A newton (a measure of force) N is a flash game available for download or online play.
visit this website to play
In the download version of N there are 100 episodes each of which has five (5) levels. User made levels can be downloaded in addition to the 500.
SHIFT to jump, and LEFT and RIGHT to move.
Gameplay comes in many varieties such as action, problem solving, skill, races, puzzles, and more.