wich of these games should i get???

i bought warhawk and with it, came a 10 SGD playstation card! in the singaporean playstation network, till february 14, these games :

LocoRoco! Buu Buu Cocoreccho

Super Rub a Dub

Bacterius

Go Sports! Ski

are seeying there price drop to 8.30 SGD!
what a chance! wich game should i get? and i have another question; can u play 2 players in locoroco! buu buu cocoreccho?

bowling is cool