Critters roamed Earth, thundering amiably, chomping edible outgrowths, until suddenly:
Monstrous overflowing volcanoes inundated nature’s greenery!
Greenery
Generally, Rose envisions everything negatively, especially reckless youth.
reckless
Rampantly eager, careening kayaks like eldritch simple scamps.
eldritch
Enforced, long, daily rituals invite terse caustic humor.
rituals
Resentful ire torments us after love stops.
torments
Totally over Ramona, my ego now thrashes silently.
thrashes
The hard rock assaults sensitive hearers each Saturday.
sensitive
So even new submarines in the icy vortex erode.
parlor
Oops, I see the word has to come from the new sentence.
vortex
Vocals outweigh really terrible english xylophones
diver
Don’t interfere, very egocentric ruffian
ruffian
Damnation! I’ve vastly exceeded rotation!
Oops – quiltguy154 beat me to it.
Rotation usually forces felons into amazing nattering.
Nattering
Not exactly, x-ray vision; the game started out allowing any new word, but many posters have taken theirs from their sentence, and it seems to be catching on as a new rule. These games do tend to mutate. 
Now another twit that eminates Republican is Newt Gingrich.
Gingrich
Giraffes? It’s not good, running into crazed hunters.
giraffes
Generally I rant, and finally, furiously emit smoke.
smoke
Smoldering minions overturn kings easily.
minions
Maybe It’s Nothing Inspiring, Or Nothing Short of miraculous.
MARLINS
Maybe a real lady inspires noble sensibilities.
noble
Nobility overcomes brutish leering ogres.
overcomes
overcoming veritable extremist revolutions can overall make extremeism suck
extremist