A Halloween level for thi
A Halloween level for this game was released shortly after its release, and "weird parts" obtainable in it include a "4 step bouncing xylophone".  This first PSP game to be officially released online in demo format allows players to collect items in a crane mini-game and in one where the eponymous creatures are launched (+) by Chuppas.  Various songs created by Nobuyuki Shimizu for this game include "Doda Doda (*) \- The Snow Has Fallen" and "Etoule Pucoratte", its final song.  The player's house can increase once 15 or 45 Mui Mui are collected.  In a sequel released for the Playstation Network, players command Cocoreccho, the titular butterfly, and have to retrieve the title characters who are scattered around the level.  FTP, identify this PSP game which involves tilting the planet to make the eponymous ball-like character roll through the world.
A Halloween level for this game was released shortly after its release, and "weird parts" obtainable in it include a "4 step bouncing xylophone".  
{LocoRoco} (or {RokoRoko}) [3]