Versus vs Versus Achievement in Plants vs. Zombies
Versus vs Versus15
Go on a 5 game winning streak in VS. mode
How to unlock Versus vs Versus
Load up Versus mode with a 2nd controller. Then pause the game with the 2nd controller and click Concede Match. Repeat 5 times in a row. You must click Play again, when the game is finished, otherwise it will reset back to 0.