a. Open the game!
b. Press "Find Game"
c. Pick a server from the big list. (i chose a server called Bigwillyjonathan223)
d. Wait till the next game starts! (if your lucky it hasn't started yet)
e. Now press your spacebar on the bottom of your keyboard. The big button you should have!
Now you should be ready to jump around.

1. Make sure crab game is on.
2. You have to be in a server!

Disclaimer: You have to be alive ?!