screenshot on our Day 1 Challenges Form to earn your points!

You’re about to build a ton this week, so why not start the week off with a freshly updated GitHub profile? To claim these points, submit a screenshot on our Day 1 Challenges Form to earn your points!

Join us for a special addition of !Light where you’ll attempt to recreate the LHD: Build site without previewing any of the code you’re writing.

MLH picks out a season mascot each year - we’ve had Ada, Bit the Bot, Crypto Chameleon, Ducky the Debugger, and most recently, Ellie the Elephant. Try creating your own mascot - it could be inspired by your personal interest, your experience in the hacker community, or anything else you’d like. Our mascots are alphabetical, but feel free to create one for any letter. Submit your design and screenshots on our Week-Long Form!

Use #LocalHackDay and tag @mlhacks on your social media posts this week to earn points! This challenge is repeatable once daily on Twitter, Instagram, Facebook, and LinkedIn. Submit a screenshot on our Week-long Challenges Form!

Head to Twitch, YouTube, or anywhere else and livestream yourself completing any one of our Daily or Week-long Challenges. Be sure to use the hashtag #LocalHackDay! This challenge is repeatable once daily. Submit a screenshot on our Week-long Challenges Form

First things first, we want to get you registered! Check to make sure you’re signed up and checked in to earn yourself your first points. It's as easy as that!

Join us on Discord! Submit a screenshot of your introduction message (posted to #introduce-yourself) on our Week-long Challenges Form and you’ve secured these points. If you’re not familiar with Discord or can’t see #introduce-yourself, make sure to follow the steps in #🚦-get-started!

After registering, you’ll need to provide us with a bit more information like your preferred display name for our hacker leaderboard and your Discord handle. We’ll use the information you provide here to track and award you points! Fill it out now!

Head to hackp.ac/Address to make sure we have an updated address so we can send you swag! If you’ve submitted before, you don’t need to submit again! Any LHD: Build participants with an address submitted to us will earn a point!

We want you to join a Community-Led Guild this week! These are a great place to meet other hackers, and we’ll have challenges you can only complete with the help of your Guildmates. Head to the #lhd-build-looking-for-guild or lhd-build-join-my-guild in our Discord to find your hacker family. Then complete hackp.ac/JoinAGuild!

Apply to be a MLH Fellow, where you can spend 12-weeks remotely leveling up your skills & building out your portfolio under the guidance of an expert mentor. If you’ve applied to the Fellowship previously, you’ll earn points automatically. If you haven’t applied yet, apply this week to earn points!

Check into any of our Live Sessions going on this week. MLHers will be completing LHD Challenges live, so you’ll be able to follow along with them. You’ll earn a point for checking into the session itself, and an additional point for completing the challenge! Check the schedule here!

Check in to any of our Mini-Events going on this week. You’ll earn a point for checking into the session itself, and some mini-events will have bonus points for participating. Find the schedule here!

We won’t have daily challenges for you Jan 15th - Jan 17th. We want you to attend one of our LHD: Build Partner Events instead. You’ll earn points for Registering, Checking In, and Submitting a Project. Pick out one on this page below under "Member Event Partners"! We’ll work with organizers to get Registration, Check In, and Submission data, so just use the same email you used for LHD: Build!

Check into any of our Localhost workshops going on this week. You can find the schedule on our LHD Build website. You’ll earn a point for checking into the workshop itself, and an additional point for completing the quiz at the end of the presentation.

Think about the tasks you do on a daily basis. Is there anything in there you can automate? Social media posts? Sorting your inbox? Sending out the zoom invite for the family meeting? Pick one, automate it, and submit your hack on our Week-Long Devpost!

We want you to build a simulator for your favorite game. Whether you like board games, card games, sports, video games, or anything in between - we’d love to see a hack that lets you or helps you play this game. Submit your hack on our Week-Long Devpost! Bonus point if you play your game with another hacker (submit a screenshot on our Week-long Challenges Form!).

Hacks are the coolest gifts this season so make one for someone in your life! Maybe an app to keep track of D&D campaigns or a browser extension to keep track of when their plants need to be watered. Submit your hack on our Week-Long Devpost! Bonus points if you share a reaction from your recipient on social media with the hashtag #LocalHackDay (submit your reaction on our Week-long Challenges Form

The hacker community is incredibly diverse, so we’d love to see you create something to aid communication around the world. Build an application to help translate between languages - you could translate sign language or spoken languages! Submit your hack on our Week-Long Devpost!

