The NP ratio tells you how many Neopoints you'll earn for every point you score while playing a game.
For example, if the NP ratio is 100 NP for every 150 game points scored, to earn the maximum 1,000 NP reward for playing, you'd have to score 1,500 points during the game.
On the other hand, if a game's NP ratio is 25 NP for every point scored, you'd only have to earn 40 points in the game to get the full 1,000 NP for playing.
Cooty Wars:
For too long the Cooties have suffered under the oppression of their Mootix overlords. The time has come for them to strike back! Your mission as a Cooty commando is to stop the Mootix paratroopers from reaching the battleground. Wait until the last minute to destroy their parachutes, or these marauding insect hordes will recover and go on to fight your fellow soldiers!