Click anywhere in the grey area to detonate your Green Atom. Any Red Atoms coming in contact will react and expand. The more Atoms you expand the better you'll score!
But be warned Red Atoms only have a limited half-life, so act fast before they disappear!
Music by Epitaph64 (validopinion.wordpress.com)
Sound Effects by freeSFX (freesfx.co.uk)
EDIT: Wow, Daily 4th Place!! Thanks for the support everyone!