My #TweetTweetJam entry, a game made in Pico-8 using 560 characters or less, is:

SHMEAKOUT

THE OBJECT OF THE GAME:

• Keep the ball from falling past your paddle
• Hit eyes to get extra points, but they will change the trajectory of the ball
• See how long you can last

THE CONTROLS:

• Press Left or Right to move your face-paddle
• Hit the Reset button to restart the game

I want to see your best Distance and Times.  Screenshot your score and share with the hashtag #BreakEmUp