This site’s motto is “butt in chair, hands on keyboard, typing away madly”—and you’ll need to adhere to it if you want to live up to the challenge. You have one week to put all excuses in your sock drawer and write as much as you possibly can. It’s definitely fun—and rewarding.

One of the most well-known writing challenges in the writing community, National Novel Writing Month (November) pushes you to write 50,000 words in 30 days.

Can you write your memoir in only six words? This is a thrilling challenge that encourages you to write sharply and concisely.

If a daily prompt isn’t enough to stuff your writing appetite, check out this site. Get a random story-starter sentence from more than 340 million (yes, you read that correctly) choices. Just one click of a button and you’re on your way.

Looking for inspiration? These daily writing prompts aren’t only fun, but relate to the date (September 5 is National Cheese Pizza Day—who knew?).

Here’s another fun site that creates writing prompts on the spot. The site currently has several options—prompts for right-brained people, for left-brained people, for kids—and is working to add prompts on classic literature, music and more.