UFC 2009 Undisputed
30 Achievements
1,000
Xbox 360
That was easy!
Win in under 20 seconds of the 1st round against a COM UFC Fighter in Exhibition or Career Mode.
20
How to unlock the That was easy! achievement in UFC 2009 Undisputed - Definitive Guide
Remember to use at the beginning of the match to close the space between you and your opponent. It may take a few attempts but eventually, as with the Flash KO achievement, you'll get lucky and most likely knock him out.