I wouldn't recommend using asteroids or writing because it is hard to get everything spot on
Some jokes to get through the day:
-Did you hear about the restaurant on the moon? Great food, no atmosphere.
-What do you call a fake noodle? An Impasta. Click the i-icon for more
-How many apples grow on a tree? All of them.
-Want to hear a joke about paper? Nevermind it's tearable.
-I just watched a program about beavers. It was the best dam program I've ever seen.
-Why did the coffee file a police report? It got mugged.
-How does a penguin build it's house? Igloos it together.
-Dad, did you get a haircut? No I got them all cut.