The More the Not So Much Merriblobs

Collect the green blobs, avoid the red blobs. The end. Oh right, and click the inner box to start moving the white blob around. Music by Gee - https://www.youtube.com/channel/UC-SSgYlhmxTTh8J2L58bV3g and by OurMusicBox - https://www.youtube.com/channel/UCEXX5i6961zc4-L8thTctBg