Ludus:
These types of games are linear and the outcome is easy to predict, games such as Pac-Man travelling around the map eating dots and avoiding ghosts or dying and trying again and Dynasty Warriors a hack and slash game where you aim to conquer all the regions and march under one banner.
Paidia:
Paidia is the term given to games with no clear outcome, they are played for the sheer enjoyment of seting and meeting there own goals and doing something new. a good example of this is Minecraft, you set your own goals to create whatever you want to create, there is no limit.