You will not jump, now what you do is to change gravity force to gofrom floor to cell in a snap and viceversa.
Using this innovative way, you'll have to go throughout all the level and bypass all dangerous traps on your way to the goal.
Yes, VVVVVV is a really difficult game. Sometimes you may quit and resume the match again to think your strategy and that's great.
Once you finish the game, you'll view the number of times you've been killed and the number will be really high.
In short, VVVVVV is an exceptional platform game you must play. You'll be surprised.