Evolution
Braingle.com
on
Published in Brain Teasers
SHARK
STARK
STARS
SPARS
SPATS
SPOTS
SLOTS
CLOTS
COOTS
COONS
CORNS
CORES
CARES
CAPES
CAPER
PAPER
PIPER
VIPER
WIPER WIPES
WIVES
WAVES
RAVES
RAVEN
RAVEL
REVEL
LEVEL
LEVER
LIVER
LIVES
LIMES
TIMES
TIMER
TIGER
Today's brain teaser courtesy of Braingle.com.