This achievement can be done in Quick Match: Player (Does not have to be ranked). The best way to get this are the following settings:
GameType: Wall
Scoring: Points
End: 1st to 1 Point
Time: 30 Seconds
Map: (doesn't matter, but limit it, to Suburbia only for example)
This achievement will take no more then 1 minute, and you will get it on your way to 100 games (of course).