If you liked little LittleBigPlanet then you definitely can't go wrong with LittleBigPlanet 2. You might also want to check out the Ratchet and Clank games.
You should specify what type of games you like though, that would make it easier to give recommendations.
try these games:
-call of duty black ops
-call of duty modern warfare 2
-assassins creed 2
-gran turismo 5
-final fantasy 13
-heavy rain
-vanquish
-red dead redemption
-marvel vs capcom 3
-god of war 3
-killzone 3
-infamous
-dead space 1 and 2
-dynasty warriors strikeforce
-dynasty warriors empires
-fallout 3
-fat princess
-pac-man pro championship
-bejeweled 2