Feeling inspired by Beth Harmon? Want to really put some of your chess and hacking skills to the test? Try building a working chess game. Make sure to submit your hack on our Week-Long Devpost so we can check(mate) your project out afterward.

Each day, we’ll have a page where you can check in to earn a point. You’ll find our Daily Challenges and Live Sessions there! Remember, if you check in each day, you’ll earn yourself a set of sweet bonus hexagons stickers! You can find all of these links on the main Build event page.

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. Submit your hack on our Week-Long Devpost!

New year, new hack! Was your New Year's resolution to hack more? If so, you’re already on the right track. No matter what your resolutions are, we want you to create a project that can help you achieve them. Submit your hack on our Week-Long Devpost!

Calling all artists and designers! For this challenge, we want you to imagine a fictional company and create a branding concept for it. You can make this as detailed or simple as you’d like. You could make logos, flyers, a website mockup, social posts, or anything else you need your fictional company might use! Submit your work on our Week-Long Devpost!

Whether you’re tackling budgeting for college students or financial modeling for stock markets, we want to see you create something inspired by finance. This can be as simple as looking at data from one or two stocks, or as complex as a holistic view of someone’s finances. Submit your hack on our Week-Long Devpost!

There is so much innovation happening in the medical world, and hackers are always coming up with new ideas to improve medical experiences. You could create a smart pill dispenser or an app that helps with a medical diagnosis. Don’t let us limit you though. Submit your hack on our Week-Long Devpost!

Create an application that lets a group of listeners send songs to queue for everyone. You can do this through any platform you’d like. Make sure to submit your hack on our Week-Long Devpost, and get your dancing shoes on.

MLH picks out a season mascot each year - we’ve had Ada, Bit the Bot, Crypto Chameleon, Ducky the Debugger, and most recently, Ellie the Elephant. Try creating your own mascot - it could be inspired by your personal interest, your experience in the hacker community, or anything else you’d like. Our mascots are alphabetical, but feel free to create one for any letter. Submit your design and screenshots on our Week-Long Form!

We know hackers always want to learn web scraping at hackathons so now's your chance. You can watch tutorials, follow guides, or build something yourself. As long as you learn something about web scraping, it counts! Submit your hack on our Week-Long Devpost! Make sure to tell us about what you learned - the “project” can even be code from a tutorial you followed!

MLH has a thriving social media presence where we share information for hackers. You can follow us on Instagram, Twitter, Facebook, or LinkedIn for a point each! Send us a screenshot after you follow here.

Head to Twitch, YouTube, or anywhere else and livestream yourself completing any one of our Daily or Week-long Challenges. Be sure to use the hashtag #LocalHackDay! This challenge is repeatable once daily. Submit a screenshot on our Week-long Challenges Form

Use #LocalHackDay and tag @mlhacks on your social media posts this week to earn points! This challenge is repeatable once daily on Twitter, Instagram, Facebook, and LinkedIn. Submit a screenshot on our Week-long Challenges Form!

In addition to the amazing community organized events we work with (Member Events), MLH hosts a digital hackathon right on the MLH Community Discord every weekend. Any hackers signed up for an upcoming Hosted by MLH event will earn a point per event they’re registered for automatically! You can find them here!

If you enjoyed this event or Local Hack Day: Learn, you will love Local Hack Day: Share. Make sure to sign up for the third event in our Local Hack Day series happening at the end of March. Sign up now!

Did you know MLH hosts Member Event Hackathons each weekend? We want to make sure that you always have a space to hack even after LHD: Build ends. Make sure the event you sign up for starts after January 20th and is listed on mlh.io/events. To earn your points, submit a screenshot of your registration confirmation on our Week-long Challenges Form!

MLH sends out a hacker newsletter every two weeks to let you know about awesome events, upcoming prize competitions, resources, and more! Sign up to make sure you are in the know. Use the same email you used for LHD: Build, and we’ll award you your points automatically.

What if your garbage can could sort your recycling and compost out for you? Build a project that uses computer vision to accomplish a task. Maybe your hack analyzes garbage and sorts it into its respective kind. Submit your hack on our Week-Long Devpost!

Whether this is your first hacking event or your hundredth, you have valuable experiences to share with the hacker community. Write a blog post about your time in the hacker community and publish on any medium you’d like and send it to us on our Week-long Challenges Form!

One of the best ways to share what you’ve learned this week is by posting. You could create a tutorial, share something you’ve built, or write about what you’ve been up to at Local Hack Day: Build. Head to Dev.to to publish, use the tags #MLH, #MajorLeagueHacking, and #LocalHackDay then show it to us on the Week-long Challenges Form.